1. Spuhler D, Carle N (2019) Retrieved from https://sswm.info/sswm-solutions-bop-markets/improving-water-and-sanitation-services-provided-public-institutions-0/crop-selection
2. Sowing seed in ground. Retrieved from https://www.sunset.com/garden/garden-basics/sowing-seeds
3. Crop growth- an overview. Retrieved from https://www.sciencedirect.com/topics/earth-and-planetary-sciences/crop-growth
4. Verma R, Maurya BR, Meena VS (2014) Integrated effect of bio-organics with chemical fertilizer on growth, yield and quality of cabbage (Brassica oleracea var capitata). Indian J Agric Sci 84(8):914–919
5. Datta JK, Banerjee A, Sikdar MS, Gupta S, Mondal NK (2009) Impact of combined exposure of chemical, fertilizer, bio-fertilizer and compost on growth, physiology and productivity of Brassica campestries in old alluvial soil. J Environ Biol 30(5):797