Padmanabha, K, M Nagaraja, GN Veera Kumar, DC Hanumanthappa, and KS Krishnappa. “Performance and Correlation Studies on Nutritional Uptake and Nutritional Content by Various Organic and Inorganic Fertilizers on Spinach”. Vegetable Science 40, no. 01 (December 30, 2013): 114–116. Accessed July 5, 2024. https://isvsvegsci.in/index.php/vegetable/article/view/577.