CN112778038A - Banana nutrition formula and formula using method - Google Patents
Banana nutrition formula and formula using method Download PDFInfo
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Abstract
The invention discloses a banana nutrition formula which comprises 8 leaf fertilizers, 8-12 leaf fertilizers, 12-16 leaf fertilizers, 16-20 leaf fertilizers, 20-24 leaf fertilizers, 24-28 leaf fertilizers, 28-32 leaf fertilizers, a bud period fertilizer, a young fruit period fertilizer and a swelling period fertilizer. On the basis of providing a nutrition formula, the invention also provides a use method of the formula, the nutrition requirements of each stage of the bananas are balanced through nutrition regulation, the fertilizer investment is reduced, and the yield, the quality and the economic benefit of the bananas are improved.
Description
Technical Field
The invention relates to the field of agriculture, in particular to a banana nutrition formula and a formula using method.
Background
Bananas, which are native to tropical regions of Asia, plants of Musa genus of Musaceae family, fruits with the largest trade quantity of fresh fruits in the world, and the fourth largest fruit in China, are rich in various nutrient substances such as protein, sugar, vitamin A and the like. The main production countries are Brazil, Philippines, Goss Darika, China, Ecuador and the like, and the main planting areas of China are distributed in Guangdong, Hainan, Guangxi, Fujian, Yunnan and the like. The method is characterized in that the banana is planted in a tropical region in Hainan, has rich hydrothermal conditions, provides good natural climate conditions for the growth of bananas, and the current main cultivated varieties of bananas in Hainan comprise Brazil bananas, Bao island bananas, Nantian yellow, pink bananas, banana No. 9 and the like. Reasonable cultivation management and balanced fertilization are important guarantees for improving yield and quality, and the banana water-fertilizer integrated package nutrition formula and the fertilization method relate to a plurality of factors, such as banana growth and development characteristics, varieties, soil nutrient supply quantity, climatic conditions, branch and leaf growth quantity, fertilizer utilization rate and the like. The banana has the advantages of large fertilizer and water demand, and the application of the water-fertilizer integrated technology, and has the effects of saving water and fertilizer, saving time and labor, improving quality and increasing efficiency. Different from places such as Guangxi, Guangdong, Yunnan and Fujian, the planting of the bananas in Hainan is mainly carried out in out-of-season, the latitude is relatively lower, the illumination is sufficient, and the water and fertilizer demand characteristics of the bananas in Hainan are obviously different from those in other areas.
Bananas are typical large-water large-fertilizer crops, and at present, the fertilization management of bananas in Hainan has the disadvantages of serious waste, low fertilizer nutrient utilization rate and high surplus of soil nutrients due to the long-term excessive application of rich water. Meanwhile, the problems of soil hardening, soil fertility reduction, environmental pollution and the like are caused, the stress resistance and disease resistance are weak, and the yield and the quality are difficult to improve. Chinese patent CN104725096A provides a compound fertilizer for different growth periods of bananas, which is mainly prepared from urea, calcium magnesium phosphate fertilizer, potassium sulfate and magnesium sulfate fertilizer. CN103404284A provides a banana fertilizing method, according to the growth state and fertilizer requirement characteristics of bananas, organic fertilizers rich in nutrient elements such as N, P, K, Ca, Mg and the like are adopted at different stages to fertilize bananas with different amounts, nutrient formulas at different stages of the whole growth period of bananas cannot be provided in the patents, and the provided fertilizers do not have the requirement of water and fertilizer integration and cannot be used in a water and fertilizer integrated irrigation and fertilization system. A water and fertilizer integrated set nutrition formula and a fertilizing method thereof determined according to the nutrient requirement rule of different growth and development stages of the full growth cycle of bananas are not shown.
Disclosure of Invention
Aiming at the defects, the invention provides a nutritional formula for 10 growth stages of bananas, a formula using method and a formula using method, so that the requirements of the bananas on nutrients in each stage are met, the fertilizer using amount is reduced, the fertilizing effect is improved, and the requirements on the quality, the yield and the economic benefit of the bananas are met.
In order to solve the technical problems, the invention adopts a technical scheme that: the nutritional formula of the bananas is provided and comprises 8 leaf fertilizers, 8-12 leaf fertilizers, 12-16 leaf fertilizers, 16-20 leaf fertilizers, 20-24 leaf fertilizers, 24-28 leaf fertilizers, 28-32 leaf fertilizers, a bud period fertilizer, a young fruit period fertilizer and an expansion period fertilizer.
Further, N in the 8 leaf front fertilizers: p2O5：K2O is 1: 0.3-0.4: 1.5-2; the N: P in the 8-12 leaf fertilizers2O5:K2O is 1: 0.5-0.7: 1.5-2.2; n in the 12-16 leaf fertilizers: p2O5：K2O is 1: 0.2-0.3: 2.3-2.5; n in the 16-20 leaf fertilizers: p2O5：K2O is 1: 0.28-0.31: 2.0-2.2; n in the 20-24 leaf fertilizers: p2O5：K2O is 1: 0.15-0.18: 3.2-3.5; n in the 24-28 leaf fertilizers: p2O5：K2O is 1: 0.77-0.83: 4.4-4.7; n in the 28-32 leaf fertilizers: p2O5：K2O is 1: 1.0-1.2: 4.7-5.1; n in the bud drawing fertilizer: p2O5：K2O is 1: 0.58-0.7: 5.6-6.3; n in the young fruit fertilizer: p2O5：K2O is 1: 0.48-0.56: 5.3-5.7; n in the expanding fertilizer: p2O5：K2O＝1：0.78-0.87：8-10。
Further, N in the 8 leaf front fertilizers: p2O5：K2O is 1: 0.35: 1.64 of; the N: P in the 8-12 leaf fertilizers2O5:K2O is 1: 0.61: 2.10; n in the 12-16 leaf fertilizers: p2O5：K2O is 1: 0.28: 2.40; n in the 16-20 leaf fertilizers: p2O5：K2O is 1: 0.30: 2.08 of; n in the 20-24 leaf fertilizers: p2O5：K2O is 1: 0.17: 3.28; n in the 24-28 leaf fertilizers: p2O5：K2O＝1：0.81：4.53；N in the 28-32 leaf fertilizers: p2O5：K2O is 1: 1.09: 4.84; n in the bud drawing fertilizer: p2O5：K2O is 1: 0.63: 5.79; n in the young fruit fertilizer: p2O5：K2O is 1: 0.53: 5.46; n in the expanding fertilizer: p2O5：K2O＝1：0.83：8.71。
In the invention, the raw materials of the stage nutrition formula comprise one or more of urea, diammonium hydrogen phosphate, potassium sulfate, magnesium sulfate and borax.
In a specific embodiment, the 8 pre-foliar fertilizer raw materials comprise 5.46 to 5.86 parts by mass of urea, 1.87 to 2.04 parts by mass of diammonium hydrogen phosphate and 8.98 to 9.45 parts by mass of potassium sulfate, and further, in a specific embodiment of the invention, 5.86 parts by mass of urea, 2.04 parts by mass of diammonium hydrogen phosphate and 9.45 parts by mass of potassium sulfate;
in the invention, the raw materials of the 8-12 leaf fertilizers comprise urea, diammonium hydrogen phosphate and potassium sulfate, and further, the raw materials of the 8-12 leaf fertilizers comprise 4.02-4.18 parts by mass of urea, 2.78-2.94 parts by mass of diammonium hydrogen phosphate, 9.68-9.86 parts by mass of potassium sulfate, preferably 4.18 parts by mass of urea, 2.94 parts by mass of diammonium hydrogen phosphate and 9.86 parts by mass of potassium sulfate;
in the invention, the raw materials of the 12-16 leaf fertilizers comprise urea, diammonium hydrogen phosphate and potassium sulfate, and further, the raw materials of the 12-16 leaf fertilizers comprise 39.89-41.67 parts by mass of urea, 10.58-11.28 parts by mass of diammonium hydrogen phosphate and 92.38-95.78 parts by mass of potassium sulfate, and in a specific embodiment of the invention, 41.67 parts by mass of urea, 11.28 parts by mass of diammonium hydrogen phosphate and 95.78 parts by mass of potassium sulfate.
