CN113575360A - Integrated nanny type flue-cured tobacco nutrition block and preparation method and seedling raising method thereof - Google Patents
Integrated nanny type flue-cured tobacco nutrition block and preparation method and seedling raising method thereof Download PDFInfo
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/40—Growth substrates; Culture media; Apparatus or methods therefor characterised by their structure
- A01G24/44—Growth substrates; Culture media; Apparatus or methods therefor characterised by their structure in block, mat or sheet form
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/45—Tobacco
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
- A01G24/12—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material containing soil minerals
- A01G24/15—Calcined rock, e.g. perlite, vermiculite or clay aggregates
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
- A01G24/27—Pulp, e.g. bagasse
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/28—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing peat, moss or sphagnum
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/30—Growth substrates; Culture media; Apparatus or methods therefor based on or containing synthetic organic compounds
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Abstract
The invention discloses an integrated nanny-type flue-cured tobacco nutrition block, a preparation method and a seedling growing method thereof, wherein the integrated nanny-type flue-cured tobacco nutrition block comprises the following components: a base nutrition block comprising, in parts by weight: 900-1100 parts of seedling raising matrix, 900-1100 parts of decomposed bagasse, 10-15 parts of nonionic polyacrylamide and 100-140 parts of controlled release fertilizer; the top nutrition block is positioned on the upper part of the base nutrition block and integrally formed with the base nutrition block, and the height ratio of the base nutrition block to the top nutrition block is as follows: (3.5-4.5): (1.5-2.5); the top nutrition block comprises the following components in parts by weight: 900-1100 parts of seedling raising matrix and 900-1100 parts of decomposed bagasse; tobacco seeds embedded within the top nutritive block. No fertilizer is applied in the whole process; can obviously promote the development of root systems, and has strong activity of the root systems, high drought resistance and good environmental adaptability.
Description
Technical Field
The invention relates to the technical field of preparation of organic substrates, in particular to an integrated nanny-type flue-cured tobacco nutrition block and a preparation method and a seedling culture method thereof.
Background
At present, the tobacco seedling raising in China mostly adopts an intensive seedling raising mode of directly seeding coated seeds, and each tobacco production area adopts a tray seedling raising method and a floating seedling raising method for live-wet seedling raising according to actual conditions. The floating seedling raising of flue-cured tobacco is carried out by filling artificial prepared matrix into formed expanded polystyrene grid tray as carrier in greenhouse or plastic shed, floating the seedling tray in seedling pool containing complete nutrient solution, and completing the seeding and seedling process.
However, the defects and shortcomings of the prior art: (1) the material is not environment-friendly enough, the existing floating seedling-raising tray is mostly made of expanded polystyrene, and if the material is abandoned, the material is difficult to degrade and is not environment-friendly enough; (2) the storage space is bigger. (3) The frequency of water and fertilizer supply is high, and water is wasted. (4) The water has more roots, the root system has poor vitality and the drought resistance is weak.
Therefore, in order to solve the technical problems, the development of an integrated nanny-type flue-cured tobacco nutrition block and a seedling raising method is urgently needed.
Disclosure of Invention
The invention aims to provide an integrated Baomu type flue-cured tobacco nutrition block which has wide application conditions (can be matched with) paper cups, non-woven fabric nutrition blocks or single nutrition blocks for use, and the seedling culture consumables are environment-friendly and degradable; no fertilizer is applied in the whole process; the water supply is simplified, the water is saved, the development of the root system is obviously promoted, the activity of the root system is strong, the drought resistance is high, and the environmental adaptability is good.
The invention adopts the following technical scheme:
in a first aspect of the invention, there is provided an integrated nanny flue-cured tobacco nutrition block comprising:
the base nutrition block comprises the following components in parts by weight: 900-1100 parts of seedling raising matrix, 900-1100 parts of decomposed bagasse, 10-15 parts of nonionic polyacrylamide and 100-140 parts of controlled release fertilizer;
the top nutrition block is positioned on the upper part of the base nutrition block and integrally formed with the base nutrition block, and the height ratio of the base nutrition block to the top nutrition block is as follows: (3.5-4.5): (1.5-2.5); the top nutrition block comprises the following components in parts by weight: 900-1100 parts of seedling raising matrix and 900-1100 parts of decomposed bagasse;
tobacco seeds embedded within the top nutritive block.
