CN112400437A - Simple and efficient flue-cured tobacco organic fertilizer application method - Google Patents
Simple and efficient flue-cured tobacco organic fertilizer application method Download PDFInfo
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
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- A01C21/00—Methods of fertilising, sowing or planting
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- A—HUMAN NECESSITIES
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Abstract
The invention relates to the technical field of flue-cured tobacco planting. The invention provides a simple and efficient flue-cured tobacco organic fertilizer application method, according to the application amount of 40-60 kg of organic fertilizer per mu, 40-60 wt% of organic fertilizer is used as base fertilizer, and the rest organic fertilizer is applied for 1-2 times during intertillage ridging. The fertilizing method is simple and convenient to operate, and labor cost can be reduced; through the step-by-step fertilization, the early growth of tobacco in the field can be remarkably promoted, the yield of the tobacco is effectively improved, the quality of the tobacco is improved, the produced flue-cured tobacco has good chemical component coordination and appropriate sugar-base ratio, and the flue-cured tobacco has good economic benefit.
Description
Technical Field
The invention relates to the technical field of flue-cured tobacco planting, in particular to a simple and efficient flue-cured tobacco organic fertilizer application method.
Background
With the development of modern agriculture and the pursuit of people for high yield of crops, a great amount of pesticides and fertilizers in soil are applied, a series of problems such as soil hardening and acidification are caused, and soil conservation becomes a major problem at present. At present, methods for improving soil include deep ploughing, green manure ploughing and pressing, straw returning and the like, wherein the application of organic fertilizers for improving soil is the most direct and most easily accepted technical measure. The organic fertilizer can reduce the soil hardening phenomenon, improve the growth of soil microorganisms, improve the water and fertilizer retention capacity of soil, improve the physical and chemical properties of soil and improve the quality of tobacco leaves.
The effect of organic fertilizer on the production of flue-cured tobacco is undoubted. At present, in the production of flue-cured tobacco, the application of organic fertilizer mainly adopts methods of hole application, strip application, broadcast application and the like, the operation is troublesome and labor-consuming, the utilization rate of fertilizer is not high, the labor cost for fertilizer application and the fertilizer cost have larger difference with the improvement of the yield value of flue-cured tobacco, and especially improper application of organic fertilizer also easily causes the problems of seedling burning, green and late maturity of later-stage tobacco plants, difficult baking of tobacco leaves, poor quality of the flue-cured tobacco leaves and the like. Therefore, the application of the organic fertilizer scientifically and reasonably, and the application of the organic fertilizer simply and efficiently become urgent needs of farmers at present.
Disclosure of Invention
The invention aims to provide a simple and efficient flue-cured tobacco organic fertilizer application method, which is scientific, reasonable, simple and efficient in organic fertilizer application.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides a simple and efficient flue-cured tobacco organic fertilizer application method, which comprises the following steps: according to the application amount of 40-60 kg of organic fertilizer per mu, 40-60 wt% of organic fertilizer is used as base fertilizer, and the rest organic fertilizer is applied for 1-2 times in intertillage ridging.
Preferably, the organic fertilizer and the special base fertilizer for tobacco are mixed and applied to the flue-cured tobacco holes when the base fertilizer is applied, and then the fire soil ash is applied to the flue-cured tobacco holes.
Preferably, the organic fertilizer, the special base fertilizer for tobacco and the fire soil ash are mixed when the base fertilizer is applied, and then the mixture is applied to the flue-cured tobacco holes.
Preferably, the mass ratio of the organic fertilizer to the base fertilizer special for tobacco to the fire soil ash is 0.5-1: 1: 10 to 50.
Preferably, the time for applying the base fertilizer is 7-15 days before flue-cured tobacco transplantation.
Preferably, the cultivation hilling is divided into cultivation small hilling and cultivation large hilling.
