安徽省主要作物秸秆养分资源量及还田利用潜力

柴如山,徐悦,程启鹏,王擎运,马超,叶新新,章力干,郜红建

Nutrient Resource Quantity of Main Crop Straw and Utilization Potential Under Straw Returning in Anhui Province

CHAI RuShan,XU Yue,CHENG QiPeng,WANG QingYun,MA Chao,YE XinXin,ZHANG LiGan,GAO HongJian

表2 2016—2018年安徽省不同区域主要作物秸秆养分资源年均产量

Table 2 Annual average yields of main crop straw nutrient resources in different regions of Anhui province during the period of 2016-2018

区域 Region 作物 Crop 秸秆养分量Straw nutrient quantity (×103 t) N P2O5 K2O 淮北 North area of Huai River 水稻Rice 12.06±0.70 3.95±0.23 30.19±1.74 小麦Wheat 102.47±2.72 28.88±0.77 199.48±5.30 玉米Maize 57.67±5.83 21.54±2.18 89.15±9.01 油菜Rapeseed 1.08±0.09 0.40±0.03 2.90±0.24 江淮 Area between Yangtze River and Huai River 水稻Rice 88.34±6.20 28.90±2.03 221.11±15.53 小麦Wheat 36.41±0.66 10.26±0.18 70.88±1.28 玉米Maize 4.84±1.06 1.81±0.39 7.48±1.63 油菜Rapeseed 8.40±2.90 3.10±1.07 22.59±7.79 沿江 Edge area of Yangtze River 水稻Rice 41.54±0.79 13.59±0.26 103.98±1.97 小麦Wheat 5.32±0.72 1.50±0.20 10.35±1.39 玉米Maize 1.60±0.15 0.60±0.06 2.48±0.23 油菜Rapeseed 10.31±0.59 3.80±0.22 27.72±1.57 江南 South area of Yangtze River 水稻Rice 18.04±0.26 5.90±0.09 45.16±0.66 小麦Wheat 2.15±0.20 0.61±0.06 4.18±0.38 玉米Maize 1.37±0.14 0.51±0.05 2.11±0.22 油菜Rapeseed 4.09±0.42 1.51±0.15 11.00±1.13