玉米机械深施肥技术及配套机具深施肥就是把化肥施到６～９ｃｍ以下土壤中，包括春季打垄深施底肥和中耕深追肥，用机械完成这一作业就称机械深施肥。现介绍两种机械深施肥方法。（１）春季深施底肥传统农艺是三月底至四月初，在原垄沟中首先施上农家肥，然后由人工施加化... Deep fertilization of maize machinery technology and supporting equipment deep fertilization is the fertilizer applied to 6 ~ 9cm below the soil, including the spring to play a deep foundation fertilizer and cultivate deep dressing, the mechanical completion of this operation is said to mechanical deep fertilization. Now introduce two kinds of mechanical deep fertilization method. (1) Spring deep base fertilizer Traditional agronomy is the end of March to early April, the first in the original ditch manure applied, and then manually applied ...