减施氮肥和接种根瘤菌对黑大豆光合特性及产量的影响
孙庆圣, 原程, 张玉先

Effects of Reducing Nitrogen Fertilizer and Inoculating Rhizobium on Photosynthetic Characteristics and Yield of Black Soybean
Sun Qingsheng, Yuan Cheng, Zhang Yuxian
图3 减施氮肥和接种根瘤菌对黑大豆叶绿素含量的影响
Fig.3 Effects of reducing nitrogen fertilizer and inoculating Rhizobium on chlorophyll content of black soybean