Further, the base nutrition block comprises the following components in parts by weight: 950-1050 parts of seedling raising matrix, 950-1050 parts of decomposed bagasse, 12-14 parts of non-ionic polyacrylamide and 110-130 parts of controlled release fertilizer;
the top nutrition block comprises the following components in parts by weight: 950-1050 parts of seedling raising substrate and 950-1050 parts of decomposed bagasse.
Further, the height ratio of the base nutritive cube to the top nutritive cube is 2: 1.
further, the seedling substrate comprises the following components in parts by weight: 6-8 parts of turf, 3-5 parts of vermiculite and 1-2 parts of perlite.
Further, the weight ratio of nitrogen, potassium and phosphorus of the controlled release fertilizer is as follows: 20: 10: 20.
in a second aspect of the invention, there is provided a method of preparing an integrated nanny-style flue-cured tobacco nutrition block, the method comprising:
uniformly mixing and pressing 900-1100 parts by weight of seedling raising matrix, 900-1100 parts by weight of decomposed bagasse, 10-15 parts by weight of nonionic polyacrylamide and 100-140 parts by weight of controlled release fertilizer to obtain a base nutrition block;
uniformly mixing 900-1100 parts by weight of seedling raising matrix and 900-1100 parts by weight of decomposed bagasse, putting the mixture on a base nutrition block, and integrally pressing to obtain a top nutrition block;
and embedding tobacco seeds in the top nutrient block to obtain the integrated nanny-type flue-cured tobacco nutrient block.
In a third aspect of the invention, there is provided a method of growing tobacco seedlings using the integrated nanny-style cured tobacco nutrition block, the method comprising:
putting the integrated Baomu type flue-cured tobacco nutrition blocks into seedling culture hole trays and a seedling culture pond, and adding water into the seedling culture pond to a depth of 1.2-1.8 cm;
adding NaSH into the seedling raising pond after the tobacco cross stage, and then adding NaSH into the seedling raising pond on the 5 th day and the 10 th day respectively;
and after the tobacco cross stage, supplementing water when the water in the seedling raising pond is completely dried and the water content of the seedling substrate is lower than 70%.
Further, the final concentration of each addition of NaSH is 10-30 nM.
Further, the water depth in the seedling raising pond is kept to be 1.4-1.6 cm.
One or more technical solutions in the embodiments of the present invention have at least the following technical effects or advantages:
1. the invention provides an integrated nanny-type flue-cured tobacco nutrition block, which comprises a base nutrition block and a top nutrition block, wherein the height ratio of the base nutrition block to the top nutrition block is as follows: (3.5-4.5): (1.5-2.5); the reason why the height ratio is set is as follows: the fertilizer and the root strengthening agent are prevented from being too close to the seeds, so that the seedlings are burned when the seeds germinate and are too far away, and the nutrition is conveniently provided;
the nutrition blocks contain decomposed bagasse, so that the ventilation property of the seedling culture substrate is improved while nutrients are provided for tobacco seedlings; the nutrient block is environment-friendly, and the waste (bagasse) is utilized; the base nutrition block contains controlled release fertilizer, so that the fertilizer is not applied in the whole seedling raising process and is slowly released; the water-retaining agent in the base nutrition block can play a role in retaining water by the matrix, so that the drought resistance of the tobacco seedlings is high, the moisture around the root systems of the tobacco seedlings is retained in the root extending period, the environmental adaptability is good, and the early growth and the rapid growth of the tobacco seedlings are facilitated. The nutrient blocks comprise seeds, slow release fertilizer, root strengthening agent and water-retaining agent, so that the procedures of sowing, fertilizing and dressing growth promoter are omitted, the whole process is simple to operate, and after the nutrient blocks are transplanted in a field, the nutrient blocks have a certain water-retaining effect, so that the tobacco seedlings can adapt to the field environment quickly, and the seedling returning period is avoided.
