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1988、1989两年的春茶期间,我们在温岭县横山乡珠村茶场进行了茶树喷施稀土、尿素及其混合液的试验。供试尿素是浙江省镇海石化总厂生产, 含氮量为46％;稀土系河南省商丘冶炼化工厂生产,含量为38.7％的粉剂。供试茶园为十年生的三条播密植茶园。 (一)试验分五种处理,三次重复。小区面积为0.027亩。 A:清水(对照) B:46％尿素200倍 C:38.7％稀土1000倍 D:46％尿素200倍+38.7％稀土1000倍 E:46％尿素200倍+38.7％稀土500倍
During the Spring Tea Period of 1988 and 1989, we tested the tea tree’s spraying of rare earth, urea and their mixture on the tea plantations of Chu Village, Hengshan Township, Wenling County. Test urea is Zhenhai Petrochemical Plant in Zhejiang Province, with a nitrogen content of 46%; rare earth Henan Shangqiu smelter chemical plant production, the content of 38.7% of the powder. Tea plantations for ten years of three podcast planting tea plantation. (A) test divided into five kinds of treatment, three times repeated. Residential area of 0.027 acres. A: Fresh water (control) B: 46% urea 200 times C: 38.7% rare earth 1000 times D: 46% urea 200 times + 38.7% rare earth 1000 times E: 46% urea 200 times + 38.7% rare earth 500 times