In the invention, the raw materials of the 16-20 leaf fertilizers comprise urea, diammonium hydrogen phosphate and potassium sulfate, and further, the raw materials of the 16-20 leaf fertilizers comprise 134.58-137.76 parts by mass of urea, 38.78-40.61 parts by mass of diammonium hydrogen phosphate and 270.56-277.51 parts by mass of potassium sulfate, wherein in a specific embodiment of the invention, 137.76 parts by mass of urea, 40.61 parts by mass of diammonium hydrogen phosphate and 277.51 parts by mass of potassium sulfate;
in the invention, the raw materials of the 20-24 leaf fertilizers comprise urea, diammonium hydrogen phosphate, potassium sulfate, borax and magnesium sulfate, and further, the raw materials of the 20-24 leaf fertilizers comprise 75.56-78.71 parts by mass of urea, 11.25-12.25 parts by mass of diammonium hydrogen phosphate, 231.45-235.63 parts by mass of potassium sulfate, 10 parts by mass of borax and 75 parts by mass of magnesium sulfate.
In the invention, the 24-28 leaf fertilizer raw materials comprise urea, diammonium hydrogen phosphate and potassium sulfate, and further, the 24-28 leaf fertilizer raw materials comprise 19.45-20.04 parts by mass of urea, 19.87-20.57 parts by mass of diammonium hydrogen phosphate, 111.85-113.67 parts by mass of potassium sulfate, preferably 20.04 parts by mass of urea, 20.57 parts by mass of diammonium hydrogen phosphate and 113.67 parts by mass of potassium sulfate;
in a specific embodiment of the invention, the 28-32 leaf fertilizer raw materials comprise urea, diammonium hydrogen phosphate and potassium sulfate, and further, the 28-32 leaf fertilizer raw materials comprise 9.87-10.17 parts by mass of urea, 16.21-16.95 parts by mass of diammonium hydrogen phosphate, 72.47-73.87 parts by mass of potassium sulfate, preferably 10.17 parts by mass of urea, 16.95 parts by mass of diammonium hydrogen phosphate and 73.87 parts by mass of potassium sulfate;
in the invention, the fertilizer raw materials for the bud extraction period comprise 21.23-23.08 parts by mass of urea, 15.58-16.97 parts by mass of diammonium hydrogen phosphate, 149.58-152.09 parts by mass of potassium sulfate and 75 parts by mass of magnesium sulfate, and in one specific embodiment of the invention, 23.08 parts by mass of urea, 16.97 parts by mass of diammonium hydrogen phosphate, 152.09 parts by mass of potassium sulfate and 75 parts by mass of magnesium sulfate;
in the invention, the fertilizer raw materials in the young fruit period comprise urea, diammonium hydrogen phosphate and potassium sulfate, and further comprise 34.25-35.78 parts by mass of urea, 18.98-20.86 parts by mass of diammonium hydrogen phosphate and 207.89-210.60 parts by mass of potassium sulfate, wherein in one specific embodiment of the invention, 35.78 parts by mass of urea, 20.86 parts by mass of diammonium hydrogen phosphate and 210.60 parts by mass of potassium sulfate;
in the invention, the fertilizer raw materials for the expansion period comprise 42.15-43.76 parts by mass of urea, 44.58-46.72 parts by mass of diammonium hydrogen phosphate and 479.56-482.83 parts by mass of potassium sulfate, and in a specific embodiment of the invention, 43.76 parts by mass of urea, 46.72 parts by mass of diammonium hydrogen phosphate and 482.83 parts by mass of potassium sulfate.
On the basis of the research on the nutritional formula, the inventor also researches a using method thereof, which comprises the following steps:
8 leaves before: applying N to each plant before 8 leaves grow on the banana: 2.90-3.12 parts by mass of P2O5: 0.99 to 1.09 parts by mass, K2O: 4.85-5.11 parts by mass;
8-12 leaves: after 8 leaves grow on the banana, applying N to each plant before 12 leaves: 2.43 to 2.54 parts by mass of P2O5: 1.47-1.56 parts by mass, K2O: 5.23-5.32 parts by mass;
12-16 leaves: after 12 leaves grow on the bananas, applying N to each banana plant before 16 leaves: 20.57-21.54 parts by mass of P2O5: 5.61-5.98 parts by mass of K2O: 49.89-51.72 parts by mass;
16-20 leaves: after growing 16 leaves on the bananas, applying N to each banana plant before 20 leaves: 70.05-71.90 parts by mass of P2O5: 20.55-21.52 parts by mass, K2O: 146.10-149.86 parts by mass;
20-24 leaves: after 20 leaves grow on the bananas, N is applied to each banana plant before 24 leaves: 37.12-38.78 parts by mass of P2O5: 5.96-6.49 parts by mass, K2O: 124.98-127.24 parts by mass;
24-28 leaves: after 24 leaves grow on the banana, applying N to each plant before 28 leaves: 13.12-13.54 parts by mass of P2O5: 10.53-10.90 parts by mass, K2O: 60.40-61.38 parts by mass;
28-32 leaves: after 28 leaves grow on the bananas, N is applied to each banana plant before 32 leaves: 7.94 to 8.24 parts by mass of P2O5: 8.59-8.99 parts by mass, K2O: 39.13-39.89 parts by mass;
in the bud drawing period: applying N to each plant after bud drawing: 13.04-14.18 parts by mass of P2O5: 8.26-8.99 parts by mass, K2O: 80.77-82.13 parts by mass;
and (3) during the young fruit period: applying N to each plant in the young fruit period: 19.74-20.84 parts by mass of P2O5: 10.06-11.06 parts by mass, K2O: 112.26-113.72 parts by mass;
and (3) an expansion period: applying N to each plant in the expansion period: 28.75-29.94 parts by mass of P2O5: 23.63-24.76 parts by mass, K2O: 258.96-260.73 parts by mass;
further, the method comprises the following steps:
8 leaves before: applying N to each plant in the first month before 8 leaves grow on the bananas: 0.87 to 0.94 part by mass of P2O5: 0.30-0.33 parts by mass, K2O: 1.46-1.54 parts by mass, and applying N: 2.03-2.18 parts by mass of P2O5: 0.69-0.76 parts by mass, K2O: 3.39-3.57 parts by mass, fertilizing is started 10 days after planting, 75000 parts by mass of each plant is irrigated in the first month, 95000 parts by mass of each plant is irrigated in the second month, and the fertilizer is irrigated along the downward drip of the tree crown.
8-12 leaves: after 8 leaves grow on the banana, applying N to each banana plant before 12 leaves: 2.43 to 2.54 parts by mass of P2O5: 1.47-1.56 parts by mass, K2O: 5.23-5.32 parts by mass, 95000 parts by mass of irrigation water per plant, and is applied along the dripping line of the crown once per week for four times.
