朝圣者
发表于 2025-3-28 15:57:50
Farmland Dataset Reconstruction in the Past 300 Years in China,han three times i.e. from 42.4 × 10. ha in the early Qing Dynasty to 136.9 × 10. ha in 1985. In terms of the growth rate, the process of China’s farmland expansion can be identified into five phrases. Significant differences in farmland change existed across provinces.
defeatist
发表于 2025-3-28 20:09:21
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hangdog
发表于 2025-3-29 02:15:04
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deciduous
发表于 2025-3-29 04:46:34
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