Sifat fisik dan kimia tanah, kadar hara daun dan pertumbuhan tanaman kelapa s…

This research aims to study the application of solids in various soil conditions to improve soil physical and chemical properties, leaf nutrient content and growth of oil palm plants. On marginal lands, repair must be made in order to oil palm planting can grow well. The land that was applied solidly was ex-mining land and sub soil soil, while the land with a flat topography and not yet degrade…