Give reasons-a) step farming is common in hillsb) fertile soil has lot of humus Share with your friends Share 0 Jahirul Mazumder answered this Please the link below: https://www.meritnation.com/ask-answer/question/1-what-is-humas-explain-how-does-humus-add-to-the-fertility/science/7333469 0 View Full Answer
