首页|Advances in Nitrogen Loss Leached by Precipitation from Plant Canopy

Advances in Nitrogen Loss Leached by Precipitation from Plant Canopy

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Function of canopy in changing nutrient cycle and flux is one of the focuses in recent years. On the basis of comprehensively appraising published research, we analyzed the nitrogen loss leaching from plant canopy and several factors which affected it. We pointed out the disadvantages of the published researches and the key issues that ought to be solved: (1) The menstruation need to be advanced, and the research should be carried out on nitrogen loss leaching from the canopy of the field plant. (2) If the nitrogen is leached from the plant canopy, the research on the type of nitrogen loss should be carried out, and the nitrogen use efficiency of different varieties should be dealt on a research perspective with regard to the nitrogen leaching. (3) The research should be conducted on the mechanism and pathway, and the progress of nitrogen leaching; and the factors affecting nitrogen leaching should be included in the research, such as the leaf area of different growth stages, stomata densities, stomata conductance, and the apparent free space, which are beneficial to explain the mechanism of nitrogen leaching from the plant canopy.

plant canopy, nitrogen loss, research advances

LI Shi-qing、JI Chun-rong、FANG Ya-ning、CHEN Xiao-li、LI Sheng-xiu

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State Key Laboratory of Soil Erosion and Dryland Farming on Loess Plateau/Institute of Soil and Water Conservation, Chinese Academy of Sciences/Ministry of Water Resources, Yangling 712100, P.R.China

Department of Natural Resources and Environment, Northwest A & F University, Yangling 712100, P.R.China

国家自然科学基金国家自然科学基金Talent Program in West China of Chinese Academy of Sciences

30670326305711162006LH01

2008

农业科学学报(英文)
中国农业科学院农业信息研究所

农业科学学报(英文)

影响因子:0.576
ISSN:2095-3119
年,卷(期):2008.7(4)
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