The nutrient block has wide application conditions (can be matched with paper cups, non-woven fabric nutrient blocks or single nutrient blocks for use), and the seedling culture consumable is environment-friendly and degradable; the nutrition blocks are provided with seeds, so that the steps of tray filling and sowing are simplified;
2. according to the seedling raising method adopting the integrated nursing type flue-cured tobacco nutrition block, fertilization is not performed in the whole process, manual operation in the seedling raising process is simplified, and labor cost is saved; water is saved, water management is simple, the seedling raising pond is guaranteed to have water in the big cross period, dry and wet alternation is carried out after the big cross period, and the water management mode is simple and easy to learn while the water is saved; NaSH (sodium hydrosulfide) is added in the seedling raising process to play a role in strengthening roots, promote root development and improve root activity; the full water supply before the big cross ensures the germination vigor and the germination rate of the seeds, and the drought adaptive water supply is gradually carried out after the big cross, so that the development of root systems can be obviously promoted, the activity of the root systems is strong, and the generation of water roots is prevented.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
FIG. 1 is a flow chart of a seedling raising method of an integrated Baum type flue-cured tobacco nutrition block provided by the invention.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments and examples, and the advantages and various effects of the present invention will be more clearly apparent therefrom. It will be understood by those skilled in the art that these specific embodiments and examples are for the purpose of illustrating the invention and are not to be construed as limiting the invention.
Throughout the specification, unless otherwise specifically noted, terms used herein should be understood as having meanings as commonly used in the art. Accordingly, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. If there is a conflict, the present specification will control.
Unless otherwise specifically stated, various raw materials, reagents, instruments, equipment and the like used in the present invention are commercially available or can be obtained by an existing method.
In order to solve the technical problems, the general idea of the embodiment of the application is as follows:
according to an exemplary embodiment of the present invention, there is provided an integrated nanny flue-cured tobacco nutrition block comprising:
the base nutrition block comprises the following components in parts by weight: 900-1100 parts of seedling raising matrix, 900-1100 parts of decomposed bagasse, 10-15 parts of nonionic polyacrylamide and 100-140 parts of controlled release fertilizer;
the top nutrition block is positioned on the upper part of the base nutrition block and integrally formed with the base nutrition block, and the height ratio of the base nutrition block to the top nutrition block is as follows: (3.5-4.5): (1.5-2.5); the top nutrition block comprises the following components in parts by weight: 900-1100 parts of seedling raising matrix and 900-1100 parts of decomposed bagasse;
tobacco seeds embedded within the top nutritive block.
In the embodiment of the present invention, the first and second substrates,
the height ratio of the base nutritive cube to the top nutritive cube is: (3.5-4.5): (1.5-2.5); the reason why the height ratio is set is as follows: the fertilizer and the root strengthening agent are prevented from being too close to the seeds, so that the seedlings are burned when the seeds germinate, and the fertilizer and the root strengthening agent are not too far away so as to provide nutrition conveniently; the seedling burning is caused by the fact that the base nutrition block accounts for too high proportion, the top is added to prevent the seedling burning, and the seedling is easy to burn as the seedling comes into contact with the fertilizer in the base as soon as the seedling grows out roots.
900-1100 parts of seedling raising substrate, 900-1100 parts of decomposed bagasse: the nutrition blocks contain decomposed bagasse, so that the ventilation property of the seedling culture substrate is improved while nutrients are provided for tobacco seedlings; the nutrient block is environment-friendly, and the waste (bagasse) is utilized; too little addition is not good for providing nutrition, and too much addition easily results in overnutrition.
