Method for establishing artificial mixed sowing grassland of slope of loess plateau

A technology of the Loess Plateau and grassland, applied in the field of planting, can solve the problems of ineffective grazing and utilization by the masses, unreasonable establishment of artificial grassland, and low utilization of slope land, so as to improve natural regeneration ability, increase the degree of richness, and slope surface. The effect of runoff reduction

Inactive Publication Date: 2014-06-04
NORTHWEST A & F UNIV
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Problems solved by technology

[0002] Since the implementation of the project of returning farmland to forest and grass and closing mountains and prohibiting grazing in the loess area, the vegetation restoration of barren hills and degraded grasslands has achieved remarkable results, but the utilization of slope land is not high, and the

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Embodiment

[0017] Example: Binxian County is located in the northwest of Xianyang City, Shaanxi Province, 120 kilometers away from Xi'an in the south, and 160 kilometers away from Pingliang in Gansu Province in the north. It is located in the geometric center of Pingliang in Gansu Province, Baoji in Shaanxi Province, Tongchuan and Xianyang. "The place that must pass through is known as the "Pearl of the Silk Road". The county governs 13 towns and 247 administrative villages, with a total area of ​​1,185 square kilometers and a total population of 355,000. Bin County has an annual average temperature of 9.7°C, a temperature difference between day and night of 11.7°C, an annual average precipitation of 579 mm, and a frost-free period of 180 days. It is a typical continental warm temperate semi-arid climate. Through the establishment of artificial grassland mixed with alfalfa and brome awnless on the slopes of Binxian area, it provides a theoretical basis for the rational management and uti...

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Abstract

The invention relates to a method for establishing artificial mixed sowing grassland of a slope of a loess plateau. When seeds are sown in the area of the loess plateau, leguminous grass seeds and gramineous forage grass seeds are sown in a mixed manner, and alfalfa seeds and awnless brome seeds are sown in the mixed manner according to the proportion of 0.3:0.7; and during sowing of the mixed sowing grassland, the suitable fertilizing amount includes that nitrogenous fertilizers (pure N) are 85kg/hm(2), potash fertilizers (K2O) are 110kg/hm(2), and phosphatic fertilizers (P2O5) are 70kg/hm2. By reasonably matching leguminous grass and gramineous forage grass, the artificial mixed sowing grassland with the alfalfa and the awnless brome seeds is formed, grassland vegetations with different types are combined with each other, so that soil erosion of waste mountains of a loess area can be effectively reduced, the richness degree of the species of the grassland is increased, and the natural renewability of the grass is improved.

Description

technical field [0001] The invention relates to the field of plant establishment, in particular to a method for establishment of artificial grassland with mixed sowing on sloping land of the Loess Plateau. Background technique [0002] Since the implementation of the project of returning farmland to forest and grass and closing mountains and prohibiting grazing in the loess area, the vegetation restoration of barren hills and degraded grasslands has achieved remarkable results, but the utilization of slopes is still not high, and the masses cannot effectively use them for grazing. The problem is that the establishment of artificial grasslands is unreasonable. [0003] Disadvantages of the prior art: confusion in the selection of grass species during the establishment of mixed sowing grassland; ratio of grass species; unreasonable fertilization. [0004] In view of the above-mentioned defects, the author of the present invention has finally obtained this creation through long...

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Application Information

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IPC IPC(8): A01G1/00A01C21/00
Inventor 程积民杨培志李伟金晶炜邱莉萍杨云贵井赵斌
Owner NORTHWEST A & F UNIV
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