12-16 leaves: after 12 leaves grow on the bananas, N is applied to each banana plant before 16 leaves: 20.57-21.54 parts by mass of P2O5: 5.61-5.98 parts by mass of K2O: 49.89 to 51.72 parts by mass and 95000 parts by mass of irrigation water per plant, and is applied along the dripping line of the crown once a week and four times.
16-20 leaves: after growing 16 leaves on the bananas, applying N to each banana plant before 20 leaves: 70.05-71.90 parts by mass of P2O5: 20.55-21.52 parts by mass, K2O: 146.10-149.86 parts by mass, 95000 parts by mass of irrigation water for each plant, and is applied along the dripping line of the tree crown once a week and four times.
20-24 tabletsLeaf: after 20 leaves grow on the bananas, N is applied to each banana plant before 24 leaves: 37.12-38.78 parts by mass of P2O5: 5.96-6.49 parts by mass, K2O: 124.98-127.24 parts by mass, wherein the irrigation amount of each plant is 95000 parts by mass, and the irrigation is performed along the dripping line of the tree crown once a week and four times.
24-28 leaves: after 24 leaves grow on the banana, applying N to each banana plant before 28 leaves: 13.12-13.54 parts by mass of P2O5: 10.53-10.90 parts by mass, K2O: 60.40-61.38 parts by mass and 95000 parts by mass of irrigation water per plant, and is applied along the dripping line of the crown once a week and four times.
28-32 leaves: after 28 leaves grow on the bananas, N is applied to each banana plant before 32 leaves: 7.94 to 8.24 parts by mass of P2O5: 8.59-8.99 parts by mass, K2O: 39.13-39.89 parts by mass, wherein the irrigation amount of each plant is 95000 parts by mass, and the irrigation is performed along the dripping line of the crown, once per week and four times.
In the bud drawing period: applying N to each plant after bud drawing: 13.04-14.18 parts by mass of P2O5: 8.26-8.99 parts by mass, K2O: 80.77-82.13 parts by mass, wherein the irrigation quantity of each plant is 45000 parts by mass, and the water is drenched along the dripping line of the tree crown, and is applied once per week and four times.
And (3) during the young fruit period: and (3) applying N to each plant in the young fruit period: 19.74-20.84 parts by mass of P2O5: 10.06-11.06 parts by mass, K2O: 112.26-113.72 parts by mass, wherein the irrigation quantity of each plant is 45000 parts by mass, and the irrigation is performed along the downward dripping line of the crown, once per week and four times.
And (3) an expansion period: and (3) applying N to each plant in the expansion period: 28.75-29.94 parts by mass of P2O5: 23.63-24.76 parts by mass, K2O: 258.96-260.73 parts by mass, each plant is irrigated with 30000 parts by mass of water, and the water is irrigated along the dripping line of the tree crown, and is irrigated once a week and four times.
Further, the method comprises the following steps:
8 leaves before: 1.64-1.76 parts by mass of urea, 0.56-0.61 part by mass of diammonium hydrogen phosphate, 2.69-2.84 parts by mass of potassium sulfate, 3.82-4.10 parts by mass of urea, 1.31-1.43 parts by mass of diammonium hydrogen phosphate and 6.29-6.61 parts by mass of potassium sulfate are applied to each plant in the first month before 8 leaves grow in the banana trees in the second month, fertilization is started 10 days after planting, the water irrigation amount of each plant is 75000 parts by mass in the first month, 95000 parts by mass in the second month, and the spraying is performed along the water dripping line of the crown.
8-12 leaves: after 8 leaves grow, 4.02-4.18 parts by mass of urea, 2.78-2.94 parts by mass of diammonium hydrogen phosphate, 9.68-9.86 parts by mass of potassium sulfate and 95000 parts by mass of irrigation water are applied to each plant for four times every week before 12 leaves.
12-16 leaves: after 12 leaves grow, 39.89-41.67 parts by mass of urea, 10.58-11.28 parts by mass of diammonium hydrogen phosphate, 92.38-95.78 parts by mass of potassium sulfate and 95000 parts by mass of irrigation water are applied to each plant before 16 leaves, and the water is sprayed along the dripping line of the crown once a week and four times.
16-20 leaves: after 16 leaves grow, 134.58-137.76 parts by mass of urea, 38.78-40.61 parts by mass of diammonium hydrogen phosphate, 270.56-277.51 parts by mass of potassium sulfate and 95000 parts by mass of irrigation water per plant are applied to each plant before 20 leaves, and the plants are sprayed along the dripping line of the crown once a week and four times.
20-24 leaves: after 20 leaves grow, 75.56-78.71 parts by mass of urea, 11.25-12.25 parts by mass of diammonium hydrogen phosphate, 231.45-235.63 parts by mass of potassium sulfate, 10 parts by mass of borax and 75 parts by mass of magnesium sulfate are applied to each plant before 24 leaves, the water irrigation amount of each plant is 95000 parts by mass, the plants are sprayed along the water dripping line of the tree crown, and the plants are applied once a week and four times.
24-28 leaves: after 24 leaves grow, 19.45-20.04 parts by mass of urea, 19.87-20.57 parts by mass of diammonium hydrogen phosphate, 111.85-113.67 parts by mass of potassium sulfate and 95000 parts by mass of irrigation water per plant are applied to each plant before 28 leaves, and the plants are sprayed along the dripping line of the crown once a week and applied for four times.
28-32 leaves: after 24 leaves grow, 9.87-10.17 parts by mass of urea, 16.21-16.95 parts by mass of diammonium hydrogen phosphate, 72.47-73.87 parts by mass of potassium sulfate and 95000 parts by mass of irrigation water per plant are applied to each plant before 28 leaves, and the plants are sprayed along the dripping line of the crown once a week and four times.
In the bud drawing period: 21.23-23.08 parts of urea, 15.58-16.97 parts of diammonium hydrogen phosphate, 149.58-152.09 parts of potassium sulfate, 75 parts of magnesium sulfate and 45000 parts of water irrigation amount per plant are applied to each plant together in the bud drawing period, and the urea is applied downwards along the dripping line of the crown once a week and four times.
And (3) during the young fruit period: 34.25-35.78 parts by mass of urea, 18.98-20.86 parts by mass of diammonium hydrogen phosphate, 207.89-210.60 parts by mass of potassium sulfate and 45000 parts by mass of irrigation water of each plant are applied to each plant in the young fruit period in a downward drenching manner along the dripping line of the crown, and the application is performed once a week and four times.
And (3) an expansion period: 42.15-43.76 parts by mass of urea, 44.58-46.72 parts by mass of diammonium hydrogen phosphate, 479.56-482.83 parts by mass of potassium sulfate and 30000 parts by mass of irrigation water for each plant are applied to each plant in the expansion period in a downward drenching manner along the water dripping line of the crown, and the application is carried out once a week and four times.
In the invention, the banana variety is a Banana.
The application method of the formula comprises the step of carrying out drip irrigation fertilization by adopting a water and fertilizer integrated fertilization mode.
The nutrient formula of the invention comprises N, urea, ammonium nitrate, ammonium sulfate, sodium nitrate, calcium nitrate, ammonium chloride and the like; p: diammonium hydrogen phosphate, potassium dihydrogen phosphate, ammonium dihydrogen phosphate, and the like; k: potassium sulfate, potassium nitrate, etc.; b: borax, boric acid, and the like; mg: magnesium sulfate, magnesium chloride, etc.;
the method can supplement nutrients required by banana growth in each stage in time, supplement nutrients in time on the basis of meeting the nutrients required by early leaf growth, improve bud drawing quality, ensure fruit setting rate, and supplement a large amount of nutrients required by fruit development in time before fruit expansion so as to ensure fruit quality and yield.
