nutrient balance 营养平衡
soil nutrient balance 土壤养分平衡
carbon-nutrient balance hypothesis 平衡假说 ; 碳氮营养平衡假说 ; 养分平衡假说 ; 碳
Nutrient balance and fertilizer recommendation 养分平衡施肥法
Nutrient Balance in Luomahu Lake 骆马湖营养盐收支
crop nutrient balance 作物营养平衡
nutrient balance index 养分平衡指数
mixed nutrient balance 混合养分平衡
It can grow up to 15 meters tall and is "fundamentally changing" the forest architecture, he says, altering the hydrology and nutrient balance.
这种植物能长到15米高，改变了水文和营养物质的平衡而从根本上改变了森林组成结构。
A field experiment was conducted to study the nutrient balance and economic benefit on winter-wheat and rice system with mid-stage effluent of ammonium sulfite method irrigation.
通过田间实验，研究亚铵法制浆中段水经土地处理的同时作为灌溉用水的农田养分平衡状况及经济效益。
The system adopted the nutrient balance method of eucalypt which made this system more accurate in calculation and more valuable.
系统采用了养分平衡法和桉树的平衡施肥法计算施肥量，计算结果精确，具有可利用价值。
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