Method for increasing crop yield and planting efficiency in heavy saline-alkali land

A technology for crop yield and saline-alkali land, applied in land preparation methods, botanical equipment and methods, plant cultivation, etc., can solve the problems of fertilizer waste in fertilization time, aggravate soil salinization, and early fertilization time, and reduce fertilizer loss, reduce Fertilizer dosage, fertilizer saving effect

Active Publication Date: 2018-11-06
TONGREN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method has problems such as large amount of fertilization, premature fertilization time, only application of nitrogen fertilizer and phosphorus fertilizer, and no application of potassium fertilizer.
The amount of fertilizer application not only wastes resources, but also aggravates soil salinization; too early fertilization time cannot match the nutrient requirements of crops during the growth period, which also causes fertilizer waste and environmental problems;

Method used

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  • Method for increasing crop yield and planting efficiency in heavy saline-alkali land
  • Method for increasing crop yield and planting efficiency in heavy saline-alkali land
  • Method for increasing crop yield and planting efficiency in heavy saline-alkali land

Examples

Experimental program
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Effect test

Embodiment 1

[0042] Embodiment 1: Planting technology of the pioneer crop oil sunflower: when the surface temperature was stable at -4°C or below in the winter before oil sunflower sowing, the local underground salt water was extracted, and flood irrigation or sprinkler irrigation was carried out on the surface. 180mm; covered with plastic film in early March; before the rainy season in mid-June, uncover the strip film at intervals to facilitate the application of conditioner, fertilization and sowing; the dosage of soil conditioner is 7500kg / hm 2 , the conditioner is bio-organic fertilizer, the content of organic matter is 35%-40%, the content of total humic acid is 10%-15%, the content of MgO is 1%-1.2%; the amount of straw carbon is 2250kg / hm 2 , the main component of straw carbon is the carbon powder material formed by the carbonization of corn, wheat and rice biomass straw; the amount of fertilizer applied per hectare of soil is equivalent to 56.3kg of pure N, P 2 o 5 The amount is 3...

Embodiment 2

[0044] Embodiment 2: Planting technology of oil sunflower, a pioneer crop: when the surface temperature was stable at -4°C and below in the winter before oil sunflower sowing, the local underground salt water was extracted, and flood irrigation or sprinkler irrigation was carried out on the surface, and the irrigation volume was 186mm; covered with plastic film in early March; before the rainy season in mid-June, uncover the strip film at intervals to facilitate the application of conditioner, fertilization and sowing; the dosage of soil conditioner is 10950kg / hm 2 , the conditioner is biological organic fertilizer, the content of organic matter is 35%-40%, the content of total humic acid is 10%-15%, the content of MgO is 1%-1.2%; the amount of straw carbon is 3750kg / hm 2 , the main component of straw carbon is the carbon powder material formed after carbonization of corn, wheat and rice biomass straw; the amount of fertilizer applied per hectare of soil is equivalent to 82.5kg...

Embodiment 3

[0046] Embodiment 3: The planting technology of oil sunflower, a pioneer crop: when the surface temperature was stable at -4°C and below in the winter before oil sunflower sowing, the local underground salt water was extracted, and flood irrigation or sprinkler irrigation was carried out on the surface, and the irrigation volume was 183mm; covered with plastic film in early spring in March; before the rainy season in mid-June, uncover the strip film at intervals to facilitate the application of conditioner, fertilization and sowing; the dosage of soil conditioner is 8500kg / hm 2 , the conditioner is bio-organic fertilizer, the content of organic matter is 35%-40%, the content of total humic acid is 10%-15%, the content of MgO is 1%-1.2%; the amount of straw carbon is 2750kg / hm 2 , the main component of straw carbon is carbon powder material formed after carbonization of corn, wheat and rice biomass straw; fertilization: the amount of fertilizer applied per hectare of soil is equ...

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Abstract

A method for increasing the crop yield and planting efficiency in a heavy saline-alkali land comprises the following steps of: planting technologies of a pioneer crop of oil sunflower: building a raised field, desalting soil, covering the soil with a mulching film, uncovering the soil at strip-shaped intervals, applying conditioning agent, fertilizing and sowing, fixing seedlings and weeding, intertilling and hilling, removing superfluous discs and nutrient-free leaves, harvesting at the right time, and rotating crops; planting technologies of later crop of cotton: desalting the soil, coveringthe soil with a mulching film, uncovering the soil at strip-shaped intervals, applying conditioning agent, fertilizing and sowing, fixing seedlings, harvesting, and rotating crops. By using the method, the yield of the oil sunflower and cotton in the heavy saline-alkali land is obviously improved compared with the prior art, the dosage of the fertilizer is greatly reduced, the fertilizer utilization rate is improved, the fertilizer loss is reduced, the soil fertility of the saline-alkali land is obviously improved, and the nutrient and salt are balance are coordinated. Besides, the method makes full use of the phonologies and natural resources such as natural light, heat, rainfall, underground salt water and saline-alkali soil and the like, and avoids harmness and gets benefits, and realizes the green development and the low-carbon cycle of the barren and heavy saline-alkali land.

Description

technical field [0001] The invention relates to an agricultural planting technology, in particular to a method for increasing the yield of suitable crops and planting benefits in heavy saline-alkaline land. Background technique [0002] There are about 954 million hm in the world 2 Saline-alkali land, accounting for 10% of the land area, 7% of the cultivated land area, about 10-20 million hm per year 2 It is difficult for vegetation to grow on saline-alkali land. In the arid and semi-arid coastal areas in northern my country, the area of ​​heavy saline-alkali land and controllable tidal flats is about 700,000 hm 2 , is an important reserve cultivated land resource. These areas are relatively rich in saline underground water resources. The underground water table is buried at a depth of 1m-2m all year round, and the salinity of groundwater in winter and spring is as high as 10g / L or more. The dry, windy and windy monsoon climate causes the soil to return to salt seasonall...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01B79/02A01G22/00A01G22/50
CPCA01B79/02A01G22/00A01G22/50
Inventor 杨莉琳杨帆刘小京张晓媛
Owner TONGREN UNIV
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