The invention has the beneficial effects that:
1. the invention provides a water and fertilizer integrated set meal nutrition formula for bananas, which can meet the fertilizer and water requirements of bananas at different growth and development stages in the whole growth period. The fertilizer and water requirements and the proportion of the bananas in the early vegetative growth stage (seedling stage), the middle and later vegetative growth stages, the bud extraction stage to the young fruit stage and the middle and later fruit growth stages are greatly different, although the fertilizer can be absorbed by one formula in the whole growth stage, the fertilizer is wasted and the environment is polluted due to improper application, and the yield and the quality of the fruits are reduced. According to the characteristics of the bananas on water and fertilizer requirements in the early vegetative growth stage (seedling stage), the middle and later vegetative growth stages, the bud drawing stage to the young fruit stage and the middle and later fruit growth stages, N, P, K, Ca and Mg water and fertilizer integrated application ratios which meet the nutritional characteristics of all stages are respectively provided, accurate application is realized, key nutritional processes such as stem growth, flowering and fruit setting are regulated, rich water required by growth in the whole growth period is provided in a balanced and efficient manner, the utilization rate of the fertilizer is improved, guarantee is provided for high yield and high quality of the bananas, and water, fertilizer and time and labor are saved.
2. The cost generated by human input can not be small and is a large proportion of the total input, and the planting work is complicated due to the complicated cultivation operation process. Input and output are closely related to economic benefits of farmers, but a method for integrally applying water and fertilizer according to target output is rare, so that the labor enthusiasm of the farmers is weakened to a certain extent. The invention combines the soil nutrient characteristics and the banana fertilizer requirement characteristics, provides a water-fertilizer integrated nutrient set prepared according to the fertilizer-water requirement rule in the banana growth stage, can scientifically and reasonably provide water and nutrients in each stage for bananas, and simultaneously reduces the labor input cost. Has high practical value.
3. Although the Hainan province is the most suitable area in the layout of the dominant areas of bananas in China, wherein east, le east, III, delirium, Lingao and Chengma are gold areas for planting bananas, the bananas have high economic benefit in the off-season cultivation in the Hainan, but a water-fertilizer integrated nutrition formula according to different growth stages is not available, and a water-fertilizer integrated banana nutrition formula is not available in other areas and all over the world. Improve the growth vigor and disease resistance, thereby improving the yield and quality of bananas.
Drawings
FIG. 1 is a graph comparing the nutrient input and cost of the present invention compared to a conventional fertilization method in example 2 of the present invention;
FIG. 2 is a graph comparing the yield and economic efficiency of the present invention compared to the conventional fertilization method in example 2 of the present invention;
FIG. 3 is a graph comparing the nutrient input and cost of the present invention compared to a conventional fertilization method in example 3 of the present invention;
FIG. 4 is a graph comparing the yield and economic efficiency of the present invention compared to the conventional fertilization method in example 3 of the present invention;
FIG. 5 is a graph comparing the nutrient input and cost of the present invention compared to a conventional fertilization method in example 4 of the present invention;
FIG. 6 is a graph comparing the yield and economic benefit of the present invention compared to the conventional fertilization method in example 4 of the present invention.
Detailed Description
Example 1
In the water and fertilizer integrated formula fertilization method, N is applied to each banana plant in the first month before 8 bananas grow: 0.94g, P2O5：0.33g，K2O: 1.54g, irrigation amount of 75kg, such as 1.76g of urea, 0.61g of diammonium hydrogen phosphate, 2.84g of potassium sulfate, and N: 2.18g, P2O5：0.76g，K2O: 3.57g, irrigation quantity of 95kg, such as 4.10g of urea, 1.43g of diammonium hydrogen phosphate and 6.61g of potassium sulfate, wherein N: p2O5：K2O is 1: 0.35: 1.64, fertilizing 10 days after planting; after 8 leaves grow on the banana, applying N to each plant before 12 leaves: 2.54g, P2O5：1.56g，K2O: 5.32g, irrigation amount 95kg, N: p2O5：K2O is 1: 0.61: 2.10 g of urea, such as 4.18g of diammonium hydrogen phosphate, 2.94g of potassium sulfate and 9.86g of potassium sulfate, wherein the application is performed once per week for four times; after 12 leaves grow on the bananas, applying N to each banana plant before 16 leaves: 21.54g, P2O5：5.98g，K2O: 51.72g, irrigation quantity 95kg, wherein N: p2O5：K2O is 1: 0.28: 2.40 g of urea, such as 41.67g of urea, 11.28g of diammonium phosphate and 95.78g of potassium sulfate, are applied once per week for four times; after growing 16 leaves on the bananas, applying N to each banana plant before 20 leaves: 71.90g, P2O5：21.52g，K2O: 149.86g, irrigation quantity 95kg, wherein N: p2O5：K2O is 1: 0.30: 2.08 g of urea 137.76g, diammonium hydrogen phosphate 40.61g and potassium sulfate 277.51g, applied once a week, all togetherApplying for four times; after 20 leaves grow on the bananas, N is applied to each banana plant before 24 leaves: 38.78g, P2O5：6.49g，K2O: 127.24g, irrigation quantity 95kg, wherein N: p2O5：K2O is 1: 0.17: 3.28, such as 78.71g of urea, 12.25g of diammonium phosphate, 235.63g of potassium sulfate, 10g of borax and 75g of magnesium sulfate, applied once a week for four times; after 24 leaves grow on the banana, applying N to each plant before 28 leaves: 13.54g, P2O5：10.90g，K2O: 61.38g, irrigation quantity 95kg, wherein N: p2O5：K2O is 1: 0.81: 4.53, such as 20.04g of urea, 20.57g of diammonium phosphate and 113.67g of potassium sulfate, which are applied once a week for four times; after 28 leaves grow on the bananas, N is applied to each banana plant before 32 leaves: 8.24g, P2O5：8.99g，K2O: 39.89g, irrigation quantity 95kg, wherein N: p2O5：K2O is 1: 1.09: 4.84 g of urea, such as 10.17g of urea, 16.95g of diammonium phosphate and 73.87g of potassium sulfate, wherein the application is performed once per week for four times; applying N to each plant after bud drawing: 14.18g, P2O5：8.99g，K2O: 82.13g, irrigation quantity of 45kg, wherein N: p2O5：K2O is 1: 0.63: 5.79 g of urea, such as 23.08g of urea, 16.97g of diammonium hydrogen phosphate, 152.09g of potassium sulfate and 75g of magnesium sulfate, wherein the application is performed once a week and four times in total; applying N to each plant in the young fruit period: 20.84g, P2O5：11.06g，K2O: 113.72g, irrigation quantity 45kg, wherein N: p2O5：K2O is 1: 0.53: 5.46 g of urea, such as 35.78g of urea, 20.86g of diammonium phosphate and 210.60g of potassium sulfate, which are applied once a week for four times; applying N to each plant in the expansion period: 29.94g, P2O5：24.76g，K2O: 260.73g, irrigation quantity of 30kg, wherein N: p2O5：K2O is 1: 0.83: 8.71g of urea, 43.76g of diammonium phosphate, 46.72g of potassium sulfate and 482.83g of potassium sulfate, wherein the application is performed once per week and four times in total. The fertilizer application method is to carry out drip irrigation fertilizer application in a water and fertilizer integrated fertilizer application mode and carry out drip irrigation application along the water dripping line of the tree crown.