Preferably, the cultivation time of the small ridging is 7-10 days after flue-cured tobacco transplanting, and the usage amount of the organic fertilizer per mu is 0-36 kg.
Preferably, the time of intertillage and large hilling is 15-25 days after flue-cured tobacco transplanting, and the usage amount of the organic fertilizer per mu is 0-36 kg.
Preferably, the organic fertilizer is applied by ridge surface layer fertilization when intertillage ridging is applied.
The invention provides a simple and efficient flue-cured tobacco organic fertilizer application method, according to the application amount of 40-60 kg of organic fertilizer per mu, 40-60% of organic fertilizer is used as base fertilizer, and the rest organic fertilizer is applied for 1-2 times in intertillage ridging. The fertilizing method is simple and convenient to operate, and labor cost can be reduced; through the step-by-step fertilization, the early growth of tobacco in the field can be remarkably promoted, the yield of the tobacco is effectively improved, the quality of the tobacco is improved, the produced flue-cured tobacco has good chemical component coordination and appropriate sugar-base ratio, and the flue-cured tobacco has good economic benefit.
Detailed Description
The invention provides a simple and efficient flue-cured tobacco organic fertilizer application method, which comprises the following steps: according to the application amount of 40-60 kg of organic fertilizer per mu, 40-60 wt% of organic fertilizer is used as base fertilizer, and the rest organic fertilizer is applied for 1-2 times in intertillage ridging.
In the invention, the using amount of the organic fertilizer is preferably 45-55 kg per mu, and more preferably 50kg per mu.
In the present invention, 45 to 55 wt% of an organic fertilizer is preferably used as a base fertilizer, and more preferably 50 wt% of an organic fertilizer is used as a base fertilizer.
In the invention, when the base fertilizer is applied, the organic fertilizer and the base fertilizer special for tobacco are preferably mixed and applied to the flue-cured tobacco hole, and then the fire soil ash is applied to the flue-cured tobacco hole; or preferably, the organic fertilizer, the special base fertilizer for tobacco and the fire soil ash are mixed and then applied to the flue-cured tobacco holes.
In the invention, the mass ratio of the organic fertilizer, the special base fertilizer for tobacco and the fire soil ash is preferably 0.5-1: 1: 10 to 50, preferably 0.7 to 0.8: 1: 20 to 40, and more preferably 0.75: 1: 30.
in the invention, the organic fertilizer is preferably rapeseed cake oil cake organic fertilizer produced by Chenzhou Huaxing fertilizer Co.
In the invention, the base fertilizer special for tobacco is preferably the base fertilizer special for tobacco produced by Hunan Jinye popular science and technology GmbH.
In the invention, the time for applying the base fertilizer is preferably 7-15 days before the flue-cured tobacco is transplanted, more preferably 9-13 days before the flue-cured tobacco is transplanted, and still more preferably 11 days before the flue-cured tobacco is transplanted.
In the present invention, the hole-ring application method is preferably used when applying the base fertilizer.
In the present invention, the cultivation hilling is preferably divided into cultivation small hilling and cultivation large hilling.
In the invention, the time for intertillage small ridging is 7-10 days after flue-cured tobacco transplantation, and more preferably 8-9 days after flue-cured tobacco transplantation.
In the present invention, the amount of the organic fertilizer used per mu in the cultivation of the small-sized hills is preferably 0 to 36kg, more preferably 5 to 25kg, and still more preferably 12.5 kg.
In the invention, the organic fertilizer is covered under the ridge surface soil layer by 3-5 cm preferably, and more preferably 4cm when the small culture soil is intertillage.
In the invention, the time for intertillage and large hilling is 15-25 days after the flue-cured tobacco is transplanted, and more preferably 20 days after the flue-cured tobacco is transplanted.
In the present invention, the amount of the organic fertilizer used per mu in the cultivation of the large-area hilling is 0 to 36kg, more preferably 5 to 25kg, and still more preferably 12.5 kg.
