应用人造土壤技术，在恢复与提高已有草场质量的同时，还要新建一批高质量的牧场，我们再推广良种奶牛。
Meanwhile using artificial soil technology we can renew and improve the quality of our existing grassland and will build new and high quality rangeland and popularize good milch cow.
一个品种在生产上应用推广的成功需要借助于良种、良法、以及与之适宜的耕作制度的配套。
The successful experience of spreading a variety to be applied in production should be depend on combining the elite cultivar with cultural technique and cropping system.
本研究为优良同源四倍体桔梗的推广应用和优良种质离体保存、减少遗传变异提供了技术依据。
This research provided techniques for the application, conservation in vitro of excellent germplasm and reduction of heredity variance of autotetraploids of Plalycodon grandiflorum.
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