Bedplanting improves soil fertility and structure and helps reduce erosion, water usage, herbicide use and facilitates mechanical and manual weeding.
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。
2
Bedplanting 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.
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。
3
And base on the experiment, calculating formula of cross section mean velocity's reduction after planting and bed shears stress of vegetation dam block are established.