In the invention, during the intertillage and large hilling, the organic fertilizer is preferably covered under the ridge surface soil layer by 5-8 cm, and more preferably 6-7 cm.
In the invention, the organic fertilizer is preferably applied by ridge surface layered fertilization when intertillage ridging is carried out.
The method for applying the organic fertilizer provided by the present invention is described in detail with reference to the following examples, but they should not be construed as limiting the scope of the present invention.
Example 1
(1) According to the application amount of 40kg of organic fertilizer per mu, 60 wt% of organic fertilizer is applied as base fertilizer 7 days before flue-cured tobacco transplantation, a hole-ring application method is adopted when the base fertilizer is applied, and according to the mass ratio of the organic fertilizer to the base fertilizer special for tobacco to the fire soil ash of 0.5: 1: 10, firstly, mixing an organic fertilizer and a special base fertilizer for tobacco, applying the mixture to a flue-cured tobacco pit, and then applying fire soil ash to the flue-cured tobacco pit;
(2) carrying out intertillage small ridging 7 days after the flue-cured tobacco is transplanted, and applying no organic fertilizer during the small ridging;
(3) carrying out intertillage and large ridging 15 days after the flue-cured tobacco is transplanted, combining the intertillage and large ridging, broadcasting organic fertilizer around the flue-cured tobacco roots according to the use amount of 16kg of organic fertilizer per mu, and covering the large ridging 5cm below a ridge surface soil layer after broadcasting.
Example 2
(1) According to the application amount of 50kg of organic fertilizer per mu, 50 wt% of organic fertilizer is applied as base fertilizer 10 days before flue-cured tobacco transplantation, a hole-ring application method is adopted when the base fertilizer is applied, and according to the mass ratio of the organic fertilizer to the base fertilizer special for tobacco to the fire soil ash of 0.75: 1: 30, firstly, mixing the organic fertilizer and the special base fertilizer for the tobacco, applying the mixture to a flue-cured tobacco hole, and then applying the fire soil ash to the flue-cured tobacco hole;
(2) carrying out intertillage small ridging 9 days after the flue-cured tobacco is transplanted, and broadcasting organic fertilizer around the flue-cured tobacco roots according to the use amount of 12.5kg of organic fertilizer per mu in combination with the intertillage small ridging, wherein the small ridging covers 4cm below a ridge surface soil layer after broadcasting;
(3) and (3) intertillage and large ridging are carried out 20 days after the flue-cured tobacco is transplanted, organic fertilizers are spread around the flue-cured tobacco roots according to the use amount of 12.5kg of organic fertilizers per mu in combination with the intertillage and large ridging, and the large ridging covers 7cm below a ridge surface soil layer after spreading.
Example 3
(1) According to the application amount of 60kg of organic fertilizer per mu, applying 40 wt% of organic fertilizer as base fertilizer 15 days before flue-cured tobacco transplanting, and applying the base fertilizer by adopting a hole-ring application method, wherein according to the mass ratio of the organic fertilizer to the base fertilizer special for tobacco to the fire soil ash of 1: 1: 50, firstly, mixing the organic fertilizer and the special base fertilizer for the tobacco, applying the mixture to a flue-cured tobacco hole, and then applying the fire soil ash to the flue-cured tobacco hole;
(2) carrying out intertillage ridging 10 days after the flue-cured tobacco is transplanted, and broadcasting organic fertilizer around the flue-cured tobacco roots according to the use amount of 36kg of organic fertilizer per mu in a mode of applying fertilizer layer by layer on the ridge surface by combining the intertillage ridging, wherein the small ridging covers 5cm below the soil layer on the ridge surface after the broadcasting;
(3) intertillage and large hilling are carried out 25 days after the flue-cured tobacco is transplanted, and organic fertilizer is not applied during large hilling.
