小麦追肥用尿素,这些方法要记住!3个错误不能犯!
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锄划松土这是促麦苗提早返青、健壮生长的重要措施。因为疏松表土,改善了土壤的通气条件,可提高地温,促进根系发育。由于切断了毛细管,可阻止下层土壤水分上升,起到了保墒的作用。施肥返青肥要因苗追施。对于冬前....