Table 5 Economic input, output and net income of sweetpotato production among different N treatments in 2015 and 2016.
Cultivars | N treatments | Output values of storage root yield (US$ ha−1) | Fertilizer input (US$ ha−1) | Labor input (US$ ha−1) | Net income (US$ ha−1) |
|---|---|---|---|---|---|
2015 | |||||
XS22 | N0 | 3986 | 225 | 3761 | |
100:0 | 5173 | 284 | 4889 | ||
80:0 | 4905 | 272 | 4633 | ||
40:40 | 6032 | 272 | 22 | 5739 | |
SS19 | N0 | 4209 | 225 | 3984 | |
100:0 | 5475 | 284 | 5191 | ||
80:0 | 5175 | 272 | 4903 | ||
40:40 | 6519 | 272 | 22 | 6226 | |
2016 | |||||
XS22 | N0 | 4599 | 225 | 4374 | |
100:0 | 5779 | 284 | 5495 | ||
80:0 | 5529 | 272 | 5257 | ||
40:40 | 6808 | 272 | 22 | 6515 | |
SS19 | N0 | 5119 | 225 | 4894 | |
100:0 | 6611 | 284 | 6327 | ||
80:0 | 6219 | 272 | 5947 | ||
40:40 | 7714 | 272 | 22 | 7421 | |
