Influence of zinc of the concentration of potato virus X in tomato
Vijayarao, V.
Influence of zinc of the concentration of potato virus X in tomato V. Vijaya Rao - New Delhi Indian Agricultural Research Institute 1965 - x, 73 p.; 28cm.
Influence of zinc of the concentration of potato virus X in tomato V. Vijaya Rao - New Delhi Indian Agricultural Research Institute 1965 - x, 73 p.; 28cm.