Research on Mil let Planting Technique of Micro-water Harvesting in Semi-arid Area of the South Part of Ningxia Province

WANG Jun peng; MA Lin; JIANG Jun; JIA Zhi kuan

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Research on Mil let Planting Technique of Micro-water Harvesting in Semi-arid Area of the South Part of Ningxia Province

- Research on Mil let Planting Technique of Micro-water Harvesting in Semi-arid Area of the South Part of Ningxia Province
- Bulletin of Soiland Water Conservation Vol. 19, Issue 3, Pages: 41-43(2000)
- 作者机构：
  
  西北农业大学干旱中心, 陕西杨陵,712100
- 作者简介：
- 基金信息：
- DOI：
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- Published：2000
- 稿件说明：
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WANG Jun peng, MA Lin, JIANG Jun, et al. Research on Mil let Planting Technique of Micro-water Harvesting in Semi-arid Area of the South Part of Ningxia Province[J]. Bulletin of Soiland Water Conservation, 2000, 19(3): 41-43.
DOI：

WANG Jun peng, MA Lin, JIANG Jun, et al. Research on Mil let Planting Technique of Micro-water Harvesting in Semi-arid Area of the South Part of Ningxia Province[J]. Bulletin of Soiland Water Conservation, 2000, 19(3): 41-43. DOI：

摘要

在宁南旱作农业区

采用沟垄相间、垄上覆膜、沟内种植、垄面产流、沟内集水的微集水种植方式

以期改善土壤供水能力和降水空间分配

增加局部水分供给

提高作物产量和水分利用率。1997- 1998年试验结果表明

谷子耗水量增加92.2%～119.3%

产量平均提高68.6%～98.1%

水分利用率平均达到7.75～12.65kg/(mm·hm

)。处理中窄垄型增产效果优于宽垄型。

Abstract

The planting technique of micro-water harvesting includes two parts: water harvesting area and planting area. The water harvesting area is a ridge mulched with plastic film

even small rain can easily run down planting area

so soil moisture in planting area can be improved greatly. The technique has been developed in dryland of the south part of Ning xia province in order to improve the capability of soil water supplying in planting area

decrease the water stress and increase the WU E. The results of experiment from 1997 to 1998 show that the water consumption of millet increased by 92.2%～119.3%

the yield of millet increased by 63. 6% ～98. 1% compared with CK. And WUE reaches to 7.75～12.65 kg/(mm·hm2) . Effect of the ridge with 60cm width is prior to the ridge with 75cm wide on improving millet yield.

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