Previous Crops can not use crop diseases and soil pests susceptible seedlings serious land.

不可选用前茬作物对苗木易感染病害和地下害虫严重的土地。

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Runoff and sediment production were significantly affected by different previous crops collocation.

不同的前作作物搭配对产流产沙存在显著的影响。

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Fertilizers enhance the natural fertility of the soil or replace the chemical elements taken from the soil by previous crops.

肥料能提高土壤的肥力，或补充土壤中被以前作物吸收的化学元素。

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"We have had record crops for the three previous years, " he says.

BBC: Spain's bumper olive years come to bitter end

Previous Zynga games enabled players to help a friend grow crops by clicking on them or collect rent on behalf of them.

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