Light grazing or over grazing lead to deteriorative succession of artificial sward.
轻度放牧或过度放牧都可以引起人工草地的退化演替。
At sites of the planting alfalfa treatment, the individual density of Isotomidae reached 3.33 times of over grazing treatment.
而种植苜蓿样地等节跳虫科个体密度最大，其大小是过度放牧样地等节跳虫科的 3.33倍。
The results indicated the feasibility of goat house feeding, a greater economic return of house- fed goats over grazing goats, and the important role of breed improvement in improving feed efficiency.
试验结果证明，舍饲山羊的经济效益大大超过放牧山羊，品种改良可以大大提高饲料利用率。
The results indicated the feasibility of goat house feeding, a greater economic return of house- fed goats over grazing goats, and the important role of breed improvement in improving feed efficiency.
试验结果证明，舍饲山羊的经济效益大大超过放牧山羊，品种改良可以大大提高饲料利用率。
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