Method for irrigating forage maize

A corn and forage technology, applied in the field of crop cultivation, can solve the problems of unreasonable irrigation system, unstable forage yield and quality, and low water and fertilizer utilization efficiency.

Inactive Publication Date: 2011-11-02
GANSU AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Forage corn is often produced in arid and semi-arid areas by flat cropping and traditional flood irrigation. The irrigation system is unreasonable, the water and fertilizer use efficiency is low, and the yield and quality of forage are unstable and poor.

Method used

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Examples

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Effect test

Embodiment 1

[0022] A method for irrigating corn forage, comprising the following steps:

[0023] 1) Set up three plots, each plot consists of 17 small plots, each plot is 1150cm long, 120cm wide, the bottom of the ridge is 15cm wide, 15cm high, and 1150cm long;

[0024] 2) Set a 100cm-wide water isolation zone between the plots in step 1), 4 rows of plants are arranged on each furrow, the distance between the rows of plants on each furrow is 40cm, and the distance between the plants in each row is 30cm;

[0025] 3) Use canopy film to prevent seepage between the water isolation zones in step 2), and cover each furrow in step 2) with agricultural plastic film.

Embodiment 2

[0027] A method for irrigating corn forage, comprising the following steps:

[0028] 1) Set up three plots, each plot consists of 17 small plots, each plot is 1150cm long, 120cm wide, the bottom of the ridge is 20cm wide, 20cm high, and 1150cm long;

[0029] 2) Set a 150cm-wide water isolation zone between the plots in step 1), 4 rows of plants are arranged on each furrow, the distance between the rows of plants on each furrow is 30cm, and the distance between the plants in each row is 35cm;

[0030] 3) Use canopy film to prevent seepage between the water isolation zones in step 2), and cover each furrow in step 2) with agricultural plastic film.

Embodiment 3

[0032] A method for irrigating corn forage, comprising the following steps:

[0033] 1) Set up three plots, each plot consists of 17 small plots, each plot is 1150cm long, 120cm wide, the bottom of the ridge is 17cm wide, 17cm high, and 1150cm long;

[0034] 2) Set up a 125cm wide water isolation zone between the plots in step 1), 4 rows of plants are arranged on each furrow, the distance between the rows of plants on each furrow is 35cm, and the distance between the plants in each row is 32cm;

[0035] 3) Use canopy film to prevent seepage between the water isolation zones in step 2), and cover each furrow in step 2) with agricultural plastic film.

[0036] After the above steps are completed, the field water holding capacity of the soil is measured, combined with the calculation of the crop water demand model, etc., the full border irrigation quota for forage corn is 4500 m 3 / hm 2 On this basis, supplementary irrigation W1 and W2 were designed to save water by 20% and 40%...

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Abstract

The invention discloses a method for irrigating forage maize. The method comprises the following steps: 1) arranging at least three plots, wherein each plot comprises 17 small borders; each border is 1150cm long and 120cm wide; and the bottom of a border dike is 15-20cm wide, 15-20cm high and 1150cm long; 2) arranging moisture isolation zones with width of 100-150cm among the plots in the step 1) and arranging 4 lines of plants on each border, wherein the line spacing of the plants on each border is 30-40cm; and the spacing between the plants in each line is 30-35cm; and 3) carrying out anti-seepage treatment with greenhouse films among the moisture isolation zones in the step 2) and covering the borders in the step 2) with agricultural films. The method has the beneficial effect of more comprehensively studying the effect of water saving irrigation water on the output and quality of the forage maize straws under the condition of regulation and control.

Description

technical field [0001] The invention belongs to the field of crop cultivation, and in particular relates to an irrigation method for forage corn. Background technique [0002] Water is a key factor affecting agricultural production in arid and semi-arid regions. The moisture in the crop mainly comes from the soil moisture absorbed by the root system, which participates in all the biophysical and biochemical processes in the growth and development of the crop. The moisture outside the crop mainly comes from precipitation and irrigation water, which plays an important role in stabilizing the environment. Therefore, the amount of water is closely related to the whole process of crop growth and development, and ultimately affects the yield and quality of crops. At the beginning of the 20th century, the main goal of irrigation was to provide appropriate water to crops to obtain higher yield per unit area. Now, with the shortage of water resources and the increase of irrigation c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00
Inventor 齐广平师尚礼张彦洪汪精海潘菊梅王联国石万里曾晓春张云亮
Owner GANSU AGRI UNIV
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