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3 油菜季土壤pH、土壤养分、养分吸收量和产量等指标间相关性分析

Table 3 Correlation analysis between soil pH, soil nutrient, nutrient uptake content and yield in rape season

产量 Yield 吸氮量 N uptake content 吸磷量 P uptake content 吸钾量 K uptake content 速效氮 Available N 有效磷 Available P 速效钾 Available K 交换性钙 Exchangeable Ca2+ 交换性镁 Exchangeable Mg2+ 吸氮量 N uptake content 0.923** 1 吸磷量 P uptake content 0.699 0.863* 1 吸钾量 K uptake content 0.929** 0.946** 0.818* 1 速效氮 Available N 0.881* 0.8 0.803 0.861* 1 有效磷 Available P -0.913* -0.549 -0.920** -0.660 -0.634 1 速效钾 Available K -0.897* -0.697 -0.673 -0.969** -0.737 0.863* 1 交换性钙 Exchangeable Ca2+ 0.857* 0.888* 0.994** 0.837* 0.847* -0.944** -0.691 1 交换性镁 Exchangeable Mg2+ 0.741 0.879* 0.973** 0.786 0.811 -0.910* -0.639 0.988** 1 pH 0.874* 0.931** 0.950** 0.927** 0.929** -0.992** -0.812* 0.971** 0.948**