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A hedgerow configuration method for light-potential rocky desertification environment in karst area

A hedgerow and karst technology, which is applied in the fields of soil preparation methods, agricultural machinery and implements, and agricultural gas emission reduction, can solve problems such as difficult control of water and soil erosion, excessive growth of plants, and unsuitable plants in karst areas, etc., to achieve increased Effects of farmers' economic income, increase of surface coverage, improvement of ridge stability and farmers' economic income

Active Publication Date: 2019-01-04
GUIZHOU NORMAL UNIVERSITY
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AI Technical Summary

Problems solved by technology

[0003] 1) The soil thickness of existing hedgerow planting hills and mountains is more than 1 meter, and some can reach tens of meters, while the soil thickness of many lands in karst areas is 20cm, 30cm, 50cm, and some even have soil below 10cm layer, so the existing hedgerows are only suitable for planting in hills and mountains with deep soil layers;
[0004] 2) The soil thickness of the currently used plants needs to grow well in the soil layer above 50cm, providing enough space for root growth, water collection space, and nutrient collection space. The selection of plant varieties is suitable for areas with deep soil layers and is not suitable for karst area;
[0005] 3) The plants grow too fast and the plants are too large. In the karst area, it is impossible to provide enough water and support the soil during the growth period, and it is difficult to control soil erosion. The thickness of the soil layer in the karst area is different, and the water loss is fast. Provide a stable source of water for growth, and the weak part of the soil layer cannot grow (and cannot grow well) for plants and plants with roots;
[0006] 4) Existing hedgerows take up too much surface area and are not suitable for karst areas with small plots. Large plots occupy 1-2 meters wide land without much impact, but many plots in karst areas It is only about 1 meter wide, and some are only tens of centimeters wide. If it is occupied by a large number, it will lose the meaning of a hedgerow

Method used

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Embodiment

[0024] Embodiment: a method for configuring hedgerows in a light-potential rocky desertification environment in karst areas, the method includes the following steps:

[0025] 1) Hypericum, pyracantha, and white clover are selected as hedgerow species in potential-slight rocky desertification areas (soil ridge, soil-rock mixed ridge) and on the ridge. Hypericum is an excellent Ornamental shrubs of Chinese medicinal materials, good soil and water conservation interception plants of Pyracantha, high-quality white clover grass;

[0026] 2) Land consolidation: In order to prevent the collapse of the ridge, reduce soil erosion, retain the original plant hedges on the ridge slope, and not disturb the soil, loosen the soil at the foot of the ridge and the ridge, the soil disturbance depth is 20cm~40cm, and the soil is aired After 1~2 working days, plant hedges on it;

[0027] 3) If the ridge is close to the road or barren hills where livestock can easily enter, trim the local pyracan...

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Abstract

The invention discloses a configuration method for light-potentially rocky desertification environmental plant hedge in karst region. The configuration method comprises selection of plant hedge planting type, land consolidation, plant hedge planting, late stage watering management, later stage pruning management forming plant hedge configuration form of pyracantha fortuneana, climbers+shrubs+herbs, climbers+small trees+herbs, herbs+shrubs; the plant hedge configuration form of pyracantha fortuneana, climbers+shrubs+herbs, climbers+small trees+herbs, herbs+shrubs is obtained in the method, control of soil erosion is conducted concerning light-potentially rocky desertification in karst region, the surface coverage is increased, the surface flow rate is reduced, the soil erosion is decreased, and the soil fertility is improved and preserved. Cash crops such as Hypericum monogynum, pyracantha fortuneana, Trifolium repens, and Prunus Humilis Bunge are planted. Crop yield is high, terrace stability and economic incomes of peasants are improved, the usage rate of the soil in karst region is increased, and the method is especially accepted by peasants in light-potentially rocky desertification environment.

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 light-potential rocky desertification environments in karst areas. Background technique [0002] "Rocky desertification" and "water and soil loss" and "desertification" are called the three major ecological problems in China today. In the southwest karst area, soil erosion and rocky desertification are different stages of ecological degradation. Rocky desertification is the result of soil erosion. Soil erosion is an intermediate stage of rocky desertification, and the two are mutually causal. Soil erosion is eroding people's precious water and soil resources. How to control soil erosion and prevent rocky desertification has attracted the attention of all walks of life. China's current soil and water conse...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01B79/02
CPCA01B79/02Y02P60/20
Inventor 熊康宁胡晚枚罗鼎顾再柯颜萍肖杰
Owner GUIZHOU NORMAL UNIVERSITY
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