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
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