The extracts of Azadirachta Indica act, in insects, as antinutrients and hormonal inhibitors of metamorphosis; they diminish the levels of proteins and amino acids in the hemolymph and interfere in the synthesis of chitin, which diminishes or nullifies fecundity by preventing insects from reaching maturity, prolonging larval stages or causing death.
In the soap industry, it replaces coconut, African palm and peanut oils. As it contains myristic and lauric acids, the soaps made with this oil will have more foam and more detergency than those made with edible oils. It is also superior to castor oil or castor oil.
The pulp is used in India as a methane gas generator.
The plant as an organic fertilizer is superior to cattle, porcine or other source manure. Also, as organic fertilizer is appreciated for its insecticidal and repellent properties, especially against certain insects such as termites and harmful nematodes. Mixed with urea to fertilize the soil, it gives good results and acts as a biocide. The green leaves are an excellent and cheap fertilizer.
The oil from its seeds is used to prepare cosmetics. Besides medicinal use, these trees are cultivated to reduce desertification and it is believed to be a good absorber of carbon dioxide.