早熟与常规熟期冬油菜品种养分吸收规律差异研究

胡宇倩,资涛,熊廷浩,张振华,宋海星

Study on the Difference of Nutrient Absorption between Winter Rape Cultivars at Early Maturity and Conventional Maturity

Yuqian Hu,Tao Zi,Tinghao Xiong,Zhenhua Zhang,Haixing Song

表1 两种熟期冬油菜品种收获期干物质及养分积累量差异比较

Table 1 Comparison of dry matter and nutrient accumulation between two kinds of winter rape cultivars at harvest stage kg/hm2

品种Cultivar 总干物质Total dry matter 籽粒产量Oilseed yield 氮Nitrogen 磷Phosphorus 钾Potassium 湘油420 Xiangyou 420 12 412ab 3 433a 134.1a 31.7a 302.4a 湘油642 Xiangyou 642 09 685b 2 187b 117.4b 28.4ab 248.9b 湘油1035 Xiangyou 1035 13 427a 3 180a 109.1b 27.4ab 322.7a 湘杂油710×1035 Xiangzayou 710×1035 11 326ab 2 688ab 093.5c 23.5b 303.1a