Example 2
Take the banana test field of Meifeng Xicun bridge head in Fushan of Chengmi county as an example
Test time: one year
Test site: chengmi county Fushan Qiaotongzhen Meifeng Xicun
Test materials: banana (Banana) Gaertn
Summary of the soil tested: basalt brick red soil, the basic conditions of soil fertility are shown in Table 1
TABLE 1 basic conditions of soil fertility of test lands of banana in Meifeng Xicun, bride, Fushan, Chengmi county
Test protocol:
the test adopts two treatments of traditional fertilization method and water and fertilizer integrated formula fertilization. The row spacing of the banana planted plants is 1.5-3.2m, and the planting density is 166 plants/mu. In the traditional method, 1660 kg/mu of base fertilizer organic fertilizer, 43 kg/mu of calcium superphosphate, 174.8 kg/mu of additional fertilizer urea, 274.9 kg/mu of potassium chloride, 40 kg/mu of calcium magnesium phosphate fertilizer and 17.6 kg/mu of magnesium sulfate are applied, the fertilizing method adopts furrow application, 1-2 furrows with the depth of 10-20cm, the length of 30-35cm and the width of 15-25cm are dug at a proper position 0.45-0.85m away from the dried banana, the fertilizer is uniformly spread in the furrows, and then soil is covered. In the water and fertilizer integrated formula fertilization method, N is applied to each banana plant in the first month before 8 bananas grow: 0.94g, P2O5：0.33g，K2O: 1.54g, irrigation amount of 75kg, such as 1.76g of urea, 0.61g of diammonium hydrogen phosphate, 2.84g of potassium sulfate, and N: 2.18g, P2O5：0.76g，K2O: 3.57g, irrigation quantity of 95kg, such as 4.10g of urea, 1.43g of diammonium hydrogen phosphate and 6.61g of potassium sulfate, wherein N: p2O5：K2O is 1: 0.35: 1.64, fertilizing 10 days after planting; after 8 leaves grow on the banana, applying N to each plant before 12 leaves: 2.54g, P2O5：1.56g，K2O: 5.32g, irrigation amount 95kg, N: p2O5：K2O is 1: 0.61: 2.10 g of urea, such as 4.18g of diammonium hydrogen phosphate, 2.94g of potassium sulfate and 9.86g of potassium sulfate, wherein the application is performed once per week for four times; after 12 leaves grow on the bananas, applying N to each banana plant before 16 leaves: 21.54g, P2O5：5.98g，K2O: 51.72g, irrigation quantity 95kg, wherein N: p2O5：K2O is 1: 0.28: 2.40 g of urea, such as 41.67g of urea, 11.28g of diammonium phosphate and 95.78g of potassium sulfate, are applied once per week for four times; after growing 16 leaves on the bananas, applying N to each banana plant before 20 leaves: 71.90g, P2O5：21.52g，K2O: 149.86g, irrigation quantity 95kg, wherein N: p2O5：K2O is 1: 0.30: 2.08 g of urea 137.76g, diammonium hydrogen phosphate 40.61g and potassium sulfate 277.51g, and the application is carried out once per week and four times in total; after 20 leaves grow on the bananas, N is applied to each banana plant before 24 leaves: 38.78g, P2O5：6.49g，K2O: 127.24g, irrigation quantity 95kg, wherein N: p2O5：K2O is 1: 0.17: 3.28, such as 78.71g of urea, 12.25g of diammonium phosphate, 235.63g of potassium sulfate, 10g of borax and 75g of magnesium sulfate, applied once a week for four times; after 24 leaves grow on the banana, applying N to each plant before 28 leaves: 13.54g, P2O5：10.90g，K2O: 61.38g, irrigation quantity 95kg, wherein N: p2O5：K2O is 1: 0.81: 4.53, such as 20.04g of urea, 20.57g of diammonium phosphate and 113.67g of potassium sulfate, which are applied once a week for four times; after 28 leaves grow on the bananas, N is applied to each banana plant before 32 leaves: 8.24g, P2O5：8.99g，K2O: 39.89g, irrigation quantity 95kg, wherein N: p2O5：K2O is 1: 1.09: 4.84 g of urea, such as 10.17g of urea, 16.95g of diammonium phosphate and 73.87g of potassium sulfate, wherein the application is performed once per week for four times; applying N to each plant after bud drawing: 14.18g, P2O5：8.99g，K2O: 82.13g, irrigation quantity of 45kg, wherein N: p2O5：K2O is 1: 0.63: 5.79 g of urea, such as 23.08g of urea, 16.97g of diammonium hydrogen phosphate, 152.09g of potassium sulfate and 75g of magnesium sulfate, wherein the application is performed once a week and four times in total; applying N to each plant in the young fruit period: 20.84g, P2O5：11.06g，K2O: 113.72g, irrigation quantity 45kg, wherein N: p2O5：K2O is 1: 0.53: 5.46 g of urea, 20.86g of diammonium phosphate and 210.60g of potassium sulfate, are applied once a week,applying for four times in total; applying N to each plant in the expansion period: 29.94g, P2O5：24.76g，K2O: 260.73g, irrigation quantity of 30kg, wherein N: p2O5：K2O is 1: 0.83: 8.71g of urea, 43.76g of diammonium phosphate, 46.72g of potassium sulfate and 482.83g of potassium sulfate, wherein the application is performed once per week and four times in total. The fertilizer application method is to carry out drip irrigation fertilizer application in a water and fertilizer integrated fertilizer application mode and carry out drip irrigation application along the water dripping line of the tree crown.
As shown in FIG. 1, the test results show that the nutrient input (N + P) is controlled2O5+K2O) is 260.81 Kg/mu, the nutrient input amount of the fertilizer is 203.03 Kg/mu, the contrast nutrient input cost is 2347.25 yuan/mu, the nutrient input cost of the fertilizer is 1827.24 yuan/mu, and the fertilizer input cost is 520.01/mu compared with the contrast. In terms of yield and economic benefit, as shown in figure 2, the yield per mu of the control banana is 3357.50 kg/mu, the yield per mu treated by the fertilizer is 3640.76 kg/mu, and the yield is increased by 283kg compared with the control banana, namely the yield is increased by 8.4%. The commodity price of the banana is 3 yuan/kg, and the application method of the fertilizer can generate the economic benefit of 10922.25 yuan/mu and increase the income of 849 yuan/mu compared with the contrast. Therefore, the banana water and fertilizer integrated fertilizer provided by the invention promotes the absorption of banana nutrition and improves the banana yield, and meanwhile, the water and fertilizer integrated nutrition formula and the method provided by the invention reduce the input of chemical fertilizer dosage, reduce weight and drug, improve quality and improve efficiency, and make a contribution to the national strategic targets.
