石灰用量对水稻油菜轮作区土壤酸度、土壤养分及作物生长的影响

闫志浩,胡志华,王士超,槐圣昌,武红亮,王瑾瑜,邢婷婷,余喜初,李大明,卢昌艾

Effects of Lime Content on Soil Acidity, Soil Nutrients and Crop Growth in Rice-Rape Rotation System

ZhiHao YAN,ZhiHua HU,ShiChao WANG,ShengChang HUAI,HongLiang WU,JinYu WANG,TingTing XING,XiChu YU,DaMing LI,ChangAi LU

表1 初始土壤基本理化性状

Table 1 Soil basic physical and chemical properties

有机质 OM (g·kg-1) 速效氮 Available N (mg·kg-1) 有效磷 Available P (mg·kg-1) 速效钾 Available K (mg·kg-1) 全氮 Total N (g·kg-1) 交换性钙 Exchangeable Ca (mg·kg-1) 交换性镁 Exchangeable Mg (mg·kg-1) pH 27.7 62.75 30.65 97.5 1.49 252.72 21.19 4.52