Neem cake organic manure protects plant roots from nematodes, soil grubs and white ants due to its residual limonoid content.

It also acts as a natural fertilizer with pesticidal properties.

Neem cake is widely used in India to fertilize paddy, cotton and sugarcane.

Neem seed cake also reduce alkalinity in soil, as it produces organic acids on decomposition.

Being totally natural, it is compatible with soil microbes, improves rhizosphere microflora and hence ensures fertility of the soil.

Neem cake improves the organic matter content of the soil, helping improve soil texture, water holding capacity, and soil aeration for better root development.

The bitter principles of the neem oil and cake have been reported to have seven types of activities (a) antifeedant (b) attractant (c) repellent (d) insecticide (e) nematicide (f) growth disruptor and (g) antimicrobial.