3Herdt RWO.Research priorities for rice biotechnology [A].Khush GS. Toenniessen Gh.Rice biotechnology CAB International [C].Philippines:Wallingford/IRRI,Los Banos,1991.
4中国土壤学会.土壤农业化学常规分析方法[M].北京：科学出版社,1983..
5Herdt R W O.Research priorities for rice biotechnology.In:Khush G S,Toenniessen G H,ed.Rice Biotechnology CAB International.Philippines:Wallingford/IRRI,Los Banos,1991.
6Lu Z X,Yu X P,Heong K L,Hu C.Effects of nitrogen nutrient on the behavior of feeding and oviposition of the brown planthopper,Nilarpavata lugens,on IR64.Journal of Zhejiang University(Agriculture and Life Science),2005,31(1):62-70.
