不同磷源及用量对冷浸田水稻磷素吸收利用的影响OA
Effects of Different Phosphorus Sources and Amount on Rice Yield and Phosphorus Use in Cold-waterlogged Paddy Filed
[目的]研究不同磷源及用量对冷浸田水稻磷素吸收利用和产量的影响,探求在冷浸田水稻磷肥适宜用量.[方法]以D优202为材料,在皖南山区冷浸田中开展钙镁磷肥和过磷酸钙2个磷肥品种及3个磷素水平田间试验.[结果]在冷浸田开沟降渍的条件下,施钙镁磷肥的增产效果比过磷酸钙好,均以75 kg/hm2 P2O5产量最高.冷浸田施磷有利于水稻有效分蘖的形成.过量施磷导致每稳实粒数和千粒重降低,不利于产量的进一步提高.[结论]在研究条件下,冷浸田水稻施磷以75 k…查看全部>>
[ Objective ] The effects of different phosphorus sources and amount on rice yield and phosphorus use in cold-waterlogged paddy field were studied, and the appropriate amount of phosphorus was explored. [Method] D You 202 was taken as materials. The field experiment of two kinds of phosphatic fertilizers and three levels was carried out. [ Result ] Under the condition of ditching in the cold-waterlogged paddy field, the effect of calcium magnesium phosp…查看全部>>
张祥明;郭熙盛;王文军;凌国宏;洪国胜
安徽省农业科学院土壤肥料研究所,安徽合肥 230031安徽养分循环与资源环境省级实验室,安徽合肥 230031安徽省农业科学院土壤肥料研究所,安徽合肥 230031安徽养分循环与资源环境省级实验室,安徽合肥 230031安徽省农业科学院土壤肥料研究所,安徽合肥 230031
农业科技
冷浸田磷肥产量磷素利用
Cold-waterlogged paddy filed Phosphate fertilizer Yield Phosphorus utilization
《安徽农业科学》 2012 (34)
16604-16606,3
公益性行业(农业)科研专项(201003059-07)项目.
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