关键词 : 采食策略 ; 营养平衡 ; 定量营养分析 [gap=25651]Key words: Feeding strategy; Nutrient balance; Nutrient quality
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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
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
We can see from the valuation of nutrient balance that the nutrient of revenue and expenditure of each region was nitrogen and phosphorus were surplus, potassium was deficit.
养分平衡评价可以看出各试区养分收支情况为氮磷是有盈余的，而钾处于亏缺状态。
参考来源 - 三江平原白浆土型水稻土氮磷钾养分平衡的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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。
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。
The nutrient balance in different kind of crops and cropping systems, as well as the nutrient input of different farmers were similar pattern with Quzhou county.
不同作物和种植制度的养分平衡情况及不同农户的养分投入情况与曲周县的整体情况大体一致。
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