The base nutrition block comprises the following components in parts by weight: the seedling raising substrate is 900-1100 parts, the decomposed bagasse is 900-1100 parts, the non-ionic polyacrylamide is 10-15 parts, and the controlled release fertilizer is 100-140 parts:
the base nutrition block contains 100-140 parts of controlled release fertilizer, so that the fertilizer is not applied in the whole seedling raising process and is slowly released; if the amount of the controlled release fertilizer is too small, the slow release of the fertilizer is not facilitated, and if the amount of the controlled release fertilizer is too large, the seedlings are easy to burn;
10-15 parts of water-retaining agent non-ionic polyacrylamide in the nutrition block of the base part can play a role in retaining water by the matrix, so that the drought resistance of the tobacco seedlings is high, the moisture around the root systems of the tobacco seedlings is retained in the root extending period, the environmental adaptability is good, and the early growth and the rapid growth of the tobacco seedlings are facilitated. If the water-retaining agent non-ionic polyacrylamide is added too little, the water retention is not good, and if the water-retaining agent non-ionic polyacrylamide is added too much, the seedling raising nutrition block is poor in air permeability and poor in root system development;
the nutrient block of the invention omits the procedures of sowing, fertilizing and dressing growth promoter, so that only watering is needed in the using process, the operation of the whole process is simple, and after the nutrient block is transplanted in a field, the nutrient block has a certain water retention effect, so that tobacco seedlings can be quickly adapted to the field environment without seedling returning period. The application condition is wide (can be matched with) paper cups, non-woven fabric nutrient blocks or single nutrient blocks for use, and the seedling culture consumables are environment-friendly and degradable; the nutrition blocks are provided with seeds, so that the steps of tray filling and sowing are simplified; therefore, the integrated Baomu type flue-cured tobacco nutrition block provided by the invention has the advantages that the components are cooperatively matched, the early growth and quick growth of tobacco seedlings are facilitated, and only watering is needed in the use process.
As a preferred embodiment, the base nutritional block comprises the following components in parts by weight: 950-1050 parts of seedling raising matrix, 950-1050 parts of decomposed bagasse, 12-14 parts of non-ionic polyacrylamide and 110-130 parts of controlled release fertilizer;
the top nutrition block comprises the following components in parts by weight: 950-1050 parts of seedling raising substrate and 950-1050 parts of decomposed bagasse.
As a preferred embodiment, the height ratio of the base nutritional block to the top nutritional block is 2: 1.
as a preferred embodiment, the seedling substrate comprises in weight fraction: 6-8 parts of turf, 3-5 parts of vermiculite and 1-2 parts of perlite.
As a preferred embodiment, the controlled release fertilizer comprises in parts by weight: 60-70 parts of water-based polyacrylate emulsion, 0.15-0.3 part of water-dispersed nano silicon dioxide, 0.1-0.3 part of carboxymethyl cellulose and 0.5-1 part of modified wood dust.
According to another exemplary embodiment of the present invention, there is provided a method for preparing an integrated nanny-style flue-cured tobacco nutrition block, the method comprising:
uniformly mixing and pressing 900-1100 parts by weight of seedling raising matrix, 900-1100 parts by weight of decomposed bagasse, 10-15 parts by weight of nonionic polyacrylamide and 100-140 parts by weight of controlled release fertilizer to obtain a base nutrition block;
uniformly mixing 900-1100 parts by weight of seedling raising matrix and 900-1100 parts by weight of decomposed bagasse, putting the mixture on a base nutrition block, and integrally pressing to obtain a top nutrition block;
and embedding tobacco seeds in the top nutrient block to obtain the integrated nanny-type flue-cured tobacco nutrient block.
According to another exemplary embodiment of the present invention, there is provided a method for growing tobacco seedlings using the integrated nanny-style cured tobacco nutrition block, the method comprising:
putting the integrated Baomu type flue-cured tobacco nutrition blocks into seedling culture hole trays and a seedling culture pond, and adding water into the seedling culture pond to a depth of 1.2-1.8 cm;
adding NaSH into the seedling raising pond after the tobacco cross stage, and then adding NaSH into the seedling raising pond on the 5 th day and the 10 th day respectively;
and after the tobacco cross stage, supplementing water when the water in the seedling raising pond is completely dried and the water content of the seedling substrate is lower than 70%.
