Error reduction in field experiments on Hevea using covariance techniques and effective blocking

Wickremasinghe, W.N.Abayapala, R.A.P.2012-06-252012-06-251980Journal of the Rubber Research Institute of Sri Lanka57pp.22-25https://dl.nsf.gov.lk/handle/1/8760Error reduction in field experiments on Hevea using covariance techniques and effective blockingArticle