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Nitrogen uptake and its utilization by rice in paddy field of Taihu area

Song, Y.; Fan, X.

Ying Yong Sheng Tai Xue Bao 14(11): 2081-2083

2003

ISSN/ISBN: 1001-9332
PMID: 14997683
Document Number: 562548
The effects of different amounts and kinds of nitrogen fertilizer on rice yield and its nitrogen uptake and utilization were studied on a main paddy soil (Wushan soil) of Taihu area. The results indicated that the optimal amount of nitrogen fertilizer was about 180 kg N.hm-2 for rice production. Applying ammonium sulfate was better than applying urea for increasing rice yield. The efficiency of nitrogen fertilizer in this experiment was about 41.8-48.5%, and its loss was 22.8-38.1%.

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