In the technical scheme, NaSH added in the seedling raising process plays a role in strengthening roots, promotes root development and improves root activity; the full water supply before the big cross ensures the germination vigor and the germination rate of the seeds, and the drought adaptive water supply is gradually carried out after the big cross, so that the development of root systems can be obviously promoted, the activity of the root systems is strong, and the generation of water roots is prevented.
In a preferred embodiment, the final concentration of NaSH added is 10-30 nM each time. If the concentration of NaSH is less than 10nM, the promotion effect on the root system is difficult to be achieved, and if the concentration of NaSH is more than 30nM, the total root length, the root volume and the number of lateral roots of the tobacco seedling are obviously reduced and decreased;
experiments show that after the tobacco cross stage, 3 times of adding NaSH with the final concentration of 10-30 nM at intervals can promote the root development to the maximum extent and improve the root activity; if the root-like effect is difficult to achieve when the adding times are less than 3 times or more than 3 times, the interval of 5 days is between each time: NaSH is easily volatilized and is applied several times at 5-day intervals to ensure the rooting effect.
An integrated nursery cured tobacco nutrition block of the present application will be described in detail below with reference to examples, comparative examples and experimental data.
Example 1
1. An integrated nanny style flue-cured tobacco nutrition block, comprising:
the nutrient block comprises 1000 parts of seedling raising matrix, 1000 parts of decomposed bagasse, 12 parts of nonionic polyacrylamide and 120 parts of controlled release fertilizer in parts by weight;
the top nutrition block is positioned on the upper part of the base nutrition block and integrally formed with the base nutrition block, and the height ratio of the base nutrition block to the top nutrition block is as follows: 4: 2, the total height is 6 cm; the top nutrition block comprises the following components in parts by weight: 1000 parts of seedling raising substrate and 1000 parts of decomposed bagasse;
tobacco seeds embedded within the top nutritive block.
2. The seedling raising method comprises the following steps:
(1) putting the nutrition blocks into seedling culture hole trays; placing the seedling raising hole trays into a seedling raising pond, wherein the seedling raising trays are adjacent to each other; adding water to the seedling raising pond to a depth of 1.5 cm;
(2) adding NaSH with the final concentration of 20nM into the seedling raising pool after the small cross period, adding NaSH with the final concentration of 20nM into the seedling raising pool after 5 days, and adding NaSH with the final concentration of 20nM into the seedling raising pool after 5 days; before the big cross period, keeping the water depth of the seedling raising pond to be 1.5 cm;
(3) after the large cross period, completely drying the water in the seedling raising pond, replenishing water when the water content of the seedling raising substrate is lower than 70%, wherein the water replenishing height is 1.5cm, completely drying the water in the seedling raising pond, and replenishing water when the water content of the seedling raising substrate is lower than 60%; only water management needs to be paid attention to the seedling raising process.
Example 2
1. An integrated nanny style flue-cured tobacco nutrition block, comprising:
the base nutrition block comprises the following components in parts by weight: 900 parts of seedling raising substrate, 900 parts of decomposed bagasse, 10 parts of non-ionic polyacrylamide and 100 parts of controlled release fertilizer;
the top nutrition block is positioned on the upper part of the base nutrition block and integrally formed with the base nutrition block, and the height ratio of the base nutrition block to the top nutrition block is as follows: 3.5: 1.5, the total height is 5 cm; the top nutrition block comprises the following components in parts by weight: 900 parts of seedling raising substrate and 900 parts of decomposed bagasse;
tobacco seeds embedded within the top nutritive block.
2. The seedling raising method comprises the following steps:
(1) putting the nutrition blocks into seedling culture hole trays; placing the seedling raising hole trays into a seedling raising pond, wherein the seedling raising trays are adjacent to each other; adding water to the seedling raising pond to a depth of 1.5 cm;
(2) adding NaSH with the final concentration of 10nM into the seedling raising pool after the small cross period, adding NaSH with the final concentration of 10nM into the seedling raising pool after 5 days, and adding NaSH with the final concentration of 10nM into the seedling raising pool after 5 days; before the big cross period, keeping the water depth of the seedling raising pond to be 1.5 cm;
(3) after the large cross period, completely drying the water in the seedling raising pond, replenishing water when the water content of the seedling raising substrate is lower than 70%, wherein the water replenishing height is 1.5cm, completely drying the water in the seedling raising pond, and replenishing water when the water content of the seedling raising substrate is lower than 60%; only water management needs to be paid attention to the seedling raising process.
