Effect of different tillage and seeding methods on energy use efficiency and productivity of wheat in the Indo-Gangetic Plains - Kumar, Vivak; Saharawat, Yashpal S.; Gathala, Mahesh K.; Jat, Arjun Singh; Singh, Sanjay K.; Chaudhary, Neelam; Jat, M.L. (Elsevier, 2013)