Study on Fertilization Techniques of a New Sweet Potato Variety 'Longshu 35'
In order to study the matching fertilization technology of high-quality edible sweet potato variety 'Longshu 35', the orthogonal test method was used to study the effects of three factors (manure, compound fertilizer and fertilization method), on the yield of this variety.The test results showed that manure, compound fertilizer and fertilization method had a very significant impact on the yield of sweet potato.Increas-ing the application of manure and compound fertilizer and using one-time topdressing could improve the yield of sweet potato.Under the condi-tion of medium high soil fertility, the application of manure 3900 kg/hm2, compound fertilizer 600 kg/hm2, and one-time application of fer-tilizer as topdressing could achieve higher yield and social and economic benefits.
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