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针对坝上地区土壤缺锌的具体情况,张家口农专在保康县和沽源县各选一个试区,与当地联合进行草场人工喷施疏酸锌的研究。试验结果表明,叶面喷施硫酸锌具有一定的增产效果和经济效益。本研究对指导生产有一定的参考价值,其技术措施可在实践中应用。
In response to the specific situation of zinc deficiency in the soil on the Bashang Plateau, Zhangjiakou agricultural research college selected a test area in each of Baokang County and Guyuan County to conduct a joint study on sprinkling zinc and zinc sulfate in the pasture. The results showed that the foliar application of zinc sulfate has a certain stimulation effect and economic benefits. This study has certain reference value for guiding the production, and its technical measures can be applied in practice.