Drought-resisting and water-saving method for triticeae crops in river valley region of Tibet

A technology of wheat and crops, applied in the direction of soil preparation, grain cultivation, plant protection cover, etc., to achieve the effect of improving soil moisture and drought environment conditions

Inactive Publication Date: 2018-01-12
AGRI RESOURCE & ENVIRONMENT RES INST TIBET AUTONOMOUS REGION ACADEMY OF AGRI & ANIMAL HUSBANDRY
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Problems solved by technology

[0005] In view of this, the embodiment of the present invention provides a drought-resistant and water-saving method for wheat crops in Tibetan valley areas, the ma...

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  • Drought-resisting and water-saving method for triticeae crops in river valley region of Tibet

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Embodiment 1

[0025] Preparation materials: soil conditioner, soil water-retaining agent (the conditioner and water-retaining agent are provided separately by Shanghai Meijia Biotechnology Co., Ltd.), dry and crushed wheat straw with a length of 1 cm in previous years, black plastic film, and plastic separators with a thickness of 2 cm. water board;

[0026] Experimental area: design 12 unit plots, the size of each unit plot is 3m and 5m;

[0027] Test time: From March 1st to March 20th of that year, the soil of the test stratum was processed, planted in early April until harvested in mid-September;

[0028] Before planting wheat crops, according to soil properties, the planting site is divided into sandstone layer 2, mixed layer 3 and soil layer 4 from bottom to top; the layer height of sandstone layer 2 is 0.6m, and the bottom of sandstone layer 2 is laid with plastic insulation Water plate 1 and water barrier 1 are filled with sand and gravel; the layer height of the mixed layer is 0.3m...

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Abstract

The invention discloses a drought-resisting and water-saving method for triticeae crops in a river valley region of Tibet, and relates to the technical field of agricultural irrigation. The method comprises the steps of dividing planting land into a sand-gravel layer, a mixed layer and a soil layer from bottom to top according to the soil properties 15-20 days before sowing the triticeae crops, wherein the height of the sand-gravel layer is 0.6 m-0.9 m, the height of the mixed layer is 0.3 m-0.6 m, and the height of the soil layer is 0 m-0.3 m; laying a plastic water-stop plate at the bottom of the sand-gravel layer, and filling the water-stop plate with sand and gravels; filling the mixed layer with original mixed layer soil and soil modifier; filling the soil layer with the original soillayer soil, crop straw and soil water-retaining agent; covering the top of the soil layer with black mulching film. The drought-resisting and water-saving method is particularly suitable for plantinghighland barley in the river valley region of Tibet, and has good effects of resisting drought and saving water.

Description

technical field [0001] The invention relates to the field of agricultural irrigation, in particular to a drought-resistant and water-saving method for wheat crops in valley areas of Tibet. Background technique [0002] Tibet's river valley agricultural area is the main area for Tibetan highland barley planting. This area has the characteristics of large temperature difference between day and night, high altitude, strong solar radiation, severe drought in farmland, long wind cycle in spring, and low crop yield efficiency. It faces a local environment of water shortage. Due to the natural conditions of drought and drought, Tibetan farmers and herdsmen continue to increase the irrigation of highland barley year by year, but there is no fundamental change in how to irrigate rationally. Restricted by the influence of traditional thinking, the cultivation of highland barley in Tibet is mainly based on flooding in dry seasons. Large-scale irrigation is the main method, without any ...

Claims

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Application Information

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IPC IPC(8): A01G22/20A01G13/02A01B79/02A01B79/00
CPCY02A40/28
Inventor 张华国候亚红刘国一宋国英尼玛扎西李雪高雪马瑞萍
Owner AGRI RESOURCE & ENVIRONMENT RES INST TIBET AUTONOMOUS REGION ACADEMY OF AGRI & ANIMAL HUSBANDRY
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