application ratio of NPK fertilizer
Coated NPK fertilizer CRF
high molecular NPK slow-releasing chemical fertilizer with interpenetrating networks type
Models of NPK absorption
nitro based NPK fertilizer
NPK
氮、磷、钾
氮磷钾
肥效模型
三元复混肥
氮磷钾肥
氮磷钾肥料
NPK accumulation and translocation
NPK combined application
NPK compound fertilizer
NPK compound-fertilizer
npk fertilizer
氮磷钾肥料
NPK肥料
复合肥
复合肥料
NPK肥
NPK施肥
氮磷钾肥
复混肥
NPK fertilizer combination