随着冬季的来临，牧草生长停滞，乳牛产奶的需求也相应减少了，因为小牛现在已经长大了，不再需要牛奶哺育了。
With the advent of winter, pasture growth arrest, cow milk is also a corresponding reduction in demand, because the calf has now grown up, no longer need milk nurtured.
牧草和蓍草混合可以减少杂草的数量，增加水的穿透能力，改善土壤的微生物和有机物质。
This mixture of grasses and yarrow will out - compete the resident weed population, increase water penetration, and improve the microflora and organic matter in our soils.
长期重度放牧使高寒灌丛群落结构简化，地上现存生物量特别是优良牧草的现存量减少。
Long - term heavy grazing simplified the alpine shrub community and decreased the standing above - ground biomass, especially palatable herbage plants.
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