3Bennett J M, Jones J W, Zur B. et al. Interactive effects of nitrogen and water stress on water relations of fieldcorn leaves [J]. Agron J, 1986, 78: 273-280.
4Arnon I. Physiological principles of dryland crop production [A]. Cupta U. Physiologcal aspects of dryland farming [C]. Oxford: Oxford and IBH Publisers, 1975. 1-124.
5Begg J E, Turner N C. Crop and water deficits [J]. Adv Agron. 1976, 28: 161-182.
6Bhan S, Misra D K. Effects of variety spacing and soil fertility on root development in groundnut under arid conditions [J]. Indian J Agric Sci, 1970, 5: 1050-1055.
7Rahman M S, Yoshida S. Effect of water stress on grain filling in rice [J]. Soil Sci Plant Nutri, 1985, 31: 497-511.
8Kobata T, Takami S. Maintenance of the grain growth in rice subjected to water stress during the early grain filling [J]. Japanese J Crop Sci, 1981, 50: 536-545.