Example 4
(1) According to the application amount of 50kg of organic fertilizer per mu, 50 wt% of organic fertilizer is applied as base fertilizer 11 days before flue-cured tobacco transplanting, a hole-ring application method is adopted when the base fertilizer is applied, and according to the mass ratio of the organic fertilizer to the base fertilizer special for tobacco to the fire soil ash of 0.8: 1: 40, mixing the organic fertilizer, the special base fertilizer for tobacco and the fire soil ash, and applying the mixture to a flue-cured tobacco hole;
(2) carrying out intertillage small ridging 9 days after the flue-cured tobacco is transplanted, and broadcasting organic fertilizer around the flue-cured tobacco roots according to the use amount of 12.5kg of organic fertilizer per mu in combination with the intertillage small ridging, wherein the small ridging covers 4cm below a ridge surface soil layer after broadcasting;
(3) and (3) intertillage and large ridging are carried out 20 days after the flue-cured tobacco is transplanted, a mode of applying fertilizer layer by layer on the ridge surface is adopted in combination with the intertillage and large ridging, organic fertilizer is spread around the flue-cured tobacco roots according to the use amount of 12.5kg of organic fertilizer per mu, and the large ridging covers 7cm below the soil layer on the ridge surface after spreading.
Test example 1
Test site: the test land is arranged in a yellow, loyal and precious tobacco field in the yellow sand town rhubarb village, the area is 5 mu, the newly-finished tobacco field is tied, the ground is smooth, the irrigation and drainage are convenient, and the test land has the representativeness of finishing the tobacco field. Test variety yunyan 87, test fertilizer: the organic fertilizer, the base fertilizer special for tobacco, the additional fertilizer special for tobacco and the seedling raising fertilizer are all provided by tobacco companies.
And (3) experimental design: the organic fertilizer application adopts hole application and hole application plus ridge surface application, and relates to 2 modes of one-time application and two-time layered application, 4 treatments are set in the test, the test adopts random block arrangement, each treatment is set for 3 times of repetition, the area of a cell is 100 square meters, and 150 tobacco plants are planted. The row spacing is 1.2m, and the plant spacing is 0.5 m. The nitrogen application amount of the test field is 157.5kg/hm2，N：P2O5：K2O is 1: 1: 2.8. the block and the district adopt 'square block and long district', the same ground force in the same repetition is achieved, and protection rows are arranged around the block and the district. The specific combinations are shown in table 1:
TABLE 1
Fertilizing operation: the depth of hole fertilization is 15cm, and tobacco is planted after the fertile soil is stirred; when the ridge surface fertilizer is applied to the tobacco ridges, the soil is hilled slightly, and the rainwater loss of the fertilizer is reduced.
The specific operation method of 7.5 kg/mu of seedling-raising fertilizer, 15 kg/mu of potassium sulfate and 50 kg/mu of special tobacco topdressing dosage is as follows: and 2.5 kg/mu of seedling raising fertilizer is applied 7 days after transplantation, 5 kg/mu of seedling raising fertilizer is applied 15 days after transplantation, 20 kg/mu of tobacco special topdressing is applied 25 days after transplantation, 20 kg/mu of tobacco special topdressing and 5 kg/mu of potassium sulfate are applied 35 days after transplantation, and 10 kg/mu of tobacco special topdressing and 10 kg/mu of potassium sulfate are applied 45 days after transplantation.
The special base fertilizer for tobacco is produced by Hunan Jinye popular science and technology corporation.
The seedling raising fertilizer is produced by Chenzhou city gold land fertilizer limited company.
The special tobacco topdressing is produced by Hunan Jinye popular science and technology corporation.
Cultivation management: the field management is carried out according to the production standardization requirements, and all the farm work operations are timely and consistent.
Calculating the utilization rate of the fertilizer: collecting 5 tobacco plants in the mature period of flue-cured tobacco, and using H after deactivation of enzymes2SO4-mixed accelerator-distillation method for measuring plant total nitrogen. And calculating the utilization rate of the nitrogen of the fertilizer by adopting a subtraction method.
