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Special coated controlled-release fertilizer for peanuts in saline-alkali soil and preparation method of special coated controlled-release fertilizer

A special bag, saline-alkali land technology, applied in the field of controlled-release fertilizer, can solve the problems of time-consuming top dressing, difficult control of diseases and insect pests, weak plants, etc., and achieve the effect of saving labor costs and improving fertilization efficiency.

Inactive Publication Date: 2018-03-23
BIOTECH RES CENT SHANDONG ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problems of high soil salinity, easy yellow seedlings, weak plants, difficult control of diseases and insect pests, easy defertilization in the later stage, and labor-intensive and time-consuming problems in peanut cultivation in saline-alkali land, the application provides a salt-tolerant It is a special coated controlled-release fertilizer for peanuts in saline-alkali land, which combines ingredients such as anti-corrosion, pest control, growth promotion and pod fullness, and can control the release cycle.

Method used

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  • Special coated controlled-release fertilizer for peanuts in saline-alkali soil and preparation method of special coated controlled-release fertilizer
  • Special coated controlled-release fertilizer for peanuts in saline-alkali soil and preparation method of special coated controlled-release fertilizer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Coated controlled-release fertilizer for peanuts in saline-alkali soil is composed of an outer layer, a middle layer and an inner layer, and the raw materials and proportions of each layer are as follows:

[0034] Outer layer: 30 parts of urea formaldehyde powder, 40 parts of fermented manure of livestock and poultry, 30 parts of urea, 15 parts of hyperbranched polyamide, 0.5 part of ferrous sulfate, 0.05 part of chitosan oligosaccharide, 0.3 part of Shilax,

[0035] Middle layer: 85 parts of gypsum, 15 parts of humic acid, 0.5 parts of Shilashi, 65 parts of urea-formaldehyde powder,

[0036] Inner layer: 80 parts of potassium dihydrogen phosphate, 30 parts of urea, 20 parts of seaweed extract, 20 parts of adhesive.

[0037] The hyperbranched polyamide is an aliphatic hyperbranched polyamide, and the branching algebra is 2.0.

[0038] Preparation:

[0039] (1) Mix potassium dihydrogen phosphate, urea, seaweed extract and binder in the inner layer raw materials, granul...

Embodiment 2

[0043]Coated controlled-release fertilizer for peanuts in saline-alkali soil is composed of an outer layer, a middle layer and an inner layer, and the raw materials and proportions of each layer are as follows:

[0044] Outer layer: 30 parts of urea formaldehyde powder, 40 parts of fermented manure of livestock and poultry, 30 parts of urea, 15 parts of hyperbranched polyamide, 0.5 part of ferrous sulfate, 0.05 part of chitosan oligosaccharide, 0.3 part of Shilax,

[0045] Middle layer: 85 parts of gypsum, 15 parts of humic acid, 0.5 parts of Shilashi, 65 parts of urea-formaldehyde powder,

[0046] Inner layer: 80 parts of potassium dihydrogen phosphate, 30 parts of urea, 20 parts of seaweed extract, 20 parts of adhesive.

[0047] The hyperbranched polyamide is an aliphatic hyperbranched polyamide, and the branching algebra is 3.0.

[0048] The preparation method is the same as in Example 1.

Embodiment 3

[0050] Coated controlled-release fertilizer for peanuts in saline-alkali soil is composed of an outer layer, a middle layer and an inner layer, and the raw materials and proportions of each layer are as follows:

[0051] Outer layer: 30 parts of urea formaldehyde powder, 40 parts of fermented manure of livestock and poultry, 30 parts of urea, 15 parts of hyperbranched polyamide, 0.5 part of ferrous sulfate, 0.05 part of chitosan oligosaccharide, 0.3 part of Shilax,

[0052] Middle layer: 85 parts of gypsum, 15 parts of humic acid, 0.5 parts of Shilashi, 65 parts of urea-formaldehyde powder,

[0053] Inner layer: 80 parts of potassium dihydrogen phosphate, 30 parts of urea, 20 parts of seaweed extract, 20 parts of adhesive.

[0054] The hyperbranched polyamide is an aliphatic hyperbranched polyamide with a branching algebra of 4.0.

[0055] The preparation method is the same as in Example 1.

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Abstract

The invention relates to the technical field of controlled-release fertilizer, in particular to special coated controlled-release fertilizer for peanuts in saline-alkali soil. The coated controlled-release fertilizer consists of an outer layer, a middle layer and an inner layer; by combining salt resistance enhancement, prevention of etiolated seedlings, pest control, growth promotion and promotion of pod enriching components, the release period is controlled, and the fertilizing efficiency is improved; topdressing in the whole growth period is avoided, so that labor cost is reduced.

Description

technical field [0001] The invention relates to the technical field of controlled-release fertilizers, in particular to a special-coated controlled-release fertilizer for peanuts in saline-alkali soils, and a preparation method for special-coated peanut-coated controlled-release fertilizers for saline-alkali soils. Background technique [0002] The self-sufficiency rate of edible vegetable oil in my country is less than 32%. To increase the self-sufficiency rate, we must expand the cultivated area. In order to avoid competing with others for food and land, it is important to vigorously expand planting in saline-alkali land and increase the total peanut output to ensure the safety of my country's edible oil supply. one of the ways. Peanut is one of the most widely cultivated oil crops in the world. It has the characteristics of wide adaptability, drought tolerance, barren tolerance and rhizobia nitrogen fixation. It is conducive to the development of water-saving agriculture...

Claims

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Application Information

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IPC IPC(8): C05G3/00C05G3/04C05F17/00A01C21/00C05G3/80
CPCA01C21/005C05B7/00C05F17/00C05G3/00C05G3/80C05G5/30C05C9/00C05C9/02C05D3/00C05D9/02C05F3/00C05F11/00C05F11/02C05F11/08A01C1/06Y02W30/40C05D1/005
Inventor 张佳蕾万书波郭峰李新国耿耘杨莎张正赵海军孟静静
Owner BIOTECH RES CENT SHANDONG ACADEMY OF AGRI SCI
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