Varun Tripathi, Sobran Singh and Ajaya Srivastava (2020). SOIL TEST CROP RESPONSE CONCENTRATES ON COWPEA (VIGNA UNGUICULATA (L). WALP.) IN MOLLISOL OF UTTARAKHAND, INDIA. ISSN: 2320-5407. DOI: 10.21474/IJAR01/11118. CiteFactor. https://citefactor.org/article/176065/soil-test-crop-response-concentrates-on-cowpea-vigna-unguiculata-l-walp-in-mollisol-of-uttarakhand-india