Example 3
Take the Xilian farm banana test field of delirium city in Hainan province as an example
Test time: one year
Test site: undelian West Union farm
Test materials: banana (Banana) Gaertn
Summary of the soil tested: basalt brick red soil, the basic conditions of soil fertility are shown in Table 2
TABLE 2 basic conditions of soil fertility of Xilian farm Banana test field in delirium, Hainan province
Test protocol: the test adopts two treatments of traditional fertilization method and water and fertilizer integrated formula fertilization. The row spacing of the banana planted plants is 1.5-3.2m, and the planting density is 166 plants/mu. In the traditional method, 1500 kg/mu of base fertilizer organic fertilizer, 30 kg/mu of calcium superphosphate, 185 kg/mu of additional fertilizer urea, 267 kg/mu of potassium chloride, 40 kg/mu of calcium magnesium phosphate fertilizer and 17.6 kg/mu of magnesium sulfate are applied, 1-2 ditches with the depth of 10-20cm, the length of 30-35cm and the width of 15-25cm are dug at proper positions 0.45-0.85m away from the dried banana plants by adopting furrow application, the fertilizer is uniformly spread in the ditches, and then soil is covered. In the experiment, the formula and the use method of the formula adopt the technical scheme in the embodiment 1.
As shown in FIG. 3, the test results show that the nutrient input (N + P) is controlled2O5+K2O) is 259.04 Kg/mu, the nutrient input amount of the fertilizer is 203.03 Kg/mu, the contrast nutrient input cost is 2331.16 yuan/mu, the nutrient input cost of the fertilizer is 1827.24 yuan/mu, and the fertilizer input cost is 503.92/mu compared with the contrast. In terms of yield and economic benefit, as shown in figure 4, the banana per mu yield of the control is 3935.86 kg/mu, the fertilizer treatment per mu yield of the invention is 3228.7 kg/mu, and the fertilizer treatment per mu yield is increased by 707.16kg compared with the control, namely the yield is increased by 21.9%. The commodity price of bananas is 3 yuan/kg, and the application method of the fertilizer can generate the economic benefit of 11807.58 yuan/mu and increase the income of 2121.48 yuan/mu compared with the contrast. Therefore, the banana water and fertilizer integrated fertilizer provided by the invention promotes the absorption of banana nutrition and improves the banana yield, and meanwhile, the water and fertilizer integrated nutrition formula and the method provided by the invention reduce the input of chemical fertilizer dosage, reduce weight and drug, improve quality and improve efficiency, and make a contribution to the national strategic targets.
Example 4
Taking the test place of red flag squad on red light farm in Fushan town of Chengmei county, Hainan as an example of test time: 2017.10-2018.09
Test site: red flag slope team on red light farm in Yangshan town of Chengmei county, Hainan province
Test materials: banana (Banana) Gaertn
Summary of the soil tested: basalt brick red soil, the basic conditions of soil fertility are shown in Table 3
TABLE 3 basic conditions of soil fertility of red flag slope team banana test field on Fushan Zhenghong farm in Fushan Zhen province
Test protocol: the test adopts two treatments of traditional fertilization method and water and fertilizer integrated formula fertilization. The row spacing of the banana planted plants is 1.5-3.2m, and the planting density is 166 plants/mu. In the traditional method, 1500 kg/mu of base fertilizer organic fertilizer, 25 kg/mu of calcium superphosphate, 186 kg/mu of additional fertilizer urea, 273 kg/mu of potassium chloride, 40 kg/mu of calcium magnesium phosphate fertilizer and 20 kg/mu of magnesium sulfate are applied, a furrow application method is adopted, 1-2 furrows with the depth of 10-20cm, the length of 30-35cm and the width of 15-25cm are dug at a proper position 0.45-0.85m away from a dried banana, the fertilizer is uniformly spread in the furrows, and then soil is covered. In the experiment, the formula and the use method of the formula adopt the technical scheme in the embodiment 1.
As shown in FIG. 5, the test results show that the nutrient input (N + P) is controlled2O5+K2O) is 262.62 Kg/mu, the nutrient input amount of the fertilizer is 203.03 Kg/mu, the contrast nutrient input cost is 2363.58 yuan/mu, the nutrient input cost of the fertilizer is 1827.24 yuan/mu, and the fertilizer input cost is 536.34/mu compared with the contrast. As shown in figure 6, in terms of yield and economic benefit, the banana per mu yield is 3411.3 kg/mu compared with the control banana per mu yield, the fertilizer of the invention can treat the banana per mu yield of 4168.26 kg/mu, and the fertilizer can increase the banana per mu yield by 716.96kg compared with the control banana per mu yield, namely increase the banana per mu yield by 21.0%. The commodity price of bananas is 3 yuan/kg, and the application method of the fertilizer can generate the economic benefit of 12505.78 yuan/mu and increase the income of 2271.88 yuan/mu compared with the contrast. Therefore, the banana water-fertilizer integrated fertilizer provided by the invention promotes the absorption of banana nutrition and improves the banana yield, and meanwhile, by using the water-fertilizer integrated nutrition formula and the method provided by the invention, the input of the fertilizer dosage is reduced, the weight and the drug are reduced, the quality and the efficiency are improved, and the environment is protected while the income of farmers is increased.
Claims (10)
1. A nutritional formula for bananas is characterized by comprising 8 pre-leaf fertilizers, 8-12 leaf fertilizers, 12-16 leaf fertilizers, 16-20 leaf fertilizers, 20-24 leaf fertilizers, 24-28 leaf fertilizers, 28-32 leaf fertilizers, a bud-drawing stage fertilizer, a young fruit stage fertilizer and a swelling stage fertilizer.
2. The nutritional formula according to claim 1, wherein the 8-leaf pre-fertilizer comprises N: p2O5：K2O is 1: 0.3-0.4: 1.5-2; the N: P in the 8-12 leaf fertilizers2O5:K2O is 1: 0.5-0.7: 1.5-2.2; n in the 12-16 leaf fertilizers: p2O5：K2O is 1: 0.2-0.3: 2.3-2.5; n in the 16-20 leaf fertilizers: p2O5：K2O is 1: 0.28-0.31: 2.0-2.2; n in the 20-24 leaf fertilizers: p2O5：K2O is 1: 0.15-0.18: 3.2-3.5; n in the 24-28 leaf fertilizers: p2O5：K2O is 1: 0.77-0.83: 4.4-4.7; n in the 28-32 leaf fertilizers: p2O5：K2O is 1: 1.0-1.2: 4.7-5.1; n in the bud drawing fertilizer: p2O5：K2O is 1: 0.58-0.7: 5.6-6.3; n in the young fruit fertilizer: p2O5：K2O is 1: 0.48-0.56: 5.3-5.7; n in the expanding fertilizer: p2O5：K2O＝1：0.78-0.87：8-10。
3. The nutritional formula according to claim 1, wherein the 8-leaf pre-fertilizer comprises N: p2O5：K2O is 1: 0.35: 1.64 of; the N: P in the 8-12 leaf fertilizers2O5:K2O is 1: 0.61: 2.10; n in the 12-16 leaf fertilizers: p2O5：K2O is 1: 0.28: 2.40; n in the 16-20 leaf fertilizers: p2O5：K2O is 1: 0.30: 2.08 of; n in the 20-24 leaf fertilizers: p2O5：K2O is 1: 0.17: 3.28; n in the 24-28 leaf fertilizers: p2O5：K2O is 1: 0.81: 4.53; n in the 28-32 leaf fertilizers: p2O5：K2O is 1: 1.09: 4.84; n in the bud drawing fertilizer: p2O5：K2O is 1: 0.63: 5.79; n in the young fruit fertilizer: p2O5：K2O is 1: 0.53: 5.46; n in the expanding fertilizer: p2O5：K2O＝1：0.83：8.71。
4. The nutritional formula of claim 1 wherein the stage feed comprises a blend of one or more of urea, diammonium phosphate, potassium sulfate, magnesium sulfate, and borax.
