“मिट्टी जाँच - महत्व एवं तकनीक: मृदा स्वास्थ्य कार्ड योजना”, कृ. कि., vol. 2, no. Dec, pp. 40–42, Dec. 2016, Accessed: Oct. 01, 2026. [Online]. Available: https://saaer.org.in/journals/index.php/krishi-kiran/article/view/69