控释尿素基施深度对夏玉米产量和氮素利用的影响
丁相鹏(
),李广浩,张吉旺,刘鹏,任佰朝,赵斌()
),李广浩,张吉旺,刘鹏,任佰朝,赵斌()
Effects of Base Application Depths of Controlled Release Urea on Yield and Nitrogen Utilization of Summer Maize
DING XiangPeng(),LI GuangHao,ZHANG JiWang,LIU Peng,REN BaiZhao,ZHAO Bin()
),LI GuangHao,ZHANG JiWang,LIU Peng,REN BaiZhao,ZHAO Bin()
图6. 控释尿素不同施肥深度对土壤硝态氮、铵态氮的影响（2014年）
Fig. 6. Effects of different fertilization depths of controlled release urea on soil nitrate nitrogen and ammonium nitrogen (2014)