5. The nutritional formula according to claims 1 to 4, wherein the 8 pre-foliar fertilizer raw materials comprise urea, diammonium hydrogen phosphate and potassium sulfate, and further, the 8 pre-foliar fertilizer raw materials comprise 5.46 to 5.86 parts by mass of urea, 1.87 to 2.04 parts by mass of diammonium hydrogen phosphate, 8.98 to 9.45 parts by mass of potassium sulfate, preferably 5.86 parts by mass of urea, 2.04 parts by mass of diammonium hydrogen phosphate and 9.45 parts by mass of potassium sulfate; or/and the 8-12 leaf fertilizer raw materials comprise urea, diammonium hydrogen phosphate and potassium sulfate, and further, the 8-12 leaf fertilizer raw materials comprise 4.02-4.18 parts by mass of urea, 2.78-2.94 parts by mass of diammonium hydrogen phosphate, 9.68-9.86 parts by mass of potassium sulfate, preferably 4.18 parts by mass of urea, 2.94 parts by mass of diammonium hydrogen phosphate and 9.86 parts by mass of potassium sulfate; and the raw materials of the 12-16 leaf fertilizers comprise 39.89-41.67 parts by mass of urea, 10.58-11.28 parts by mass of diammonium hydrogen phosphate and 92.38-95.78 parts by mass of potassium sulfate, preferably 41.67 parts by mass of urea, 11.28 parts by mass of diammonium hydrogen phosphate and 95.78 parts by mass of potassium sulfate.
6. The nutritional formula according to claims 1 to 4, wherein the 16-20 leaf fertilizer raw materials comprise urea, diammonium hydrogen phosphate and potassium sulfate, and further, the 16-20 leaf fertilizer raw materials comprise 134.58-137.76 parts by mass of urea, 38.78-40.61 parts by mass of diammonium hydrogen phosphate, 270.56-277.51 parts by mass of potassium sulfate, preferably 137.76 parts by mass of urea, 40.61 parts by mass of diammonium hydrogen phosphate and 277.51 parts by mass of potassium sulfate; and the 20-24 leaf fertilizers comprise, by mass, 75.56-78.71 parts of urea, 11.25-12.25 parts of diammonium hydrogen phosphate, 231.45-235.63 parts of potassium sulfate, 10 parts of borax and 75 parts of magnesium sulfate, preferably 78.71 parts of urea, 12.25 parts of diammonium hydrogen phosphate, 235.63 parts of potassium sulfate, 10 parts of borax and 75 parts of magnesium sulfate.
7. The nutritional formula according to claims 1 to 4, wherein the 24-28 leaf fertilizer raw materials comprise urea, diammonium hydrogen phosphate and potassium sulfate, and further, the 24-28 leaf fertilizer raw materials comprise 19.45-20.04 parts by mass of urea, 19.87-20.57 parts by mass of diammonium hydrogen phosphate, 111.85-113.67 parts by mass of potassium sulfate, preferably 20.04 parts by mass of urea, 20.57 parts by mass of diammonium hydrogen phosphate and 113.67 parts by mass of potassium sulfate; or/and the raw materials of the 28-32 leaf fertilizers comprise urea, diammonium hydrogen phosphate and potassium sulfate, and further, the raw materials of the 28-32 leaf fertilizers comprise 9.87-10.17 parts by mass of urea, 16.21-16.95 parts by mass of diammonium hydrogen phosphate, 72.47-73.87 parts by mass of potassium sulfate, preferably 10.17 parts by mass of urea, 16.95 parts by mass of diammonium hydrogen phosphate and 73.87 parts by mass of potassium sulfate; the bud-stage fertilizer comprises 21.23-23.08 parts by mass of urea, 15.58-16.97 parts by mass of diammonium hydrogen phosphate, 149.58-152.09 parts by mass of potassium sulfate, 75 parts by mass of magnesium sulfate, preferably 23.08 parts by mass of urea, 16.97 parts by mass of diammonium hydrogen phosphate, 152.09 parts by mass of potassium sulfate and 75 parts by mass of magnesium sulfate; or/and the fertilizer raw materials in the young fruit period comprise urea, diammonium hydrogen phosphate and potassium sulfate, and further comprise 34.25-35.78 parts by mass of urea, 18.98-20.86 parts by mass of diammonium hydrogen phosphate, 207.89-210.60 parts by mass of potassium sulfate, preferably 35.78 parts by mass of urea, 20.86 parts by mass of diammonium hydrogen phosphate and 210.60 parts by mass of potassium sulfate; and the fertilizer raw materials for the expansion period comprise 42.15-43.76 parts by mass of urea, 44.58-46.72 parts by mass of diammonium hydrogen phosphate, 479.56-482.83 parts by mass of potassium sulfate, preferably 43.76 parts by mass of urea, 46.72 parts by mass of diammonium hydrogen phosphate and 482.83 parts by mass of potassium sulfate.
8. Use of a formulation according to any of claims 1 to 7, characterized in that it comprises the following steps:
8 leaves before: applying N to each plant before 8 leaves grow on the banana: 2.90-3.12 parts by mass of P2O5: 0.99 to 1.09 parts by mass, K2O: 4.85-5.11 parts by mass;
8-12 leaves: after 8 leaves grow on the banana, applying N to each plant before 12 leaves: 2.43 to 2.54 parts by mass of P2O5: 1.47-1.56 parts by mass, K2O: 5.23-5.32 parts by mass;
12-16 leaves: after 12 leaves grow on the bananas, applying N to each banana plant before 16 leaves: 20.57-21.54 parts by mass of P2O5: 5.61-5.98 parts by mass of K2O: 49.89-51.72 parts by mass;
16-20 leaves: after growing 16 leaves on the bananas, applying N to each banana plant before 20 leaves: 70.05-71.90 parts by mass of P2O5: 20.55-21.52 parts by mass, K2O: 146.10-149.86 parts by mass;
20-24 leaves: after 20 leaves grow on the bananas, N is applied to each banana plant before 24 leaves: 37.12-38.78 parts by mass of P2O5: 5.96-6.49 parts by mass, K2O: 124.98-127.24 parts by mass;
24-28 leaves: after 24 leaves grow on the banana, applying N to each plant before 28 leaves: 13.12-13.54 parts by mass of P2O5: 10.53-10.90 parts by mass, K2O: 60.40-61.38 parts by mass;
28-32 leaves: after 28 leaves grow on the bananas, N is applied to each banana plant before 32 leaves: 7.94 to 8.24 parts by mass of P2O5: 8.59-8.99 parts by mass, K2O: 39.13-39.89 parts by mass;
in the bud drawing period: applying N to each plant after bud drawing: 13.04-14.18 parts by mass of P2O5: 8.26-8.99 parts by mass, K2O: 80.77-82.13 parts by mass;
and (3) during the young fruit period: at young fruit stageAnd D, plant application N: 19.74-20.84 parts by mass of P2O5: 10.06-11.06 parts by mass, K2O: 112.26-113.72 parts by mass;
and (3) an expansion period: applying N to each plant in the expansion period: 28.75-29.94 parts by mass of P2O5: 23.63-24.76 parts by mass, K2O: 258.96-260.73 parts by mass.
9. The method of using the nutritional formula according to claim 8, comprising the steps of:
8 leaves before: applying N to each plant in the first month before 8 leaves grow on the bananas: 0.87 to 0.94 part by mass of P2O5: 0.30-0.33 parts by mass, K2O: 1.46-1.54 parts by mass, and applying N: 2.03-2.18 parts by mass of P2O5: 0.69-0.76 parts by mass, K2O: 3.39-3.57 parts by mass, fertilizing is started 10 days after planting, 75000 parts by mass of each plant is irrigated in the first month, 95000 parts by mass of each plant is irrigated in the second month, and the fertilizer is irrigated along the downward drip of the tree crown.
