where P – yield, productivity indicator; LN is the distance from the forest belt, N; k and m – coefficients, which are calculated by formulas
公开/公告号RU2661829C1
专利类型
公开/公告日2018-07-19
原文格式PDF
申请/专利号RU20170101630
申请日2017-01-18
分类号A01G7/00;A01G23/00;
国家 RU
入库时间 2022-08-21 12:35:28