Collocation method for hedgerows in moderate-intense rocky desertification environment in karst area

A configuration method and hedgerow technology, applied in botany equipment and methods, plant cultivation, horticulture, etc., can solve problems such as increasing land utilization rate and increasing farmers' economic income, so as to improve land utilization rate, promote animal husbandry development, significant effect

Active Publication Date: 2017-04-26
GUIZHOU NORMAL UNIVERSITY
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Problems solved by technology

However, the current research on hedgerows is mainly concentrated in the Three Gorges Reservoir area with thicker soil and higher fertility, the dry-hot valley area of ​​the Jinsha River, the Loess Plateau area, and the southern red soil area, while there are fewer studies on hedgerows in karst rocky desertification areas. , how to rationally arrange hedgerows on sloping farmland with different environmental conditions of rocky desertification, make full use of the rocky ridges that cannot grow crops, increase the land utilization rate, and at the same time strengthen the stability of sloping farmland ridges, prevent soil erosion, increase Farmers' economic income, control of rocky desertification

Method used

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Embodiment

[0018] Embodiment: A method for configuring hedgerows in a medium-intensity rocky desertification environment in a karst area, the method includes the following steps:

[0019] 1) Selection of hedgerow species, select dominant species with local economic value, and introduce suitable alien species according to local climate, hydrology, soil special natural geography and socio-economic and cultural environment. Alien species include cactus, king bamboo grass, alfalfa ;

[0020] 2) Measure the ridge height of sloping cultivated land in the karst rocky desertification area, and divide it into two types: high ridge and low ridge. cm, and observe the soil distribution on the ridge, slope and foot of the stone ridge;

[0021] 3) If the stone ridge height is > 100cm, the thickness of the soil layer on the ridge, ridge slope, and foot of the ridge is 10±5cm, and the soil volume covers less than 30% of the land area, at this time the soil should be mainly preserved, and it is not suit...

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Abstract

The invention discloses a collocation method for hedgerows in a moderate-intense rocky desertification environment in a karst area. The collocation method comprises planting processes of hedgerow selection, ridge height measurement of a sloping farmland, soil preparation, sowing and pruning, and forms a hedgerow collocation manner of interplanting different varieties of economic crops and high-quality forage on a rock ridge, a ridge slope and a ridge foot of the land in a karst rocky desertification area. According to the invention, through the hedgerow collocation manner of interplanting different varieties of economic crops and high-quality forage on the rock ridge, the ridge slope and the ridge foot of the land in the karst rocky desertification area, only a small land area is occupied; crops can be planted among ridges; planting of the hedgerows on rock ridges can significantly improve physicochemical properties of soil; water and soil loss is reduced; rocky desertification is treated; meanwhile, economic income and environmental awareness of local farmers are significantly improved; and the collocation method is more easily to be accepted by farmers in a mountainous area with more population and little land.

Description

technical field [0001] The invention belongs to the technical field of rocky desertification control in karst areas, and relates to a method for rationally utilizing ridges of sloping cultivated land in karst plateaus, in particular to a method for configuring hedgerows in medium-intensity rocky desertification environments in karst areas. Background technique [0002] At present, the methods of water and soil conservation in karst areas include the conversion of slopes to terraces that require a large investment of funds, time, and labor, large-scale conversion of farmland to forests and grasslands, and conversion of slopes to leveling projects within a certain range. However, these measures involve funds, It requires a lot of manpower and time, and it may not be recyclable, and the economic benefits are not significant, and it may even affect the amount and development of local cultivated land. The use of plant hedges to prevent and control water and soil erosion is simple...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00
CPCA01G22/00
Inventor 熊康宁胡晚枚罗鼎颜萍顾再柯
Owner GUIZHOU NORMAL UNIVERSITY
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