肥料三要素 meaning in Chinese

major fertilizer elements
major three elements of fertilizer

Eng . ) 1 . the fertilizer defines , uses the present situation ; 2 . three major elements of fertilizer in the soil ; 3 . characteristic and using the three major elements fertilizer rationally ; 4 . characteristic and using the secondary and microelements fertilizer rationally ; 5 . the kind and characteristic of the organic fertilizers and using rationally ; 6 . the composting of organic fertilizers ; 7 . green manure crop ; 8 . influencing factors of the fertilizer effects ; 9 . principle and practice of the fertilizer uses ; 10 . characteristic and using the compound fertilizers rationally ; 11 . foliar application ; 12 . fertilizer management regulation
中) 1 .肥料定义、使用现况； 2 .土壤中的肥料三要素； 3 .三要素肥料的特性与合理施用； 4 .次微量要素肥料的特性与合理施用； 5 .有机质肥料的种类与合理施用； 6 .堆肥制造； 7 .绿肥作物； 8 .影响肥料效应的因子； 9 .肥料施用的原理原则； 10 .复合肥料的特性与施用要领； 11 .叶面施肥要领； 12 .肥料管理法规。