The intensive cropping development is slow;
多熟种植制的发展缓慢；
Under intensive cropping with retention of crop residue management regimes, soils can become suppressive to Rhizoctonia root rot.
保留作物残体的精耕栽培制度可使土壤变为对病害有抑制作用的抑病土。
The historical evolution of tillage system in China can be divided into four stages: abandoning cropping system, fallow cropping system, rotational cropping system, and intensive cropping system.
我国农作制度的历史演进过程大致可以划分为四个时期，即撂荒制、休闲制、轮种制和集约制。
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