Farmers need all the "updates from science" - drought-resistant maize varieties and access to irrigation, fertilizers and veterinary medicine - to increase Africa's food production.
农民需要所有的“科学进展”——耐旱玉米品种、获取灌溉、化肥和植物药品——以增加非洲的粮食产量。
Science, after having long groped about, now knows that the most fecundating and the most efficacious of fertilizers is human manure.
经过长期的摸索,科学今日已经知道肥效最高的肥料就是人肥。
Science, after having long groped about, now knows that the most fecundating and the most efficacious of fertilizers is human manure.
经过长期的摸索,科学今日已经知道肥效最高的肥料就是人肥。
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