Urea as a source of nitrogen for rubber plantations in Sri Lanka. 1. A review and preliminary observations
Yogaratnam N
Urea as a source of nitrogen for rubber plantations in Sri Lanka. 1. A review and preliminary observations - Journal of the Rubber Research Institute of Sri Lanka 1981 - 13-19
Rubber plantation
Sri Lanka
Urea fetilization
Urea as a source of nitrogen for rubber plantations in Sri Lanka. 1. A review and preliminary observations - Journal of the Rubber Research Institute of Sri Lanka 1981 - 13-19
Rubber plantation
Sri Lanka
Urea fetilization