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1低温年份下玉米苗期管理2015年在东北出现了倒春寒,在5月上旬温度持续偏低,特别在5月6~9日温度达到0℃以下,导致一些发苗早的地块,出现局部或全部冻死苗现象,苗率苗低的只有60%~70%,加之苗后期还将会出现旱涝不均的现象,如不采取积极的补救措施,将会造成严重减产,带来严重的经济损失,针对这种特殊的环境条件,应采取查苗、补种、补苗、间苗等科学措施加以应对。1.1查苗首先查看已经出苗的地块,计算一下被冻死玉米
1 Management of seedling stage of maize in low temperature years In late spring, there appeared a late spring cold in 2015. In early May, the temperature continued to be low, especially when the temperature reached 0 ℃ on May 6 ~ 9, leading to some areas with early emergence Or all frozen dead seedling phenomenon, seedling rate is low, only 60% to 70%, combined with post-emergence will also appear uneven drought and flood, if not taken a positive remedial measures, will result in serious cuts, resulting in serious Of the economic losses, for this special environmental conditions, should take the investigation seedlings, replanting, fill Miao, Miao and other scientific measures to deal with. 1.1 Check Miao first see the plots have been sprouting, calculate the frozen dead corn