旱地马铃薯氮磷钾肥效应及缓释尿素的效果

段海燕张晓霞段玉张君姚俊卿王博

The research of fertilizer efficiency of N, P, K and Controlled Release Urea（CRU） effect for potato in semi-arid area

北方农业学报 . 2015, (6): 34 -34 .