摘要
采用不同浓度的硝酸稀土材料 ,对紫花苜蓿、白三叶、红豆草三种优良牧草进行为期 3年的生产应用性研究。结果表明 :6 0 0 m g/ kg～ 6 5 0 mg/ kg稀土浓度能够显著地提高豆科牧草产草量和饲料的品质 ,促进豆科牧草的根瘤发育 ,稀土主要在牧草的营养生长时期起作用。
Rare earth was applied in different concentrations to 3 species of legumes ( Medicago sativa, Trifolium repens, Onobrychis viciaefolia) for three yaars. The results showed rare earth have a significant effect on the quality and yields of legumes as well as on phizobium growth in the range from 600mg/kg～650mg/kg,but no apparent effect on vegetative periods of the legumes.
出处
《郑州牧业工程高等专科学校学报》
2000年第2期90-91,共2页
Journal of Zhengzhou College of Animal Husbandry Engineering
关键词
豆科牧草
硝酸稀土
根瘤菌
legumes
rare earth
phizobium
concentration
