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
耕作历史，并已形成了潜
潴，但土壤肥力并不高。
剂;
;
;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.
水稻土有较耕作历史，并已形成了潜潴，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，在耕地前想办法促使杂
萌发，随后在播种前浅耕将其杀灭。
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