The nutrient content of the tobacco plants treated in different ways is measured, the measurement result of the nutrient content (g/plant) of the whole tobacco in the maturation period is shown in table 2, and the measurement result of the utilization rate (%) of the fertilizer treated in different ways in the maturation period is shown in table 3:
TABLE 2
| Treatment of | Total nitrogen | All-phosphorus | Total potassium |
| CK1 | 4.56 | 0.63 | 6.81 |
| T1 | 4.64 | 0.66 | 9.19 |
| T2 | 5.00 | 0.69 | 9.85 |
| CK2 | 2.78 | 0.39 | 5.08 |
TABLE 3
The result shows that the nitrogen fertilizer utilization rate of tobacco plants under different application modes of the organic fertilizer is the highest by the treatment of T2, the improvement is 4.56 percent compared with a control, and the nitrogen fertilizer utilization rate of different treatments is T2 > T1 > CK 1.
The utilization rate of the tobacco plant potassium fertilizer and the phosphate fertilizer can be obviously improved by applying the organic fertilizer in different fertilizing modes, the utilization rate of the potassium fertilizer and the phosphate fertilizer treated by T2 is the highest, compared with the utilization rate of the potassium fertilizer treated by contrast, the utilization rate is improved by 12.16%, and the utilization rates of the potassium fertilizer treated by different methods are sequentially T2, T1 and CK 1; compared with the contrast treated phosphate fertilizer, the utilization rate of the T2 is improved by 0.67 percent, and the utilization rates of the different treated phosphate fertilizers are sequentially T2 > T1 > CK 1; therefore, the hole application and ridge surface layered fertilization method can improve the utilization rate of the flue-cured tobacco fertilizer.
Test example 2
Test site: the flue-cured tobacco base of Yanzhou city of Guiyang county of Chenzhou, Hunan province is a tobacco base of Yanzhou village, the test field is a tobacco area arranged in the soil, the ground is smooth, the irrigation and drainage are convenient, the fertility is moderate, and the previous crop is rice. The basic physicochemical properties of the soil to be tested are shown in table 4:
TABLE 4
Flue-cured tobacco variety: and (4) cloud smoke 87.
The organic fertilizer is rapeseed cake oil cake organic fertilizer, N + P2O5+K2O is more than or equal to 8 percent; organic matter is more than or equal to 45 percent and is produced by Huaxing fertilizer Co., Ltd, Chenzhou, Hunan province.
And (3) experimental design: the experiment was performed with 4 treatments as follows: t1: adopting a 101 fertilization method, wherein T2: by the method of hole-ring application, T3: by adopting the hole ring fertilization and ridge surface layered fertilization method of example 2, CK: no organic fertilizer is applied for treatment. Each treatment method is repeated for 3 times, 12 cells are provided in total, the area of each cell is 0.5 mu, the application amount of the organic fertilizer is 50 kg/mu, pure nitrogen is 10.5 kg/mu, the ratio of nitrogen to phosphorus to potassium is 1: 1: 2.7.
the application operation method comprises the following steps: fertilizing 101, and applying the fertilizer once in 10 days before transplanting; the method of hole-ring fertilization and ridge surface layered fertilization is the same as the embodiment 2; and (4) hole-ring application, wherein the hole-ring application is centralized for one time 10 days before transplanting.
And the ridging time after the deep ploughing is that the deep ploughing is completed before 12 months, and the ridging is performed in 2 months or about 15 days before transplanting. Other farming operations are carried out according to the requirements of local high-quality flue-cured tobacco cultivation technical regulations.
Measurement items and methods: determining the agronomic characters of the treated tobacco plant such as plant height, stem circumference, maximum leaf length, leaf width and the like in the mature period of the tobacco plant by referring to a YC/T142-2010 tobacco agronomic character survey and measurement method; and (3) registering, harvesting and baking the flue-cured tobacco when the flue-cured tobacco is mature, and calculating the yield and the output value of each district, the upper and middle tobacco proportions and the average price according to the national flue-cured tobacco grading standard.
