控释氮肥对寒地粳稻产量及氮肥利用率的影响
孙 磊
Effects of Controlled Release Urea on Yield and Nitrogen Use Efficiency of japonica Rice in Cold Field
中国稻米 . 2011, (4): 25 -26 .  DOI: 10.3969/j.issn.1006-8082.2011.04.006