EFFECTS OF NP COMBINATIONS ON YIELD AND QUALITY OF HIGH-PROTEIN SOYBEAN(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Title:: EFFECTS OF NP COMBINATIONS ON YIELD AND QUALITY OF HIGH-PROTEIN SOYBEAN

Author(s):: Chen Jinkun ¹ 　 Sun Zhengguo ¹　 Xu Xiuyin¹ 　 Wu Rongshi ²; (1.Nanton Agricutrual Vocation College ,Nantong 226007;2.RugaoGrain and Cotton Foundation Seed Farm)

Abstract:: A soybean cultivar Nannong 88 -31 was used to carry out a fetilizing experiment of different NPproportions, and to study the adjusting effects of NP proportion on soybean yield and protein content .Itproves that NP prorotions have effects on grain yield and grain protein yield of soybean .The optimum NPproportion for soybean seed yield and protein content of Nannong 88 -31 is N150kg/hm 2 to P 2 O 5 75kg/hm2;NP proportion may adjust soybean leaf size and accumulation of dry substance .But the effect mainlyattribute to nitrogenous fertilizer .The increase of soybean’s leaf size and accumulation of dry substance isin accordiance with the amount of nitrogenous fertilizer.T he adjusting effect of NP proportions on proteincontent of soybean seed is not obvious.

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Last Update: 2016-12-14