1. Banana by-products: an under-utilized renewable food biomass with great potential
2. Widenhoeft Alex C., Plant nutrition, Juvenile literature, II. Green world USA, New York (2006)
3. Sattorov D., Sidiqov S., Ways to improve the efficiency of mineral fertilizers, Universitet, Tashkent (2018)
4. Yagodin B.A., Jukov Yu.P., Kozarenko V.I., Agrochemistry, Kolos, Moscow (2002)
5. Marchik T.P., Efremov A.L., Soil science with the basics of plant growing, Part 1. General soil science, Grodno, (2006)