... ridge drill ==> 垄播机,垄作播种机 ridge drilling ==> 垄播 ridge flashing sheet ==> 屋脊泛水片 ...
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黄河流域的垄播和水管理：黄河流域严重的水土流失导致整个流域经常发生水旱灾害。
Bed planting and water management in the Yellow River: Serious water and soil erosion in the Yellow River has led to frequent basin-wide drought and floods.
垄播改善了土壤肥力和结构，对减少流失、水的利用和除草剂的施用也有帮助，也方便了机械和人工除草。
Bed planting improves soil fertility and structure and helps reduce erosion, water usage, herbicide use and facilitates mechanical and manual weeding.
施水沟播机可在起垄施肥播种的同时进行施水作业，从而解决了干旱和半干旱地区的播种保苗问题。
Water application furrow seeder for arid and semi arid region can carry on the watering operation as sowing and fertilizing with the objective of seedling prevention.
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