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Study on the Effects of Nitrogen, Phosphorus and Potassium on Almond Based on 3414 Field Experiments in Xinjiang Shache County
Author(s): 
Pages: 2215-2221
Year: Issue:  12
Journal: Xinjiang Agricultural Sciences

Keyword:  almond3414 experimentsrecommended fertilization;
Abstract: [目的]开展新疆莎车‘叶尔羌’扁桃3414试验,确定莎车叶尔羌扁桃树体施肥的参数,为莎车‘叶尔羌’扁桃丰产提供施肥的科学依据.[方法]利用‘叶尔羌’扁桃坐果率,运用最小二乘法进行拟合方程,得其回归方程经检验合格后,偏导微分方程组得结果.[结果]N、P、K对扁桃坐果率影响大小顺序为K>N>P,增产效果居首位的为K肥,提高坐果率最佳施肥用量为N:0.518 6 kg、P2O5 0.413 5 kg、K2O:0.254 9 kg,用此配比的复方肥可使扁桃的坐果率达到54%.[结论]莎车县扁桃在株施最佳施肥量的前提下,配合喷施叶片肥(各种微量矿质元素),营养供给才能达到扁桃树体要求.
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