Yili river valley newly cultivated slope land tillage mode for preventing soil erosion

A technology for soil erosion and sloping farmland, applied in land preparation methods, horticulture, botanical equipment and methods, etc., can solve the problems of high soil salinity, salinization of mellow soil in river valleys, etc., to meet different needs, accelerate soil aging, The effect of preventing pests

Active Publication Date: 2016-10-12
XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI
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  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Practice has proved that in view of the characteristics of strong spring wind, snow melting and summer rainfall erosion on the sloping land of Ili River Valley, as well as the high soil salt content in the study area and the leaching effect, it is easy to cause salinization of the mellow so

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Embodiment 1 (contrast, cultivated in two seasons a year)

[0026] On the 5°-8° newly reclaimed slope cultivated land in the river valley, multiple 150m-wide belt-shaped areas will be divided perpendicular to the contour line, and each area will be divided into a 50m grain crop area and an alfalfa pasture area perpendicular to the contour line direction. 50m, three sub-areas of 50m in forest and fruit area;

[0027] The grain crop area is cultivated in two seasons a year: winter wheat is planted in mid-October, and winter wheat is harvested in late June of the following year. Carry out crushing and returning to the field treatment; in early July, no-tillage fertilization and simultaneous multi-sowing of silage corn, silage corn sowing rows, plant spacing 50cm×25cm, sowing depth 5cm, simultaneous application of base fertilizer urea 10kg / mu and diammonium phosphate 12kg / mu, fertilization depth 8cm, field management according to conventional methods to prevent and control...

Embodiment 2

[0030] Embodiment 2 (cultivation in two years and three seasons of the present invention)

[0031] On the 5°-8° newly reclaimed slope cultivated land in the river valley, multiple 150m-wide belt-shaped areas will be divided perpendicular to the contour line, and each area will be divided into a 50m grain crop area and an alfalfa pasture area perpendicular to the contour line direction. 50m and 50m in the forest and fruit area, the alfalfa pasture area and the food crop area will be rotated after two years of growth, that is, the alfalfa area will be planted with food crops, the grain crop area will be planted with alfalfa, the forest and fruit area will be planted with black walnut and hazelnut trees, and the understory Intercropping soybeans, combining surface operations in food crop areas with conservation tillage such as stubble, no-tillage, and subsoiling;

[0032] According to the characteristics of soil and water and heat conditions in the study area, two years and three...

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Abstract

The invention relates to a Yili river valley newly cultivated slope land tillage mode for preventing soil erosion. According to the mode, each area is divided into three sub-areas including a grain crop area, an alfalfa forage area and a forest fruit area in the direction perpendicular to the isoheight, the alfalfa forage area and the grain crop area are subjected to crop rotation after two years of growth, that is, grain crops are planted in the alfalfa area, alfalfa is planted in the grain crop area, black walnuts and filbert trees are planted in the forest fruit area, and soybeans are subjected to interplantation in forest. Planting is conducted through zoning and crop rotation, the planting layout is optimized, soil coverage is increased, the farming-free period is shortened, water and soil conservation is achieved, the yield is increased and stabilized, cost is reduced, efficiency is improved, influences of crop continuous cropping are reduced, soil fertility is maintained, soil productivity of newly cultivated slope land is improved, soil erosion, caused by land surface exposure, of the newly cultivated slope land is prevented, soil utilization efficiency is improved, and accordingly water and soil conservation of the Yili river valley newly cultivated slope land, efficient agricultural production and sustainable utilization of soil resources are achieved.

Description

technical field [0001] The invention relates to a farming mode of slope cultivated land in valleys in an arid area, in particular to a farming mode for preventing soil erosion in newly reclaimed slope cultivated land in Ili Valley. Background technique [0002] The water and soil resources in the Yili River Basin are rich and well-combined. The sustainable development and utilization of water and soil resources in the Yili River Basin is of great significance to the development of agricultural economy and food security in Xinjiang. However, the relative abundance of water and soil resources in the basin is intertwined with the sensitivity of international rivers, and the significant advantages in the development of water and soil resources coexist with the increasingly serious problem of water and soil erosion. With the addition of about 5 million mu of cultivated land in the Yili Valley, soil erosion and pressure on the ecological environment will further increase. [000...

Claims

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Application Information

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IPC IPC(8): A01B79/02A01G1/00A01G17/00
CPCA01B79/02A01G17/005A01G22/00Y02A20/402Y02P60/20
Inventor 焦伟朱成刚陈亚宁李卫红宋锋惠
Owner XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI
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