TONG Chang-hua, YANG Xiao-e, PU Pei-ming. Effect on polluted water decontaminated by hydrophytes in low temperature [J]. J Soil Water Cons, 2003, 17(2): 159-163(in Chinese).
[2]
Wu Zheng-bing, Qiu Dong-ru. Studies on eutrophicated water quality improvement by means of aquatic macrophytes[J]. J Wuhan Bot Res, 2001, 19(4) : 299-303(in Chinese )
[3]
Wu Zheng-bing, Qiu Dong-ru. Effects of rehabilitation of submerged macrophytes on nutrient level of a eutrophic lake[J]. Chin JAppl Ecol, 2003, 14(8): 1351-1353.
[4]
YOU Wen-hui, LIU Su-yuan, QIAN Xiao-yan. A study on polluted water body purification with economical aquatic plants [J]. J East China Normal Univ(Nat Sci), 2001( 1 ) :99-102.
Magalhaes J R, Huber D M. Response of ammonium assimilation enzymes to nitrogen form treatments in different plants species[J]. J Plant Nutr, 1991, 14(2):175-185.
[10]
Villa M S, Gontalez G A, Torres J L T, at al. Effect of the NH4^+/NO3^- ratio on GS and PEPcase activities and dry matter production in wheat[J]. J Plant Nutr, 1992, 15 ( 11 ): 2545-2557.
[11]
Lin C C, Kao C H. Disturbed ammonium assimilation is associated with growth inhibition of roots in rice seedlings caused by NaCI[J]. Plant Growth Regulation, 1996, 18 : 233-238.
[12]
De la Haba P, Aguera E, B enitez L, et al. Modulation of nitrate reductase activity in cucumber(Cucumissativus)roots[J]. Plant Science, 2001, 161:231-235.
Wang Y F, Yu Z W, Li S X, et al. Effect of nitrition on the change of key enzyme activity during the nitrogen metabolism and kernel protein in winter wheat[J]. Acta Agronomica Sinica, 2002, 28 (6) :743-748.
[16]
Li C F, Ma F M, Zhao Y, et al. Effects of Nitrogen Forms on Key Enzyme Activities and Related Products in Sugar and Nitrogen Metabolism of Sugar Beet (Betavulgari. s L. )[J]. A cta Agronomica Sinica, 2003, 29 (1):128-132.
[17]
Marwaha R S, Juliano B O. Aspects of nitrogen metabolism in the rice seeding[J]. Plant Physiol, 1976, 57:923-927.
Alexander K G, Miller M H, Beanchamp E G. The effect of an NH4^+- enhanced nitrogen source on the growth and yield of hydroponically grown maize( Zea mays L. ) [J]. J Plant Nutri, 1991, 14: 31-34.
[20]
Sagi M, Dovrat A, Kipnis T. Nitrate Reductase, phosphoenolpyruvate carboxylase, and glutamine synthetase in annual ryegrass affected by salinity and nitrogen[J]. Journal of Plant Nutrition, 1998, 21 (4) : 707-723.
