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Facility tomato water fertilizer applying method

A fertilization method and facility technology, applied in fertilization methods, fertilization devices, applications, etc., can solve the problems of poor quality, incomplete dissolution, and unreasonable formula of water-soluble fertilizer, and achieve the effect of promoting growth and reducing waste.

Inactive Publication Date: 2018-04-20
INST OF SOIL & FERTILIZER ANHUI ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Fertilization with water and fertilizer can improve fertilizer utilization efficiency and promote the improvement of vegetable yield and quality, but there are still the following problems: the price of water-soluble fertilizer is high, some water-soluble fertilizers are of poor quality, the dissolution is incomplete, and the formula of water-soluble fertilizer is not reasonable, which affects the effect of drip irrigation

Method used

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  • Facility tomato water fertilizer applying method
  • Facility tomato water fertilizer applying method
  • Facility tomato water fertilizer applying method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] The area of ​​the facility vegetable land is 0.8 mu, and the planting period is 3 years. It has been determined that the soil nutrient content is 1.39g / kg total nitrogen, 127.98mg / kg alkaline nitrogen, 86.2mg / kg available phosphorus, and 223.5mg / kg available potassium.

[0027] Control group 1: fermented chicken manure 3000kg / hm 2 , N-K-P (15%-15%-15%) ternary compound fertilizer 1200kg / hm 2 Base application, topdressing N-K-P (20%-15%-25%) water-soluble fertilizer 360kg / hm at the slow seedling stage, flowering stage and fruiting stage of tomato growth 2 . The total amount of inorganic fertilizer is nitrogen 288kg / hm 2 , phosphorus pentoxide 261kg / hm 2 , potassium oxide 315kg / hm 2 .

[0028] Treatment group 1: fermented chicken manure 3000kg / hm 2, 20% base application of the total amount of urea, ammonium dihydrogen phosphate, and potassium sulfate. Drip irrigation with urea, ammonium dihydrogen phosphate and potassium sulfate topdressing fertilizer 4 times in th...

Embodiment 2

[0034] The area of ​​the facility vegetable land is 0.8 mu, and the planting period is 6 years. It is measured that the soil nutrient content is 1.66g / kg total nitrogen, 136.17mg / kg alkaline nitrogen, 116.8mg / kg available phosphorus, and 383mg / kg available potassium.

[0035] Control group 2: fermented chicken manure 1800kg / hm 2 , N-K-P (15%-15%-15%) ternary compound fertilizer 1200kg / hm 2 Kirsch. Topdressing N-K-P (20%-15%-25%) water-soluble fertilizer 500kg / hm respectively in the slow seedling stage, flowering stage and fruiting stage of tomato growth 2 . The total amount of inorganic fertilizer is 280kg / hm of pure nitrogen 2 , phosphorus pentoxide 255kg / hm 2 , potassium oxide 305kg / hm 2 .

[0036] Treatment group 2: fermented chicken manure 1800kg / hm 2 , 10% base application of the total amount of urea, ammonium dihydrogen phosphate, and potassium sulfate. During the slow seedling stage, flowering stage, fruiting stage and picking stage of tomato growth, urea, ammon...

Embodiment 3

[0042] The area of ​​the facility vegetable land is 0.7 mu, and the planting period is 12 years. It is determined that the organic matter in the soil is 22.32g / kg, the total nitrogen is 2.26g / kg, the total phosphorus is 1.33g / kg, the alkaline nitrogen is 135.52mg / kg, and the available phosphorus is 206.36mg / kg. kg, available potassium 512.64mg / kg.

[0043] Control group 3: fermented chicken manure 1800kg / hm 2 , N-K-P (15%-15%-15%) ternary compound fertilizer 1050kg / hm 2 Kirsch. Topdress N-K-P (20%-15%-25%) water-soluble fertilizer 320kg / hm respectively in the slow seedling stage, flowering stage and fruiting stage of tomato growth 2 . The total amount of inorganic fertilizer is pure N 220kg / hm 2 , P 2 o 5 205.5kg / hm 2 , K 2 O237.5kg / hm 2 .

[0044] Treatment group 3: fermented chicken manure 1800kg / hm 2 , Urea, ammonium dihydrogen phosphate, and potassium sulfate are all used for topdressing. During the slow seedling stage, flowering stage, fruiting stage and picki...

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Abstract

The invention relates to a crop fertilizer applying technique, and provides a facility tomato water fertilizer applying method, which aims at solving the problems of unreasonable tomato fertilizer applying formula, different nutrient contents in the facility vegetable land with different planting ages, and using of empirical fertilizer applying as the main method. The facility tomato water fertilizer applying method is characterized in that organic fertilizers and inorganic fertilizers are applied; all organic fertilizers are used as base fertilizers, and part or all of inorganic fertilizers is used as a topdressing fertilizer; the total applying amount of the inorganic fertilizers is determined according to the age of a facility vegetable land; the total applying amount of the inorganic fertilizers includes the total amount of inorganic fertilizer used as the base fertilizer and the total amount of inorganic fertilizer used as the topdressing fertilizer which are respectively determined according to the age of the facility vegetable land; the topdressing period of the inorganic fertilizers is determined according to the growth and development phase of the tomato. The facility tomato water fertilizer applying method has the advantages that the total applying amount of the inorganic fertilizers in the tomato growth process is reduced, the utilization efficiency of the fertilizers is improved, the waste of the fertilizers is reduced, and the problem of difficulty in control of the existing tomato fertilizer applying method by a farmer is solved.

Description

technical field [0001] The invention relates to crop fertilization technology, in particular to a water and fertilizer fertilization method for facility tomatoes. Background technique [0002] At present, the method of fertilization in protected vegetable fields comes from testing the available nutrients in the soil, understanding the status of soil nutrient content, and fertilizing according to the test data and target yield. However, in actual production, few vegetable farmers understand the soil nutrient content, and it is difficult to base Soil nutrient content and unit output require nutrient amount and target output to calculate the tomato fertilization amount. Therefore, most vegetable farmers mainly use empirical fertilization. Due to the large amount of fertilization and low utilization rate of facility vegetables, nitrogen, phosphorus, potassium and other nutrients are accumulated in the soil. The longer it is, the more obvious the nutrient accumulation. [0003]...

Claims

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Application Information

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IPC IPC(8): A01C21/00
CPCA01C21/00A01C21/007
Inventor 王文军朱克保吴传洲叶寅蒋光月王道中李帆万水霞赵彬
Owner INST OF SOIL & FERTILIZER ANHUI ACAD OF AGRI SCI
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