3Sa TW, Israel DW. Energy status and functioning of phosphorus - deficient soybean nodules [ J ]. Plant Physiology,1991,87: 928 ～ 935
4Sinclair TR Nitrogen influence on the physiology of crop yield [A]. In: Theoretical production Ecology: Reflections and Prospects [C]. Rabbing, R., 1990,41～55
9Mattos D Jr, Graetz DA, Alva AK. Biomass distribution and nitrogen-15 partitioning in citrus trees on a sandy entisol [J]. Soil Sci. Ameri. J., 2003,67: 555 ～ 563
10Meinzer Tu. Nitrogen stress reduces the deficiency cf the C4 CO2 concentration system and, therefore, the quantum yield, in Saccharum (sugarcane) species [ J]. J. Experim. Bot., 1998,49:1227 ～ 1234
