Coffee planting in the Amazonian valley, Upper Peru:an Aberdonian reports - a profit margin of 200 per cent, rapid extension of cultivation among the natives

2023-04-102023-04-101894The Tropical Agriculturist, 14(4):p.232https://dl-doa.nsf.gov.lk/handle/1/8159Coffee planting in the Amazonian valley, Upper Peru:an Aberdonian reports - a profit margin of 200 per cent, rapid extension of cultivation among the nativesArticle