节点文献
四种牧草的热量指标鉴定
Measurement of the thermal indexes of four forage grasses
【摘要】 本文研究了红豆草、紫花苜蓿、草木樨和沙打旺4种牧草生长发育的积温,关键生育期温度和耐寒性。得出了4种牧草生育的积温指标,刈草茬次的热量指标,以及耐寒温度指标。
【Abstract】 It studied the accumulated temperature, the temperature and cold resistance in the critical period of growth and development for the four forage grasses of Onobrichis viciaefolia, Medicago sativa, Melilotus albus and Astragalus adsurgens. The indexes of accumulated temperature, heat quantity for mowing and temperature of cold resistance were obtained.
【关键词】 热量指标；
积温；
生育期温度；
耐寒性；
牧草；
【Key words】 thermal index accumulated temperature cold resistance temperature in the peorid of growth and development forage grass；
【Key words】 thermal index accumulated temperature cold resistance temperature in the peorid of growth and development forage grass；
【基金】 国家气象局农业气象基金
- 【文献出处】 水土保持学报 ,Journal of Soil and Water Conservation , 编辑部邮箱 ,1990年04期
- 【被引频次】2
- 【下载频次】33