沟施 meaning in English

strip dressing

Before maize interplanting , 40 % of n , all of p and k and even small amount of organic manure are used by furrow application as basal , or dressed in seedling stage after wheat harvest if operation is difficult to be put into interplanting space
套种玉米前，沟施40 %氮、全部磷、钾甚至少量有机肥作为基肥，或者当施入套种带作业困难时在小麦收获后苗期追肥。