春季和夏季流沙湾浮游植物营养限制研究 关键词: 流沙湾；浮游植物；营养添加；营养限制 [gap=1519]Key words: liusha bay；phytoplankton；nutrient addition；nutrient limitation
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The concentration of metabolic energy in the diet was the main nutrient limitation, and the second one was quality of pasture;
影响绵羊采食量的主要营养因素是饲粮代谢能浓度，其次是牧草质量。
By using soil nutrient state system study method, balancing soil fertilization have been adopted after the soil nutrient limitation factors had been made clear.
采用土壤养分状况系统研究法。在摸清土壤养分限制因子前提下，平衡施肥。
The results showed that crude protein level in the diet was the main nutrient limitation affecting liveweight gain of grazing sheep, and the dietary metabolic energy level came second.
关联度分析结果表明，饲粮粗蛋白质水平是影响绵羊体重变化的主要营养因素，饲粮代谢能的影响次之；影响育成母羊羊毛生长速度的主要营养因素是其干物质采食量；
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