The paddy soil probably had a long history of tillage, and furthermore it had formed gley horizon and illuvium, but its fertility was not high either.
水稻土有较
作历史，并已形成了潜育层和潴育层，但土壤肥力并不高。
耘,地
词作,种;作;The paddy soil probably had a long history of tillage, and furthermore it had formed gley horizon and illuvium, but its fertility was not high either.
水稻土有较作历史，并已形成了潜育层和潴育层，但土壤肥力并不高。
A control program might involve early preplant tillage to encourage germination of the weed seeds, followed by shallow tillage prior to planting to kill the emerged weeds.
这样，在地
办法促使杂草萌发，随后在播种
将其杀灭。
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