Example 3
1. An integrated nanny style flue-cured tobacco nutrition block, comprising:
the base nutrition block comprises the following components in parts by weight: 1100 parts of seedling raising matrix, 1100 parts of decomposed bagasse, 15 parts of nonionic polyacrylamide and 140 parts of controlled release fertilizer;
the top nutrition block is positioned on the upper part of the base nutrition block and integrally formed with the base nutrition block, and the height ratio of the base nutrition block to the top nutrition block is as follows: 4.5: 2.5, the total height is 7 cm; the top nutrition block comprises the following components in parts by weight: 1100 parts of seedling raising substrate and 1100 parts of decomposed bagasse;
tobacco seeds embedded within the top nutritive block.
2. The seedling raising method comprises the following steps:
(1) putting the nutrition blocks into seedling culture hole trays; placing the seedling raising hole trays into a seedling raising pond, wherein the seedling raising trays are adjacent to each other; adding water to the seedling raising pond to a depth of 1.5 cm;
(2) adding NaSH with the final concentration of 30nM into the seedling raising pool after the small cross period, adding NaSH with the final concentration of 30nM into the seedling raising pool after 5 days, and adding NaSH with the final concentration of 30nM into the seedling raising pool after 5 days; before the big cross period, keeping the water depth of the seedling raising pond to be 1.5 cm;
(3) after the large cross period, completely drying the water in the seedling raising pond, replenishing water when the water content of the seedling raising substrate is lower than 70%, wherein the water replenishing height is 1.5cm, completely drying the water in the seedling raising pond, and replenishing water when the water content of the seedling raising substrate is lower than 60%; only water management needs to be paid attention to the seedling raising process.
Comparative example 1
In this comparative example, the height ratio of the base nutritive cube to the top nutritive cube was 6: 1; the other steps were the same as in example 1.
Comparative example 2
In this comparative example, the height ratio of the base nutritive cube to the top nutritive cube was 1: 4; the other steps were the same as in example 1.
Comparative example 3
In this comparative example, no NaSH was added; the other steps were the same as in example 1.
Comparative example 4
In this comparative example, NaSH was added at a concentration of 5 nM; the other steps were the same as in example 1.
Comparative example 5
In this comparative example, the concentration of NaSH added was 35 nM; the other steps were the same as in example 1.
Experimental example 1
1. The tobacco seedling quality of the above examples and comparative examples was observed and statistically shown in table 1.
TABLE 1 comparison of the quality of the plantlets
From the data in table 1, it can be seen that:
in comparative example 1, seedlings were caused to burn;
in comparative example 2, the quality of the seedling was poor;
in comparative example 3, no NaSH was added, resulting in poor seedling quality;
in the comparative example 4, the concentration of the added NaSH is 5nM, which is less than the range of 10-30 nM of the embodiments of the invention, the seedling quality is worse than the embodiments, and the comparison ratio is better than the comparison ratio 3; shows that the effect of adding 5nM NaSH is still better than that of adding no NaSH in the comparison example 3;
in the comparative example 5, the concentration of the added NaSH is 35nM which is larger than the range of 10-30 nM of the embodiment of the invention, the seedling quality is worse than that of the embodiment, and the comparison ratio is better than that of 3; shows that the effect of adding 35nM NaSH is still better than that of adding no NaSH in the comparison example 3;
the integrated nursery flue-cured tobacco nutrition blocks of examples 1-3 have good seedling quality.
2. The root system configurations of the tobaccos of the above examples and comparative examples were observed and statistically shown in table 2.