8-12 leaves: after 8 leaves grow on the banana, applying N to each banana plant before 12 leaves: 2.43 to 2.54 parts by mass of P2O5: 1.47-1.56 parts by mass, K2O: 5.23-5.32 parts by mass, 95000 parts by mass of irrigation water per plant, and is applied along the dripping line of the crown once per week for four times.
12-16 leaves: after 12 leaves grow on the bananas, N is applied to each banana plant before 16 leaves: 20.57-21.54 parts by mass of P2O5: 5.61-5.98 parts by mass of K2O: 49.89 to 51.72 parts by mass and 95000 parts by mass of irrigation water per plant, and is applied along the dripping line of the crown once a week and four times.
16-20 leaves: after growing 16 leaves on the bananas, applying N to each banana plant before 20 leaves: 70.05-71.90 parts by mass of P2O5: 20.55-21.52 parts by mass, K2O: 146.10-149.86 parts by mass, 95000 parts by mass of irrigation water for each plant, and is applied along the dripping line of the tree crown once a week and four times.
20-24 leaves: after 20 leaves grow on the bananas, N is applied to each banana plant before 24 leaves: 37.12-38.78 parts by mass of P2O5: 5.96-6.49 parts by mass, K2O: 124.98-127.24 parts by mass, wherein the irrigation amount of each plant is 95000 parts by mass, and the irrigation is performed along the dripping line of the tree crown once a week and four times.
24-28 leaves: after 24 leaves grow on the banana, applying N to each banana plant before 28 leaves: 13.12-13.54 parts by mass of P2O5: 10.53-10.90 parts by mass, K2O: 60.40-61.38 parts by mass and 95000 parts by mass of irrigation water per plant, and is applied along the dripping line of the crown once a week and four times.
28-32 leaves: after 28 leaves grow on the bananas, N is applied to each banana plant before 32 leaves: 7.94 to 8.24 parts by mass of P2O5: 8.59-8.99 parts by mass, K2O: 39.13-39.89 parts by mass, wherein the irrigation amount of each plant is 95000 parts by mass, and the irrigation is performed along the dripping line of the crown, once per week and four times.
In the bud drawing period: applying N to each plant after bud drawing: 13.04-14.18 parts by mass of P2O5: 8.26-8.99 parts by mass, K2O: 80.77-82.13 parts by mass, wherein the irrigation quantity of each plant is 45000 parts by mass, and the water is drenched along the dripping line of the tree crown, and is applied once per week and four times.
And (3) during the young fruit period: and (3) applying N to each plant in the young fruit period: 19.74-20.84 parts by mass of P2O5: 10.06-11.06 parts by mass, K2O: 112.26-113.72 parts by mass, wherein the irrigation quantity of each plant is 45000 parts by mass, and the irrigation is performed along the downward dripping line of the crown, once per week and four times.
And (3) an expansion period: and (3) applying N to each plant in the expansion period: 28.75-29.94 parts by mass of P2O5: 23.63-24.76 parts by mass, K2O: 258.96-260.73 parts by mass, each plant is irrigated with 30000 parts by mass of water, and the water is irrigated along the dripping line of the tree crown, and is irrigated once a week and four times.
10. The method of use according to claim 9, comprising the steps of:
8 leaves before: 1.64-1.76 parts by mass of urea, 0.56-0.61 part by mass of diammonium hydrogen phosphate, 2.69-2.84 parts by mass of potassium sulfate, 3.82-4.10 parts by mass of urea, 1.31-1.43 parts by mass of diammonium hydrogen phosphate and 6.29-6.61 parts by mass of potassium sulfate are applied to each plant in the first month before 8 leaves grow in the banana trees in the second month, fertilization is started 10 days after planting, the water irrigation amount of each plant is 75000 parts by mass in the first month, 95000 parts by mass in the second month, and the spraying is performed along the water dripping line of the crown.
8-12 leaves: after 8 leaves grow, 4.02-4.18 parts by mass of urea, 2.78-2.94 parts by mass of diammonium hydrogen phosphate, 9.68-9.86 parts by mass of potassium sulfate and 95000 parts by mass of irrigation water are applied to each plant for four times every week before 12 leaves.
12-16 leaves: after 12 leaves grow, 39.89-41.67 parts by mass of urea, 10.58-11.28 parts by mass of diammonium hydrogen phosphate, 92.38-95.78 parts by mass of potassium sulfate and 95000 parts by mass of irrigation water are applied to each plant before 16 leaves, and the water is sprayed along the dripping line of the crown once a week and four times.
16-20 leaves: after 16 leaves grow, 134.58-137.76 parts by mass of urea, 38.78-40.61 parts by mass of diammonium hydrogen phosphate, 270.56-277.51 parts by mass of potassium sulfate and 95000 parts by mass of irrigation water per plant are applied to each plant before 20 leaves, and the plants are sprayed along the dripping line of the crown once a week and four times.
20-24 leaves: after 20 leaves grow, 75.56-78.71 parts by mass of urea, 11.25-12.25 parts by mass of diammonium hydrogen phosphate, 231.45-235.63 parts by mass of potassium sulfate, 10 parts by mass of borax and 75 parts by mass of magnesium sulfate are applied to each plant before 24 leaves, the water irrigation amount of each plant is 95000 parts by mass, the plants are sprayed along the water dripping line of the tree crown, and the plants are applied once a week and four times.
24-28 leaves: after 24 leaves grow, 19.45-20.04 parts by mass of urea, 19.87-20.57 parts by mass of diammonium hydrogen phosphate, 111.85-113.67 parts by mass of potassium sulfate and 95000 parts by mass of irrigation water per plant are applied to each plant before 28 leaves, and the plants are sprayed along the dripping line of the crown once a week and applied for four times.
28-32 leaves: after 24 leaves grow, 9.87-10.17 parts by mass of urea, 16.21-16.95 parts by mass of diammonium hydrogen phosphate, 72.47-73.87 parts by mass of potassium sulfate and 95000 parts by mass of irrigation water per plant are applied to each plant before 28 leaves, and the plants are sprayed along the dripping line of the crown once a week and four times.
In the bud drawing period: 21.23-23.08 parts of urea, 15.58-16.97 parts of diammonium hydrogen phosphate, 149.58-152.09 parts of potassium sulfate, 75 parts of magnesium sulfate and 45000 parts of water irrigation amount per plant are applied to each plant together in the bud drawing period, and the urea is applied downwards along the dripping line of the crown once a week and four times.
And (3) during the young fruit period: 34.25-35.78 parts by mass of urea, 18.98-20.86 parts by mass of diammonium hydrogen phosphate, 207.89-210.60 parts by mass of potassium sulfate and 45000 parts by mass of irrigation water of each plant are applied to each plant in the young fruit period in a downward drenching manner along the dripping line of the crown, and the application is performed once a week and four times.
And (3) an expansion period: 42.15-43.76 parts by mass of urea, 44.58-46.72 parts by mass of diammonium hydrogen phosphate, 479.56-482.83 parts by mass of potassium sulfate and 30000 parts by mass of irrigation water for each plant are applied to each plant in the expansion period in a downward drenching manner along the water dripping line of the crown, and the application is carried out once a week and four times.
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