TY - BOOK AU - Joseph M AU - Karthikakuttyamma M AU - Punnoose K I AU - Sudhakumari B TI - Response of rubber seedlings in the nursery to application of zinc PY - 2007/// PB - Natural Rubber Research KW - Micronutrients KW - Seedling nursery KW - Zinc N1 - Source Year: 2007 N2 - Experiments were conducted to study the response of rubber seedlings in the nursery to application of zinc through two sources viz., zinc sulphate or zinc oxide. Both the sources significantly improved the availability of zinc in the soil and enhanced the growth of seedlings. Application of 5 kg Zn per ha to zinc deficient soils through either of the sources was effective in improving the growth of rubber plants in the seedling nursery ER -