在小麦生长后期进行根外喷肥,用肥力,肥效快,增产效果显著。据莒南县良种繁育场、安前大队和临沂专区农科所等不少单位试验,不论水田、旱田、肥地、瘦地,在小麦孕穗期喷尿素的,比不喷的增产9%以上;同期喷人尿的,比不喷 In the latter part of the growth of wheat root spray, with fertility, fertilizer fast, significant yield increase. According to the Junan County seed breeding field, the Anqian brigade and Linyi Prefecture Agricultural Branch and many other units tested, regardless of paddy fields, dry land, fertile land, thin land, spraying urea at the booting stage of wheat, non-spray than the increase of more than 9% ; The same time spray urine, than not spray