小麥播種(zhong)以前(qian),整地是關鍵,具體(ti)有以下(xia)注意事項
1、選地:一般選擇灌排水方便、能適時收割前茬作物、地力較好、鹽堿較輕的旱茬地;同時注意協調好冬麥生長中后期同鄰作水稻的關系,以免(mian)冬小麥的生長(chang)受到影響(xiang)。
2、灌水:播前要灌好“白露”水。前茬作物收獲前7~15天內及時灌水增墑,為冬麥保全苗打好基礎。3、整地:播前整好地,耕深在20厘米以上,做到田面平整、土塊細碎、上虛下實;拾凈根茬;推薦使用旋耕機械進行作業,以便為冬麥播種及生長創造良好的土壤條件。對稻茬地要適度涼田后整地,只旋不梨。
4、品(pin)種選擇:全面推廣寧冬10號和寧冬11號,生產用種必須使用籽粒(li)飽滿,純度(du)(du)不低(di)于(yu)99%、凈度(du)(du)不低(di)于(yu)98%、發芽率不低(di)于(yu)85%、含水率不超過13%的良種。
5、基(ji)肥(fei)(fei):播前(qian)結(jie)合(he)整地每畝基(ji)施農家肥(fei)(fei)2000~4000公(gong)(gong)(gong)斤(jin)(jin)(jin)或有機無(wu)機復合(he)肥(fei)(fei)50公(gong)(gong)(gong)斤(jin)(jin)(jin);基(ji)施化肥(fei)(fei)畝施碳銨50公(gong)(gong)(gong)斤(jin)(jin)(jin),普磷35~50公(gong)(gong)(gong)斤(jin)(jin)(jin),或40%含量以(yi)上(shang)的復合(he)肥(fei)(fei)30~40公(gong)(gong)(gong)斤(jin)(jin)(jin),碳銨30~40公(gong)(gong)(gong)斤(jin)(jin)(jin)。













