Ternary soil moisture preservation method for agroforestry in karst rocky desertification area

A kind of karst and soil technology, applied in the field test and detection field, can solve the problems such as inapplicable agroforestry planting, achieve the effect of inhibiting soil evaporation, good effect and promoting improvement

Inactive Publication Date: 2019-07-19
GUIZHOU NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there is no report on the soil moisture conservation technology and method of mixed agroforestry in karst rocky desertification

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0020] Embodiment 1: a ternary soil moisture conservation method for mixed agroforestry in a karst rocky desertification area, the method steps are: 1. before planting, dig a hole according to the required size, and plant crops; 2. before the rainy season comes 2 - In 3 days, dig a ring trench with a width of 5-7cm and a depth of 10-15cm in each group of mixed agroforestry at a radius of 20cm centered on perennial crops, and mix the water-retaining agent and soil evenly at a ratio of 1:1000 (mass ratio), and use 30 - 40g of water retaining agent, and then cover it with a layer of 5cm thick soil to avoid direct contact between the water retaining agent and the atmosphere; or apply the water retaining agent under no rainfall conditions, and a large amount of water is required; 3. Cover the surface of the soil with a 4. When encountering continuous drought weather, water should be properly watered until the water-retaining agent is saturated to provide water for later soil water s...

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Abstract

The invention discloses a ternary soil moisture preservation method for agroforestry in a karst rocky desertification area. The ternary soil moisture preservation method for the agroforestry in the karst rocky desertification area comprises the following steps: one, digging a pit according to the required size before planting, and planting crops; two, digging an annular ditch with the width of 5-7cm and the depth of 10-15 cm at the position with perennial crop as the center radius of about 20 cm in each agroforestry 2-3 days before the rain season, and uniformly mixing a water-retaining agentwith soil according to the mass ratio of 1: 1000 under the condition that 30-40 g of the water-retaining agent is used in each agroforestry, and covering the water-retaining agent with a layer of soil with the thickness of 5 cm; three, covering the surface layer of the soil with a layer of straws or leaves or stones; and four, when the continuous drought weather is encountered, properly wateringuntil the water-retaining agent is saturated so as to provide a water source for supply water to the soil in the later period. Natural rainwater can be effectively accumulated, underground water is kept, water and soil resources are comprehensively utilized, the water utilization rate is improved, it ensures that the water can meet the normal growth requirement of crops, and the benefits of increasing production and income are remarkable.

Description

technical field [0001] The invention relates to a soil moisture conservation method, in particular to a ternary soil moisture conservation method for mixed agroforestry in karst rocky desertification areas, and belongs to the technical field of field test detection. Background technique [0002] Mixed agroforestry, also known as mixed agroforestry, compound agroforestry, and agroforestry, has many conceptions, and the more recognized one is "mixed agroforestry is a comprehensive term that describes land use and methods. On this kind of land, Perennial woody plants, like crops (or livestock), are cultivated in the same land in different spatial arrangements and temporal sequences, and there are ecological and economic links between various parts." [0003] The rain and heat in the karst area are in the same period, the rainfall is abundant, and the soluble carbonate rock salt is widely distributed. After long-term dissolution and erosion of rainwater, a unique "surface-underg...

Claims

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Application Information

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IPC IPC(8): A01G17/00A01G22/40A01B79/02A01G13/02A01G7/00
CPCA01B79/02A01G7/00A01G13/0262A01G17/005A01G22/40Y02A40/28
Inventor 熊康宁鲍恩俣倪志扬
Owner GUIZHOU NORMAL UNIVERSITY
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