摘要
研究结果表明,综合诊断施肥(DRIS)法具有较高的确诊率,是投产茶树较为理想的营养诊断方法。用该法对四川省70％的低产茶园进行分区诊断表明,普遍缺乏的仍是氮素肥。
DRIS was introduced into the production of tea for the first time in Chian. It was shown that DRIS ,with a relatively higher diagnostic accuracy, rnay be a comparatively ideal method to diagnose the nutrient status of the crop. With the help of DRIS, 70%of the low-yieding tea plantations were investigated district by district. All the plantations investigated seemed to be in urgent need of N.
出处
《西南大学学报（自然科学版）》
CAS
CSCD
1993年第1期20-23,共4页
Journal of Southwest University(Natural Science Edition)
