Study in a 4 year old crop of hybrid poplar (Px Ccr.1-214) was conducted in Changa Manga plantation in 1978. Nitrogen, Phosphorus and Potash fertilizers alone and in different combinations were tried in these studies. Data on height and diameter of plants were recorded from 1978-82. The results did not reveal any significant differences in plant height and diameter. However, the nutrient uptake by the leaves of treated plants during the first vegetative growth period increased significantly.