Farmers in sub-Saharan Africa now use only about 9kg of fertiliser per hectare on average, compared with 142kg in South-East Asia.
Farmers in sub-Saharan Africa now use only about 9kg of fertiliser per hectare on average, compared with 142kg in South-East Asia.
撒哈拉以南非洲的农民平均每公顷耕地仅用了9公斤化肥，而与此相比东南亚则高达142公斤。