Diuretic 发表于 2025-4-1 01:53:00

Cassava, the 20th century, cassava was grown throughout much of sub-Saharan Africa. However it remained as a subsistence crop until the 1920s/1930s when it became the major staple food crop of Africa (Carter . 1992). Currently the crop is grown in more than 39 African and 56 other countries.
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查看完整版本: Titlebook: Virus and Virus-like Diseases of Major Crops in Developing Countries; Gad Loebenstein,George Thottappilly (Executive Dir Book 2003 Springe