我国主要麦区农户施肥评价及减肥潜力分析
黄倩楠1(
),党海燕1(),黄婷苗1,侯赛宾1,王朝辉1,2()
),党海燕1(),黄婷苗1,侯赛宾1,王朝辉1,2()
Evaluation of Farmers’ Fertilizer Application and Fertilizer Reduction Potentials in Major Wheat Production Regions of China
HUANG QianNan1(),DANG HaiYan1(),HUANG TingMiao1,HOU SaiBin1,WANG ZhaoHui1,2()
),DANG HaiYan1(),HUANG TingMiao1,HOU SaiBin1,WANG ZhaoHui1,2()
图4. 我国不同麦区农户小麦产量与0—20 cm 土壤养分的关系
图中实线代表平均产量,虚线代表养分平均含量
Fig. 4. Relationships of farmers’ grain yield to soil nutrients of 0-20 cm layer in major wheat production regions of China
The full line represents mean value of wheat grain yield. The dotted line represents mean concentration of soil nutrient
