Method for soil testing and formulated fertilization of tomatoes

A technology of soil testing formula fertilization and tomato application in the direction of fertilization method, fertilization device, application, etc., to achieve the effect of increasing soil fertility, improving utilization rate, and maintaining soil health

Inactive Publication Date: 2014-12-10
YANGZHOU UNIV
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  • Abstract
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AI Technical Summary

Problems solved by technology

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

Method used

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  • Method for soil testing and formulated fertilization of tomatoes
  • Method for soil testing and formulated fertilization of tomatoes
  • Method for soil testing and formulated fertilization of tomatoes

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0031] Embodiment: planting plastic greenhouse tomato in a certain place is example, and greenhouse is long 60m, wide 8m, and planting area is 420.8m 2 , including the following steps:

[0032] 1. Soil nutrient testing

[0033] (1) Sampling: Use S-shaped distribution points in the planting field, take a mixed sample of 10-20 sub-sampling points, the sampling depth is 20cm, and the mixed soil sample is about 1.0 kg.

[0034] (2) Detection: The retrieved soil samples were naturally dried and crushed in a ventilated place in a clean room, and pre-treated to detect the organic matter content and available N, P, and K contents of the soil in the planting field.

[0035] The test results of the soil nutrients in the tomato production area are as follows: the content of organic matter is 0.96% ~1.29%, the content of available nitrogen is 140.63 mg / kg, the content of available phosphorus (calculated as P2O5, the same below) is 14.72 mg / kg, and the content of available potassium is 1...

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Abstract

The invention discloses a method for soil testing and formulated fertilization of tomatoes. The method comprises the steps of firstly, calculating the usage amount of a fertilizer required by a production process of the tomatoes in season in two steps: step one, measuring the content of soil nutrients to ensure that the content of main soil nutrients can be adjusted to a fertilizer usage amount required by a health value, and step two, determining the nutrient amount required to be absorbed by the tomatoes of each season according to a target yield and a specific yield vegetable fertilizer absorption amount of the tomatoes, wherein the sum of the fertilizer usage amount and the nutrient amount is the fertilizer usage amount required to be applied to soil in the cultivation process of the tomatoes of each season; secondly, determining the ratio of a base fertilizer to an additional fertilizer in top dressing period and in the total fertilization amount; and finally, determining a fertilizer formula and a fertilization method for fertilizing the tomatoes in season. Compared with a conventional fertilization method, the novel soil testing and formulated fertilization method is more accurate and reliable, simpler and easier, improves the utilization ratio of fertilizers, saves the fertilizers, increases the fertility of soil, reduces soil pollution caused by improper fertilization and keeps the soil healthy.

Description

technical field [0001] The invention belongs to the technical field of vegetable cultivation, and in particular relates to a tomato soil testing formula fertilization method. Background technique [0002] Facility vegetable cultivation has a high degree of intensification, high cultivation density, high multiple cropping index, relatively airtight production environment, and the amount of fertilizer applied is not easy to leaching. It accumulates in the soil for a long time, which is more likely to lead to deterioration of soil physical and chemical properties and damage to the ecological balance of microorganisms. A series of problems such as destruction of plants, serious pests and diseases, and decline in vegetable quality have seriously affected the sustainable development of the facility vegetable industry. [0003] Soil testing formula fertilization is based on soil testing and fertilizer field experiments, according to crop demand for soil nutrients, soil nutrient sup...

Claims

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Application Information

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IPC IPC(8): A01C21/00
Inventor 张治平缪旻珉许金金宋星星
Owner YANGZHOU UNIV
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