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Special fertilizer set for drip irrigation corn root zone regulation and its application method

An application method and corn technology, applied in the direction of fertilization method, application, potassium fertilizer, etc., can solve the problems of inhibiting water and fertilizer efficiency, crop yield increase, inconsistent distribution of corn root system, unfavorable nitrogen, phosphorus and potassium absorption, etc., to overcome the imbalance of nutrient supply and solve the problem of water and fertilizer. Root synergy, reducing the effect of nitrogen fertilizer loss

Active Publication Date: 2020-03-20
XINJIANG ACADEMY OF AGRI & RECLAMATION SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, under the same migration time and irrigation amount, different migration speeds often lead to inconsistent distribution of nitrogen, phosphorus and potassium and corn root system, which is not conducive to the absorption of nitrogen, phosphorus and potassium by corn plants, and inhibits the improvement of water and fertilizer efficiency and crop production.

Method used

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Examples

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Effect test

Embodiment 1

[0065] A set of special fertilizer sets for drip irrigation corn root zone regulation and its application method of the present invention were tested in the agricultural test field of Shihezi Academy of Agricultural Sciences in Xinjiang Uygur Autonomous Region in 2016. The previous stubble was cotton, and the cultivated land was adjusted before winter. The research area in this area belongs to a typical temperate continental climate, with an average annual temperature of 6.5-7.2°C, an average annual rainfall of 115 mm, and uneven distribution, evaporation of 1942 mm, and an evaporation ratio of 16.9 > 10. The soil is irrigated gray desert soil. The soil texture is loam, which is irrigated agriculture and is suitable for the implementation of the method of the present invention. In this embodiment, the corn sowing adopts 30+80cm unequal row spacing, 1 film, 1 tube and 2 rows planting mode, 126000 plants per hectare (8400 plants per mu).

[0066] Emergence fertilizer: After the ...

Embodiment 2

[0077] A set of special fertilizer sets for drip irrigation corn root zone regulation and its application method of the present invention were produced in the 105th Regiment of Wujiaqu City, Xinjiang Uygur Autonomous Region in 2016. The previous stubble was cotton, and the cultivated land was sorted out before winter. The research area in this area belongs to a typical temperate continental climate, with an average annual temperature of 6-7°C, an average annual rainfall of 120 mm, and uneven distribution, evaporation of 1900 mm, and an evaporation ratio of 16>10. The soil is irrigated gray desert soil. The soil texture is clay loam, which is irrigated agriculture and is suitable for the implementation of the method of the present invention. In this embodiment, the corn sowing adopts 30+80cm unequal row spacing, 1 film, 1 tube and 2 rows planting mode, 126000 plants per hectare (8400 plants per mu).

[0078] Emergence fertilizer: After the sowing is completed on April 20, the s...

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Abstract

The invention relates to a special fertilizer set for corn root zone drip irrigation regulation, and an application method thereof. The corn root zone fertilizer set comprises a seedling emergence fertilizer, a jointing stage fertilizer, a middle growth stage fertilizer and a late growth stage fertilizer, wherein the jointing stage fertilizer comprises an easily immobilized fertilizer set I and an easily migrated fertilizer set I, the middle growth stage fertilizer comprises an easily immobilized fertilizer set II and an easily migrated fertilizer set II, and the late growth stage fertilizer comprises an easily immobilized fertilizer set III and an easily migrated fertilizer set III. The fertilizer is divided into the easily immobilized fertilizer sets and the easily migrated fertilizer sets, wherein the content of the phosphorus element in the easily immobilized fertilizer sets is high, and the content of the nitrogen element in the easily migrated fertilizer sets is high. The ratio and the applying sequence of the easily immobilized fertilizer sets and the easily migrated fertilizer sets are adjusted to make nitrogen, phosphorus and potassium uniformly distributed in the corn root zone, promote the nitrogen, phosphorus and potassium absorption and utilization of the corn root zone, facilitate the configuration of the corn root and realize lodging resistance.

Description

technical field [0001] The invention relates to a fertilizer, in particular to a set of special fertilizer sets for drip irrigation corn root zone regulation and an application method thereof. Background technique [0002] Corn production has an important position and role in my country's grain production. In the "National Plan for Adding 100 Billion Jin of Grain Production Capacity (2009-2020)", corn undertakes 44.1% of the tasks. It can be seen that corn production is directly related to China. food security. [0003] Corn drip irrigation technology is a new type of food crop irrigation technology developed on the basis of cotton drip irrigation technology. The drip irrigation water is directly dripped into the soil near the root of the crop from the dripper, forming an ellipsoid or spherical moist body in the corn root zone. Due to the characteristics of drip irrigation and fertilization with water, nutrients are also concentrated in the moist body formed by dripping wate...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C05G3/80C05G1/00A01C21/00
CPCA01C21/00C05B7/00C05B15/00C05G3/80C05C11/00C05D1/02C05D5/00C05C5/02C05F11/02
Inventor 梁飞王国栋曾胜和郭斌陈云张鑫王克全王刚刘瑜郑国玉张磊
Owner XINJIANG ACADEMY OF AGRI & RECLAMATION SCI
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