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低压管道输水灌溉
释义
低压管道输水灌溉
Encyclopedia
农学
农业水土工程
释
low-pressurepipe irrigation
低压管道输水灌溉
利用高位水源和缓坡地形落差所提供的自然压力水头或利用低扬程机泵将灌溉水加压(一般压力≤30千帕),再通过低压管道把低压灌溉水输送到田间地头(低压输水管网的最末一级管道出水口工作压力水头一般只需3千帕左右即可),然后利用配套的给水栓进行沟灌或小畦灌的灌溉系统。
随便看
seed rearing of Sinonovacula constricta
seed rearing of Sparidae
seed rearing of Takifugu Obscurus
seed rearing of Takifugu rubripes
seed rearing of Tegillarca granosa
seed rearing of Trachinotus ovatus
seed rearing of yellow drum,seed rearing of Nibea albiflora
seed rearing of Yellow spotted grunt,seed rearing of Plectorhinchus cinctus
seeds
seeds (bīja) and present or manifest activities
Seed Science and Technology Committee in Chinese Grassland Association
seeds coating of herbage species
seed selection
seed senescence
seed separator
seed-setting rate
seed shattering
seeds hypothesis
seed soaking
seed soaking equipment
seeds of agricultural capitalist in Ming and Qing Dynasties
seed solarization
seed sower
seeds stir-fried before use
seeds storage of herbage species
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