And (4) analyzing results:
the effect on the growth period and the agronomic traits of the flue-cured tobacco is shown in table 5:
TABLE 5
As can be seen from Table 5, the field growth period of each comparative experiment was about 114 d. Different fertilizing methods are adopted to match with the same soil improvement measures, so that the influence on the growth period of the field is small.
The main agronomic traits 10 days after topping are reported in table 6:
TABLE 6
The soil improvement measures matched with different organic fertilizers have obvious influence on the agronomic traits of the flue-cured tobacco in the field, and as can be seen from the table 6, no matter which fertilization method is adopted, the flue-cured tobacco treated by the organic fertilizer applied in an increasing way is obviously superior to the control treatment in the aspects of leaf length, leaf width, plant height, stem circumference and the like, and the influence difference on the agronomic traits of the flue-cured tobacco is small between the treatments by different organic fertilizer application methods.
The quality of the raw tobacco appearance is shown in table 7:
TABLE 7
As can be seen from Table 7, the application of different fertilization methods has a certain effect on the appearance quality of the flue-cured tobacco leaves. For the tobacco leaves at the same position, the tobacco leaves adopting a 101 fertilization mode and a hole-ring fertilization and ridge surface layered fertilization method have the best quality. Comparing the T1, T2 and T3 with the control group, the maturity, luster, oil content and leaf structure in the upper leaves are all consistent, and the difference is that the T1 and T3 are orange, and the T2 and CK control group is orange and light orange; in the middle leaf, the T1 and T3 are orange yellow, and the T2 and CK control group has orange yellow with slight mottle; the T1, T2 and T3 in the lower lobe have strong luster, while the CK group tobacco has middle luster, and the T1 is separated from the T2 and the T3 group oil.
The main economic trait statistics are shown in table 8:
TABLE 8
According to the table 8, the yield of the tobacco leaves can be obviously improved by applying the organic fertilizer on the acre yield, the yield of the tobacco leaves is respectively 156.81 kg/acre and 156.94 kg/acre by adopting the 101 fertilization method and the hole ring fertilization and ridge surface layered fertilization method, and the yield of the tobacco leaves treated by contrast is 145.26 kg/acre. In the aspect of price equalization, the hole-ring fertilization method and the ridge surface layered fertilization method are also superior to the hole-ring fertilization method, and the hole-ring fertilization method respectively achieves 33.26 yuan/kg and 33.32 yuan/kg, while the contrast treatment is 31.87 yuan/kg.
In the aspect of yield per mu, T1 and T3 are the highest and reach 5215.50 yuan/mu and 5229.24 yuan/mu, the yield is respectively 340.77 yuan/mu and 354.51 yuan/mu higher than that of T2, and 586.07 yuan/kg and 599 yuan/kg are more than that of control CK, and the economic benefit difference is obvious. The analysis of variance results show that: mu yield values T1 and T3 treatment did not differ significantly.
In each fertilization method, the first smoke proportion of T1, T2 and T3 is more than 83%; in terms of single leaf weight, T1 > T3 > T2 > CK.
The fertilization labor cost analysis is shown in table 9:
TABLE 9
From hole application of base fertilizer, fertilization is carried out 7 times in the whole tobacco growing period, a demonstration area for applying the organic fertilizer in an increasing mode by adopting a 101 fertilization method is adopted, compared with a control area without applying the organic fertilizer, the labor for applying the organic fertilizer in the demonstration area per mu is increased by 0.8, and the cost is increased by 104 yuan per mu; the mu labor cost is only increased by 0.1 by adopting the hole application and ridge surface layered fertilization method, and the mu labor cost is only increased by 13 yuan/mu.
