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Soil testing and fertilization method for peanuts

A technology of soil testing and fertilization and peanut application in the fields of fertilization methods, fertilization devices, botanical equipment and methods, etc., which can solve problems such as unreasonable nutrient input, soil nutrient loss, and imbalance of nitrogen, phosphorus and potassium ratios, and achieve reasonable fertilization methods Effect

Inactive Publication Date: 2012-08-29
招远市农业技术推广中心
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, in my country's agricultural fertilization, especially peanut fertilization, most farmers do not understand the soil nutrient status and the law of peanut fertilizer requirements, and follow the customary fertilization mode: the nutrient input of most farmers is unreasonable, the ratio of nitrogen, phosphorus and potassium is out of balance, and chemical fertilizers are reapplied. Fertilize in one batch. Before sowing, all fertilizers are applied at the base. The fertilizer varieties are mainly ammonium bicarbonate and (15-15-15) compound fertilizer. Under this customary fertilization mode, the peanut yield is 150-300kg / mu, and the fertilizer utilization The utilization rate of nitrogen fertilizer is 21%, that of phosphate fertilizer is 18%, and that of potassium fertilizer is 46.5%. The proportion of nutrients is not coordinated, and the method is improper, which causes soil nutrient loss, imbalance, non-point source pollution, and soil acidification is getting worse

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] ①Soil nutrient testing:

[0023] 1) Sampling: After the peanuts are harvested, select a peanut field with an area of ​​2-10 mu, follow the S-shaped route, and follow the principles of "random", "equal volume" and "multi-point mixing", the sampling of each sample Point 15-20 sample points, sampling depth 0-20cm, take 1kg sample according to the quartering method, GPS locates the longitude and latitude of sampling, fills in the questionnaire, and makes sure that the sampling site is consistent with the fertilization site;

[0024] 2) Detection: dry the soil samples, perform pretreatment, and use conventional analysis methods to detect soil pH, organic matter, alkali-hydrolyzed nitrogen, available phosphorus, available potassium, and available molybdenum. Acid potassium method, alkaline hydrolysis diffusion method was used for the determination of alkaline nitrogen, molybdenum antimony anti-colorimetric method was used for determination of available phosphorus, ammonium ac...

Embodiment 2

[0036] ①Soil nutrient testing:

[0037] 1) Sampling: After the peanuts are harvested, select a peanut field with an area of ​​2-10 mu, follow the S-shaped route, and follow the principles of "random", "equal volume" and "multi-point mixing", the sampling of each sample Point 15-20 sample points, sampling depth 0-20cm, take 1kg sample according to the quartering method, GPS locates the longitude and latitude of sampling, fills in the questionnaire, so that the sampling site is consistent with the fertilization site;

[0038] 2) Detection: dry the soil samples, perform pretreatment, and use conventional analysis methods to detect soil pH, organic matter, alkali-hydrolyzed nitrogen, available phosphorus, available potassium, and available molybdenum. Acid potassium method, alkaline hydrolysis diffusion method was used for the determination of alkaline nitrogen, molybdenum antimony anti-colorimetric method was used for determination of available phosphorus, ammonium acetate was us...

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Abstract

The invention relates to a soil testing and fertilization method for peanuts. The method scientifically and reasonably adjusts the compounding ratio of nitrogen, phosphorus and potassium and coordinates the proportion of nitrogen, phosphorus and potassium in soil nutrient through soil nutrient test, fertilizer application rate calculation and fertilization steps. The method provided by the invention increases the average utilization rate of fertilizer by more than 3%, does not cause loss and imbalance of soil nutrients, non-point pollution and soil acidification and increases peanut yield, and is especially suitable for fertilization in the peanut field.

Description

Technical field: [0001] The invention relates to a method for soil testing and fertilization, in particular to a soil testing and fertilization method for peanuts. Background technique: [0002] At present, in my country's agricultural fertilization, especially peanut fertilization, most farmers do not understand the soil nutrient status and the law of peanut fertilizer requirements, and follow the customary fertilization mode: the nutrient input of most farmers is unreasonable, the ratio of nitrogen, phosphorus and potassium is out of balance, and chemical fertilizers are reapplied. Fertilize in one batch. Before sowing, all fertilizers are applied at the base. The fertilizer varieties are mainly ammonium bicarbonate and (15-15-15) compound fertilizer. Under this customary fertilization mode, the peanut yield is 150-300kg / mu, and the fertilizer utilization The utilization rate of nitrogen fertilizer is 21%, that of phosphate fertilizer is 18%, and that of potassium fertilizer...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01C21/00A01G1/00G01N33/24
Inventor 陈建友周海燕孙常刚王茂勇赵全桂高坤金刘霞李金荣王旭芳冷德训刘美琳吕世祝
Owner 招远市农业技术推广中心
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