相同气候背景下南北方稻田土壤上水稻生长及氮响应差异研究
黄秋红,刘智蕾,李鹏飞,车俊杰,于彩莲,彭显龙

Difference in Nitrogen Responses and Nitrogen Efficiency of Different Paddy Soils in Southern and Northern China Under the Same Climatic Condition
HUANG QiuHong,LIU ZhiLei,LI PengFei,CHE JunJie,YU CaiLian,PENG XianLong
图4 不同土壤上水稻叶片SPAD值对氮素的响应
Fig. 4 Response of rice leaf SPAD to nitrogen in different soils