TABLE 2 comparison of root configurations
From the data in table 2, it can be seen that:
in comparative example 1, seedlings were burned;
in comparative example 2, the root system configuration was poor;
in comparative example 3, no NaSH was added, the root system configuration was poor;
in the comparative example 4, the concentration of the added NaSH is 5nM, which is less than the range of 10-30 nM in the embodiment of the invention, and the root system configuration is poor;
in the comparative example 5, the concentration of the added NaSH is 35nM, which is larger than the range of 10-30 nM in the embodiment of the invention, and the root system configuration is poor;
the integrated nanny-style flue-cured tobacco nutrition block of the embodiment 1-embodiment 3 has a good root system configuration.
Finally, it should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. The utility model provides an integration nurse formula flue-cured tobacco nutrition piece which characterized in that, integration nurse formula flue-cured tobacco nutrition piece includes:
the base nutrition block comprises the following components in parts by weight: 900-1100 parts of seedling raising matrix, 900-1100 parts of decomposed bagasse, 10-15 parts of nonionic polyacrylamide and 100-140 parts of controlled release fertilizer;
the top nutrition block is positioned on the upper part of the base nutrition block and integrally formed with the base nutrition block, and the height ratio of the base nutrition block to the top nutrition block is as follows: (3.5-4.5): (1.5-2.5); the top nutrition block comprises the following components in parts by weight: 900-1100 parts of seedling raising matrix and 900-1100 parts of decomposed bagasse;
tobacco seeds embedded within the top nutritive block.
2. The integrated nursery cured tobacco nutrition block according to claim 1, wherein the base nutrition block comprises the following components in parts by weight: 950-1050 parts of seedling raising matrix, 950-1050 parts of decomposed bagasse, 12-14 parts of non-ionic polyacrylamide and 110-130 parts of controlled release fertilizer;
the top nutrition block comprises the following components in parts by weight: 950-1050 parts of seedling raising substrate and 950-1050 parts of decomposed bagasse.
3. The integrated nanny flue-cured tobacco nutrition block of claim 1, wherein the height ratio of the base nutrition block to the top nutrition block is 2: 1.
4. the integrated nursery cured tobacco nutrition block according to claim 1, wherein the seedling raising substrate comprises in weight fraction: 6-8 parts of turf, 3-5 parts of vermiculite and 1-2 parts of perlite.
5. The integrated nanny flue-cured tobacco nutrition block according to claim 1, wherein the weight ratio of nitrogen, potassium and phosphorus of the controlled release fertilizer is as follows: 20: 10: 20.
6. a method of making an integrated nanny flue-cured tobacco nutrition block according to any one of claims 1 to 5, comprising:
uniformly mixing and pressing 900-1100 parts by weight of seedling raising matrix, 900-1100 parts by weight of decomposed bagasse, 10-15 parts by weight of nonionic polyacrylamide and 100-140 parts by weight of controlled release fertilizer to obtain a base nutrition block;
uniformly mixing 900-1100 parts by weight of seedling raising matrix and 900-1100 parts by weight of decomposed bagasse, putting the mixture on a base nutrition block, and integrally pressing to obtain a top nutrition block;
and embedding tobacco seeds in the top nutrient block to obtain the integrated nanny-type flue-cured tobacco nutrient block.
7. A method of growing tobacco seedlings using the integrated nursery cured tobacco nutrition block of any one of claims 1-5, comprising:
placing the integrated baomu-type flue-cured tobacco nutrition block as claimed in any one of claims 1 to 5 into a seedling raising plug and into a seedling raising pond, and adding water to the seedling raising pond to a depth of 1.2 to 1.8 cm;
adding NaSH into the seedling raising pond after the tobacco cross stage, and then adding NaSH into the seedling raising pond on the 5 th day and the 10 th day respectively;
and after the tobacco cross stage, supplementing water when the water in the seedling raising pond is completely dried and the water content of the seedling substrate is lower than 70%.
8. The integrated nursery cured tobacco nutritive block according to claim 7, wherein the final concentration of NaSH is 10-30 nM for each addition.
9. The integrated nursery cured tobacco nutrition block according to claim 7, wherein the water depth in the nursery pond is maintained between 1.4 and 1.6 cm.
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Application publication date: 20211102 |