drip irrigation cotton field  滴灌棉田

alternate partial root-zone drip irrigation under mulch  分根交替膜下滴灌

drip irrigation under a film  膜下滴灌

drip irrigation under film  膜下滴灌技术; 膜下滴灌

Drip irrigation under film mulch  膜下滴灌

drip irrigation under membrance  膜下滴灌

drip irrigation under membrane  膜下滴灌

Drip irrigation under mulch  新疆; 膜下滴灌; 籽瓜

Drip irrigation under mulch film  膜下滴灌

drip irrigation under mulched  膜下滴灌

drip irrigation under mulching  膜下滴灌

drip irrigation under mulching film  膜下滴灌

Drip irrigation under plastic film  膜下滴灌

drip irrigation under plastic film mulch  膜下滴灌

drip irrigation under plastic mulch  膜下滴灌

drip irrigation under plastic mulching  膜下滴灌

Drip irrigation under plastic-mulched  膜下滴灌

drip irrigation under the film  膜下滴灌

Drip Irrigation Under the Ground Surface  地下滴灌技术