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云大－120（芸苔素内脂）是国际上最新型的高效植物生长调节剂。为探索其能否在沙漠边缘灌溉区促使棉花增产而进行试验示范。
Cloud-120 (brassinolide) is the latest in the world of efficient plant growth regulator. In order to explore its ability to stimulate cotton in the marginal irrigation area to test and demonstrate.