Use as a Fertilizer
Neem oil cake organic manure protects plant roots from nematodes, soil grubs and white ants probably due to its content of the residual limonoids. It also acts as a natural fertilizer with pesticidal properties. Neem oil cake is widely used in India to fertilize paddy, cotton and sugarcane. Usage of neem oil cake have shown an increase in the dry matter in Tectona grandis (Teak), Acacia nilotica (Gum Arabic), and other forest trees.
Neem oil cake also reduces alkalinity in soil, as it produces organic acids on decomposition. Being totally natural, it is compatible with soil microbes, improves and rhizosphere microflora and hence ensures fertility of the soil. Neem oil cake improves the organic matter content of the soil, helping improvement in soil texture, water holding capacity, soil aeration for better root development.
Neem Oil Cake fits for any type of soil, with its high content of organic matter.