Title: Effects of combined application of N, P and K on rice yields and regular of absorbing nutrients on saline-alkaline land.
Abstract: Effects of different fertilizations on rice yield characteristics and regulars of absorbing nutrients were investigated with field plot experiments on saline-alkali land.The results showed that the yield of rice was increased 95.5% when NPK combined application reasonably in comparison with CK on saline-alkaline land.Nitrogen,phosphorus and potassium uptake in the rice were increased 100 kg/hm2、30 kg/hm2 and 80 kg/hm2 than CK,respectively.For the fertility of paddy soil salinization was less,it is important that nitrogen fertilizer repeated application for increasing rice yield and fertilizer use efficiency.The available phosphorus of soil was often decreased after rice planting,therefore,reasonable input of nitrogen fertilizer and reasonable NPK fertilizer combined application are a good measure for keeping rice yields in the future on saline-alkaline land,as well as,continue to enhance the study of the effectiveness of phosphate fertilizer.
Publication Year: 2010
Publication Date: 2010-01-01
Language: en
Type: article
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Cited By Count: 1
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