And (4) conclusion:
the application of the biological organic fertilizer can obviously promote the early growth of the tobacco leaves in the field, the early growth potential is enhanced, the growth period of the field is prolonged, the top leaves on the upper part are well opened, the tobacco leaf aging resistance is improved, and the leaf color uniformity and the glossiness are enhanced; the application of organic fertilizer can obviously increase the weight of each tobacco leaf per unit area and improve the yield per unit area and the yield per mu.
From comprehensive evaluation of growth period, agronomic character, maturity performance and economic character of the field, the application method of 101 and the hole-ring application and ridge surface layered application method have better effect than the hole-ring application method. The fertilizer application method 101, the hole-ring fertilization and the ridge-surface layered fertilization method play a role of a fertilizer effect factor of a fertilizer application position, the fertilizer application position is proper, nutrition absorption of a root system is facilitated, and the root system extending direction and the root system fertilizer tendency are utilized.
The hole-ring fertilization and ridge surface layered fertilization method is an effective measure for light, simple and efficient fertilization in a tobacco sorting area of organic fertilizer improved land, and is comprehensively considered from the aspect of labor cost.
According to the embodiment, the invention provides a simple and efficient flue-cured tobacco organic fertilizer application method, 40-60% of organic fertilizer is used as base fertilizer according to the application amount of 40-60 kg of organic fertilizer per mu, and the rest organic fertilizer is applied for 1-2 times in intertillage ridging. The fertilizing method is simple and convenient to operate, and labor cost can be reduced; through the step-by-step fertilization, the early growth of tobacco in the field can be remarkably promoted, the yield of the tobacco is effectively improved, the quality of the tobacco is improved, the produced flue-cured tobacco has good chemical component coordination and appropriate sugar-base ratio, and the flue-cured tobacco has good economic benefit.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A simple and efficient flue-cured tobacco organic fertilizer application method is characterized by comprising the following steps: according to the application amount of 40-60 kg of organic fertilizer per mu, 40-60 wt% of organic fertilizer is used as base fertilizer, and the rest organic fertilizer is applied for 1-2 times in intertillage ridging.
2. The method for applying the organic fertilizer to the flue-cured tobacco according to claim 1, wherein the base fertilizer is applied by mixing the organic fertilizer with the base fertilizer special for the tobacco and then applying the fire soil ash in the flue-cured tobacco pit.
3. The method for applying the organic fertilizer to the flue-cured tobacco according to claim 1, wherein the organic fertilizer, the special base fertilizer for the tobacco and the fire clay ash are mixed before applying the base fertilizer to the flue-cured tobacco pit.
4. The simple and efficient flue-cured tobacco organic fertilizer application method according to claim 2 or 3, characterized in that the mass ratio of the organic fertilizer, the base fertilizer special for tobacco and the fire clay ash is 0.5-1: 1: 10 to 50.
5. The simple and efficient flue-cured tobacco organic fertilizer application method as claimed in claim 4, characterized in that the time for applying the base fertilizer is 7-15 days before flue-cured tobacco transplantation.
6. The method for applying the flue-cured tobacco organic fertilizer as claimed in claim 5, wherein the cultivation hilling is divided into cultivation small hilling and cultivation large hilling.
7. The method for applying the organic fertilizer to the flue-cured tobacco, which is simple and efficient, according to claim 6, is characterized in that the cultivation period of the small ridging is 7-10 days after the flue-cured tobacco is transplanted, and the amount of the organic fertilizer used per mu is 0-36 kg.
8. The method for applying the organic fertilizer to the flue-cured tobacco, which is simple and efficient, according to claim 7, is characterized in that the cultivation time of the large hilling is 15-25 days after the flue-cured tobacco is transplanted, and the application amount of the organic fertilizer per mu is 0-36 kg.
9. The method for applying the flue-cured tobacco organic fertilizer as claimed in claim 8, wherein the organic fertilizer is applied by ridge surface layer fertilization during intertillage ridging.
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