Evaluation of varieties of different types of maize under organic farming oleh S K YADAV, SHANTI KUMAR SHARMA, ROSHAN CHOUDHARY, GAJANAND JAT, M K YADAV, RAM SWAROOP CHOUDHARY, DEVENDRA JAIN, RAVINDRA KUMAR JAIN, B SRI SAI SIDDARTHA NAIK, PREETI DEVATWAL