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14、ng Li Guochen1,2, Ma Chenglin1, Yu Haiye1, Liu Dehui1,Wang Rui1 1.College of Biological and Agricultural Engineering, Jilin University, Changchun 130025; 2.College of Engineering, Shenyang Agricultural University, Shenyang 110161 1. Abstract Technology of water-saving has been an important method of
15、 decreasing crop producing cost and improving benefit. This paper presented the water resource pressuring situation, analyzed three main section in water-saving, and particularly discussed the method of diagnosing crop water stress. Leaf water potential, stomatal conduction and leaf transpiration ar
16、e the standard of diagnosing crop water stress, but can not realtime controlling irrigation. Furtheremore, the paper discussed that the trend of the technology for detecting plant water stress and measurement of decision-making for irrigation. Keywords: water-saving; water stress; present situation. 1968CAD/CAM - This document was created with Win2PDF available at http:/.The unregistered version of Win2PDF is for evaluation or non-commercial use only.
