论文部分内容阅读
沙打旺(Astragalus adsurgenspau)又名直立黄芪,适应性强,耐寒、耐干旱瘠薄、耐盐碱、抗风沙。榆林县飞播试验区主要选在土壤贫瘠的盖沙黄土地貌类型上,飞播的沙打旺在苗期有效根瘤不多,共生固氮作用不强,生长发育受到影响。为了促进沙打旺的生长发育,提高单位面积的产草量,我们从1982年起承担了中国农科院土肥所豆科牧草根瘤菌组关于“飞播豆科牧草接种根瘤菌效果大面积示范”的课题。现将沙打旺接种根瘤菌试验结果总结如下:
Astragalus adsurgenspau (Astragalus adsurgenspau), also known as upright Astragalus, adaptable, cold, drought-barren, salt-resistant, anti-wind sand. Yulin County, the main selection of aerial sowing test area in the soil of barren Gessha loess topography, aerial sowing Astragalus in the seedling effective nodules, symbiotic nitrogen fixation is not strong, growth and development are affected. In order to promote the growth and development of Astragalus adsurgens and increase the yield per unit area, we assumed the commitment of “Rhizobium inoculation with leguminous forages to large-scale demonstration of rhizobia” by the soil gramineous rhizobium group of Chinese Academy of Agricultural Sciences since 1982, The subject. SARS now inoculated rhizobia test results are summarized as follows: