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Water and fertilizer integration fertigation method for tomatoes

A technology of drip irrigation and fertilization, water and fertilizer, applied in the direction of fertilization method, fertilization device, fertilizer mixture, etc., can solve the problems of affecting crop yield and quality, polluting the environment, organic fertilizer formula, nutrient waste, etc., to improve fertilizer efficiency and tomato output and quality, Effect of improving crop quality and reducing environmental pollution

Inactive Publication Date: 2015-05-06
COTTON RES INST SHANXI ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems of nutrient waste, environmental pollution and unreasonable organic fertilizer formula affecting crop yield and quality in the existing method of applying organic fertilizer at the bottom of one time, the present invention provides a tomato water and fertilizer integrated drip irrigation and fertilization method

Method used

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  • Water and fertilizer integration fertigation method for tomatoes
  • Water and fertilizer integration fertigation method for tomatoes
  • Water and fertilizer integration fertigation method for tomatoes

Examples

Experimental program
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Effect test

Embodiment 1

[0023] The tomato water and fertilizer integrated drip irrigation and fertilization method adopts the following steps: a, before planting, apply phosphorus, nitrogen and potassium, the mass percentage of phosphorus accounting for the total phosphorus amount is 55%, and the mass percentage of nitrogen and potassium accounting for its total amount is 12% respectively. %; b. Apply 40 liters of organic-inorganic compound fertilizer per acre with drip irrigation every 5 days at the seedling stage, middle stage, and later stage, and apply 5 times at the seedling stage, middle stage, and later stage; c. Apply at the seedling stage The organic-inorganic compound fertilizer is composed of components with the following concentrations: urea 105g / L, potassium dihydrogen phosphate 35g / L, biochemical potassium fulvic acid 240g / L, chicken manure liquid 480g / L; The organic-inorganic compound fertilizer is composed of components with the following concentrations: urea 125g / L, potassium dihydrog...

Embodiment 2

[0026] The tomato water and fertilizer integrated drip irrigation and fertilization method adopts the following steps: a, before field planting, apply phosphorus, nitrogen and potassium, the mass percentage of phosphorus accounting for the total phosphorus amount is 60%, and the mass percentage of nitrogen and potassium accounting for its total amount is 13% respectively. %; b. Apply 40 liters of organic-inorganic compound fertilizer per acre with drip irrigation every 7 days at the seedling stage, middle stage, and later stage, and apply 6 times at the seedling stage, middle stage, and later stage; c. Apply at the seedling stage The organic-inorganic compound fertilizer is composed of the following concentrations of components: urea 115g / L, potassium dihydrogen phosphate 45 g / L, biochemical potassium fulvic acid 260 g / L, chicken manure liquid 520 g / L; The applied organic-inorganic compound fertilizer is composed of components with the following concentrations: urea 135g / L, pot...

Embodiment 3

[0029] The tomato water and fertilizer integrated drip irrigation and fertilization method adopts the following steps: a, before planting, apply phosphorus, nitrogen and potassium, the mass percentage of phosphorus accounting for the total phosphorus amount is 57%, and the mass percentage of nitrogen and potassium accounting for its total amount is 13% respectively. %; b. Apply 40 liters of organic-inorganic compound fertilizer per acre with drip irrigation every 6 days at the seedling stage, middle stage, and later stage, and apply 6 times at the seedling stage, middle stage, and later stage; c. Apply at the seedling stage The organic-inorganic compound fertilizer is composed of components with the following concentrations: urea 107g / L, potassium dihydrogen phosphate 42g / L, biochemical potassium fulvic acid 257g / L, chicken manure liquid 513g / L; The organic-inorganic compound fertilizer is composed of components with the following concentrations: urea 129g / L, potassium dihydrog...

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Abstract

The invention concretely relates to a water and fertilizer integration fertigation method for tomatoes, aiming at solving the problems that existing organic fertilizer application has nutrient waste and causes environmental pollution, and the crop yield and quality are influenced due to the unreasonable formula of an organic fertilizer. The method comprises the steps of a. before planting, applying phosphorus, nitrogen and potassium; and b. applying organic-inorganic mixed fertilizers during drop irrigation every 5-7 days at the seedling stage, medium period and later period, wherein the organic-inorganic mixed fertilizer per liter applied at the seedling stage is formed by the following components by concentration: 105-115g of urea, 35-45g of potassium dihydrogen phosphate, 240-260g of biochemical fulvic acid potassium and 480-520g of chicken manure liquid, the organic-inorganic mixed fertilizer per liter applied at the medium period contains 125-135g of urea and 85-95g of potassium dihydrogen phosphate, the organic-inorganic mixed fertilizer per liter applied at the later period contains 85-95g of urea and 70-80g of potassium dihydrogen phosphate, and the content of biochemical fulvic acid potassium and chicken manure liquid at the medium period and the later period is equal to that of biochemical fulvic acid potassium and chicken manure liquid at the seedling stage. After the method is used, the available nutrient of the organic fertilizer can be accurately conveyed into the root zones of plants at any time, and the fertilizer efficiency exerting way of the organic fertilizer is changed.

Description

technical field [0001] The invention relates to crop fertilization technology, in particular to a tomato water and fertilizer integrated drip irrigation and fertilization method. Background technique [0002] Excessive application of chemical fertilizers in crop production leads to the decline of crop product quality, poor taste, deterioration of soil texture, pollution of groundwater resources and other disadvantages, which have long been widely recognized by people. Therefore, there is a kind of erroneous thinking that "the more organic fertilizer is applied, the better" in production. Especially in vegetable production, chicken manure, as one of the most common organic fertilizer sources, is usually used as a base fertilizer for excessive, concentrated, and incompletely decomposed and applied at one time. Because it has not been factory-processed and standardized, it not only has a bad smell, but also a large amount of nutrients are slowly released after being applied in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01C21/00C05G1/00
Inventor 席天元赵海祯刘庆华许爱玲雷逢进王雷薛建兵魏国英
Owner COTTON RES INST SHANXI ACAD OF AGRI SCI
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