应用~(15)N示踪法对油菜秸秆还田肥效的研究
刘启鑫;聂光明;
STUDIES ON THE MANURIAL EFFICIENCY OF RAPE STALKS USING ~(15)N ISOTOPE TRACER
Liu Qi-xin Nie Guang-ming ( Southwest Agricultutal University )
J4 . 1987, (02): 40 -43 .  DOI: 10.11869/hnxb.1987.02.0040