黄淮海夏玉米一次性施肥技术效应研究
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杨岩, 谭德水, 江丽华, 郭建华, 孙克刚, 徐钰, 石璟, 王梅, 刘兆辉
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The Effects of One-off Fertilization of Summer Maize in Huang-Huai-Hai Region
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Yan YANG, DeShui TAN, LiHua JIANG, JianHua GUO, KeGang SUN, Yu XU, Jing SHI, Mei WANG, ZhaoHui LIU
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| 表7 不同处理经济效益分析 |
| Table 7 Economic analysis of different treatments (yuan/hm2) |
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处理
Treatments | 两年平均产量
Average yield (kg·hm-2) | 产值
Output value
(yuan/hm2) | 人工费[5]
Labour cost
(yuan/hm2) | 氮肥成本
N cost
(yuan/hm2) | 收益
Profit
(yuan/hm2) | 增收
Net income
(yuan/hm2) | | N0PK | 6235.94 | 9977.50 | 0 | - | 9977.50 | - | | FP | 8329.90 | 13327.85 | 900 | 862.99 | 11564.86 | - | | OPT | 9026.16 | 14441.86 | 900 | 815.79 | 12726.07 | 1161.21 | | CRFA | 9028.08 | 14444.92 | 0 | 1107.45 | 13337.47 | 1772.61 | | CRFA80%N | 8749.53 | 13999.26 | 0 | 886.03 | 13113.23 | 1548.37 | | CRFB80%N | 8591.03 | 13745.65 | 0 | 1033.98 | 12711.67 | 1146.81 | | CRFC80%N | 8362.19 | 13379.50 | 0 | 887.24 | 12492.26 | 927.40 |
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