Farmers say they need less rainwater if they use fertilizer trees.

农民们说，如果它们使用肥料树，就只需要很少的雨水。

youdao

Farmers who planted fertilizer trees reported double the maize production of other farmers.

种植肥料树的农民的玉米产品比其他农民高出一倍。

youdao

Farmers say they need less rainwater if they use fertilizer trees. The trees reduce water runoff and soil erosion.

农民说，如果使用肥料树，他们只需要很少的雨水。这种树可以减少水分流失和土壤侵蚀。

youdao

Scientists at the agroforestry center say the use of fertilizer trees can reduce the need for chemical nitrogen by up to three-fourths.

VOA: special.2009.09.01