Foliar applicationofbag-raised7-8-month-old coffee trees(Coffea arabica)showedthatbothchelated rare earth molybdate and rare earth nitrate couldpromote nitrogen and carbonassimilation in leaves ofCoffea arabica.

• 以塑料袋小粒种咖啡7－8月龄小苗对生叶为材料，取其中一片涂施稀土铝或硝酸稀土微肥作为处理，另一片徐清水为对照。