The deflation of alfalfa field is only (41.81%) of that of corn field in spring.
春季苜蓿地土壤风蚀量仅为玉米地的41.81%。
The soil available phosphate was lower than that of wheat-corn rotation land, but higher than that of vegetable land and spring abandoned land. secondly, during the edible fungi growing in field, t…
土壤速效磷含量低于小麦—玉米地，但较菜园地及春闲地高得多，木耳在田间生长期间，菌块附近土壤的各种养分含量成倍增加。
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