Soil testing and formulated fertilization method

A technology of soil testing formula fertilization and fertilization amount, which is applied in the field of plant cultivation to achieve the effect of improving utilization rate, maintaining soil health and increasing soil fertility

Inactive Publication Date: 2017-08-11
吉林慧谷生态农业科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In view of the fact that conventional soil testing and formula fertilization methods are difficult to apply in soybean production and these new trends in fa...

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Embodiment 1 A kind of soybean soil testing formula fertilization method

[0030] A kind of soybean soil testing formula fertilization method, the method comprises the steps:

[0031] 1) Take soil in the east, west, south, north, and middle areas of the planting area with a planting area of ​​one mu, remove the topsoil cover, then dig into a section, and take soil evenly according to the soil layer, and the soil depth is 20cm ;Mix the soil samples in each area, and then use the quartering method to reduce the number of soil samples item by item to obtain 1kg of test soil samples;

[0032] 2) put the test soil sample into a clean room ventilated place to dry naturally, and pulverize; then detect the pH value of the test soil sample to be 8, organic matter content 1% and effective N content 112mg / kg, P content 9.1mg / kg kg, K content 105mg / kg;

[0033] 3) Determine the target yield of soybeans per unit area according to the average yield of soybean varieties planted in t...

Embodiment 2

[0043] Embodiment 2 A kind of soybean soil testing formula fertilization method

[0044] A kind of soybean soil testing formula fertilization method, the method comprises the steps:

[0045]1) Take soil in the east, west, south, north, and middle areas of the planting area with a planting area of ​​one mu, remove the topsoil cover, then dig into a section, and take soil evenly according to the soil layer, and the soil depth is 20cm ;Mix the soil samples in each area, and then use the quartering method to reduce the number of soil samples item by item to obtain 1kg of test soil samples;

[0046] 2) Put the test soil sample into a clean room ventilated place to dry naturally, and pulverize; then detect the pH value of the test soil sample to be 7, the content of organic matter 0.87% and the content of available N, P, K: effective N Content 116.6mg / kg, P content 9.3mg / kg, K content 102mg / kg;

[0047] 3) Determine the target yield of soybeans per unit area according to the avera...

Embodiment 3

[0058] Embodiment 3 A kind of soybean soil test formula fertilization method

[0059] A kind of soybean soil testing formula fertilization method, the method comprises the steps:

[0060] 1) Take soil in the east, west, south, north, and middle areas of the planting area with a planting area of ​​one mu, remove the topsoil cover, then dig into a section, and take soil evenly according to the soil layer, and the soil depth is 20cm ;Mix the soil samples in each area, and then use the quartering method to reduce the number of soil samples item by item to obtain 1kg of test soil samples;

[0061] 2) Put the test soil sample into a clean room ventilated place to dry naturally, and pulverize; then detect the pH value of the test soil sample to be 6, the organic matter content 0.9% and the content of available N, P, and K in the effective N content 118.8mg / kg, P content 8.9mg / kg, K content 105mg / kg;

[0062] 3) Determine the target yield of soybeans per unit area according to the a...

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PUM

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Abstract

The invention discloses a soil testing and formulated fertilization method. The method comprises the following steps that soil is taken from the five eastern, western, southern and northern areas in planting land respectively, soil samples in the areas are evenly mixed, and then the soil sample quantity is decreased term by term by using a quartering method to obtain a test soil sample; the test soil sample is preprocessed, and then the pH value, organic matter content and quick-acting N, P and K content of the test soil sample are detected; the target soybean yield per unit area is determined; the test soil sample is adjusted to the fertilization amount required by healthy soil through calculation; the fertilization amount of loess per unit area is calculated; a topdressing period and the proportion of base fertilizers and topdressing in the total fertilization amount are determined. The soil testing and formulated fertilization method is simple and easy to operate, only the nutrient content of soil is required to be determined, current-season production can be guided through soil detection, and labor and time are saved. By adopting the method, the fertilizer utilization rate is improved, fertilizers are saved, soil fertility is increased, and soil pollution caused by improper fertilization is reduced.

Description

technical field [0001] The invention relates to the technical field of plant cultivation. More specifically, it relates to a soybean soil testing formula fertilization method. Background technique [0002] Soil testing formula fertilization is based on soil test and fertilizer field test, according to the law of crop fertilizer demand, soil fertilizer supply performance and fertilizer effect, and on the basis of rational application of organic fertilizers, it proposes nitrogen, phosphorus, potassium and medium and trace elements, etc. Fertilizer application amount, fertilization period and application method. In layman's terms, it is scientific application of formula fertilizer under the guidance of relevant basic agricultural theories. The core of soil testing and formula fertilization technology is to adjust and solve the contradiction between crop fertilizer demand and soil fertilizer supply. At the same time, it supplements the nutrient elements required by crops in a...

Claims

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Application Information

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IPC IPC(8): A01C21/00
CPCA01C21/007
Inventor 阮少范宋连彬王丽梅
Owner 吉林慧谷生态农业科技有限公司
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