我国冬油菜典型种植区域土壤养分现状分析

任涛,郭丽璇,张丽梅,杨旭坤,廖世鹏,张洋洋,李小坤,丛日环,鲁剑巍

Soil Nutrient Status of Oilseed Rape Cultivated Soil in Typical Winter Oilseed Rape Production Regions in China

Tao REN,LiXuan GUO,LiMei ZHANG,XuKun YANG,ShiPeng LIAO,YangYang ZHANG,XiaoKun LI,RiHuan CONG,JianWei LU

表4 我国长江流域冬油菜典型种植区域土壤中微量元素含量

Table 4 Distribution of soil micro-nutrient content in typical winter oilseed rape production regions in the Yangtze River Basin

区域 Region 指标 Parameter 有效钙 Available-Ca (mg·kg-1) 有效镁 Available-Mg (mg·kg-1) 有效硫 Available-S (mg·kg-1) 有效铁 Available-Fe (mg·kg-1) 有效锰 Available-Mn (mg·kg-1) 有效铜 Available-Cu (mg·kg-1) 有效锌 Available-Zn (mg·kg-1) 有效硼 Available-B (mg·kg-1) 长江上游 Upper YRB 范围 Range 91.6-7032.0 13.9-636.0 3.2-115.3 5.0-832.6 7.1-324.2 0.45-9.68 0.36-13.35 0.09-3.39 均值 Mean 2871.4a 217.0b 23.5a 156.2c 69.7b 3.16b 3.63b 0.50a 变异系数 CV (%) 67.9 62.6 75.2 110.6 87.1 60.6 70.5 89.5 长江中游 Middle YRB 范围 Range 145.4-6410.4 25.9-822.0 4.5-86.3 9.3-812.7 10.1-424.7 0.21-8.62 0.17-13.30 0.05-2.52 均值 Mean 2160.5b 208.2b 22.5a 222.9b 98.1a 4.00a 4.08ab 0.41b 变异系数 CV (%) 77.9 74.2 66.8 78.1 82.7 45.4 59.9 54.9 长江下游 Lower YRB 范围 Range 224.9-6360.0 26.1-759.0 4.7-145.2 16.1-880.7 11.2-281.0 0.31-12.57 0.12-12.53 0.14-1.43 均值 Mean 2508.4ab 295.5a 21.3a 270.3a 98.3a 4.36a 4.54a 0.48ab 变异系数 CV (%) 60.1 55.2 92.1 76.9 78.3 49.7 62.4 58.5 区域整体 YRB 范围 Range 91.6-7032.0 13.9-822.0 3.2-145.2 5.0-880.7 7.1-424.7 0.21-12.57 0.12-13.35 0.05-3.39 均值 Mean 2436.1 225.7 22.6 212.3 89.7 3.84 4.03 0.45 变异系数 CV (%) 72.4 68.2 74.0 87.0 84.4 51.5 63.7 71.3