| 摘要: |
| 对沙壤土、壤土和粘壤土分别进行了单滴头、单管道田间灌水试验。结果表明，沿滴灌管长度方向土训湿润较均匀，作物主要吸水根系土层内土壤湿润均匀，作物行间有6～20 cm未湿润区域；无地膜覆盖地面滴灌（裸地滴灌）与膜下滴灌相比较，节水约3.3％。 |
| 关键词: 膜下滴灌 节水 裸地滴灌 滴灌技术 |
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| 基金项目:国家重大科技产业工程项目(99-021-01-02) |
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| The under membrane drip irrigation technical study |
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| Abstract: |
| Based on the field irrigation of single drip-filter with the sand soil,the loam and the clay loam,we had done the single-pipe irrigation,obtained the well-distributed soil wetness along the direction of the drip-pipe and the root soil area,the soil between the crop liners about 6-20 cm in width is not well irrigated compared with the nakedness soil,the under membrane drip irrigation can save the water 39.3%. |
| Key words: the under membrane drip irrigation water saving the bare drip irrigation drip irrigation technical |
