ELAYARAJA, D.. RESPONSE OF GROUNDNUT TO ZINC, BORON AND ORGANICS ON THE YIELD AND NUTRIENT AVAILABILITY IN COASTAL SANDY SOIL. INTERNATIONAL RESEARCH JOURNAL OF CHEMISTRY, India, v. 5, apr. 2014. ISSN 2321-2845. Available at: <http://petsd.org/ojs/index.php/irjc/article/view/65>. Date accessed: 21 july 2017.