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()是指一年之内在同一土地上种植两季或多季作物的种植方式。...
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下列属于短日照作物的有()。A、大豆B、马铃薯C、烟草D、荞麦E、甘蔗...
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与叶片有关的几个生理指标是()、光合势(LAD)和()。...
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