biofertilizers, land capability classification, wind and water erosion, tending operations, tree improvement 2 BUDDING 1 CONTROL OF WIND EROSION 1 Causes of degradation 1 HYDROLOGY 1 LAND CAPABILITY CLASSIFICATION 1 Nursery, soils, seed, forest nursery, natural regeneration, propagation of plants, artificial regeneration, choice of species for plantation, protection of plantations, afforestation of wastelands, maintenance and improvement of plantation site 1 Nursery, soils, seed, forest nursery. natural regeneration, propagation of plants, artificial regeneration, choice of species for plantation, protection of plantations, afforestation of wastelands, maintenance and improvement of plantation site 1 PREVENTION AND CONTROL GULLIES 1 SOIL EROSION 1 land capability classification 1