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1.划锄在土壤返浆时进行划锄,可以松土、保墒、增温、除草,增强麦苗的御寒能力。一般划锄后7～10天,白天5厘米土层内平均地温可提高0.5℃～1℃,对促进根系发育和养分转化十分有利。因此,不论弱苗、旺苗还是壮苗,都要在返青期间抓紧划锄。对于有旺长趋势的麦田,还可以适当深锄,
1 plan hoe back in the soil when planning hoe, you can loosen soil, soil moisture, warming, weeding, enhance the ability of wheat seedlings warm. Generally planted hoe 7 to 10 days, 5 cm during the day the average ground temperature can be increased by 0.5 ℃ ~ 1 ℃, to promote root development and nutrient conversion is very favorable. Therefore, regardless of weak seedlings, Wang Miao or strong seedlings, we must pay close attention to hoeing during the rejuvenation. For a long wheat field trend, but also can be appropriate deep hoe,