不同施氮量对冬小麦产量、效益及土壤理化性状的影响
黄寅玲,雷忠顺,郑涛,索新霞

Effects of Different Nitrogen Concentrations on Yield and Benefit of Winter Wheat and Soil Physical and Chemical Properties
Yinling Huang,Zhongshun Lei,Tao Zheng,Xinxia Suo
表4 不同施氮量处理对冬小麦经济效益的影响
处理
Treatment
总产值
Total value of output
追肥人工及尿素投入Topdressing artificial and urea input 较W1增收
Gain more than W1
较W5增收
Gain more than W5
尿素Urea 人工Labor 小计Subtotal
W1 14 841.90 - - - - -
W2 19 468.35 777.0 300.0 1 077.0 3 549.45 -2 295.90
W3 21 110.55 943.5 300.0 1 243.5 5 025.15 -820.20
W4 22 066.20 1 054.5 300.0 1 354.5 5 869.80 24.45
W5 22 097.25 1 110.0 300.0 1 410.0 5 845.35 -
W6 22 124.85 1 165.5 300.0 1 465.5 5 817.45 -27.90