Journal of Geographical Sciences ›› 2019, Vol. 29 ›› Issue (5): 818-830.doi: 10.1007/s11442-019-1630-1
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Wenhao WU1(), Zongfeng CHEN1, Yuheng LI2,*(
), Yongsheng WANG2, Jiayu YAN2,3, Chuanyao SONG2,3
Received:
2018-07-23
Accepted:
2018-12-15
Online:
2019-05-25
Published:
2019-04-19
Contact:
Yuheng LI
E-mail:wuwh@mail.bnu.edu.cn;liyuheng@igsnrr.ac.cn
About author:
Author: Wu Wenhao (1992-), PhD Candidate, E-mail:
Supported by:
Wenhao WU, Zongfeng CHEN, Yuheng LI, Yongsheng WANG, Jiayu YAN, Chuanyao SONG. Land engineering and its role for sustainable agriculture in the agro-pastoral ecotone: A case study of Yulin, Shaanxi Province, China[J].Journal of Geographical Sciences, 2019, 29(5): 818-830.
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Table 1
Comparison of crop yields and economic benefits between normal conditions and the present study for Yulin City in 2017"
Crop types | Planting area | Yield (ton/ha) | Unit price (yuan/kg) | Gross income (yuan/ha) |
---|---|---|---|---|
Corn | Experiment | 12.00-14.25 | 1.40 | 16800-19950 |
Normal | 11.25 | 15750 | ||
Potato | Experiment | 25.50-42.00 | 1.40-1.60 | 35700-67200 |
Normal | 36.00 | 50400-57600 | ||
Soybean | Experiment | 3.60-4.50 | 4.00 | 14400-18000 |
Normal | 3.00-4.50 | 12000-18000 |
Table 2
Land consolidation costs for the study (for prices at 2014)"
Compound types and ratios | Raw material (yuan/ha) | Field leveling (yuan/ha) | Base fertilizer (yuan/ha) | Plow (yuan/ha) | Total (yuan/ha) | |
---|---|---|---|---|---|---|
Red clay and sand | 1:1 | 90000 | 3000 | 3000 | 1200 | 97200 |
1:2 | 75000 | 3000 | 3000 | 1200 | 83200 | |
1:3 | 67500 | 3000 | 3000 | 1200 | 74700 | |
1:5 | 60000 | 3000 | 3000 | 1200 | 67200 | |
Loess and sand | 1:1 | 60000 | 3000 | 3000 | 1200 | 67200 |
1:2 | 50000 | 3000 | 3000 | 1200 | 57200 | |
1:3 | 45000 | 3000 | 3000 | 1200 | 52200 | |
1:5 | 40000 | 3000 | 3000 | 1200 | 47200 |
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