The relationship among soil nutrient contents, fertilization rate and herbage production were quantitatively analyzed and the nutrients cycling in grassland animal production systems was dynamically monitored.
主要内容如下: 在不施肥的情况下,牧草的产量都很低。
参考来源 - 云贵高原人工草地推荐施肥研究·2,447,543篇论文数据,部分数据来源于NoteExpress
N herbaceous plants collectively, esp the edible parts on which cattle, sheep, etc, graze 草本的总称
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