1. SURYA J N, SIDHU G S, LAL T, SINGH D, WALIA C S, KATIYAR D K, et al. LAND RESOURCE CHARACTERIZATION, SOIL RESOURCE MAPPING FOR FARM LEVEL LAND USE PLANNING-A CASE STUDY IN UPPER GANGETIC PLAINS. Int J Agr Sci [Internet].Bioinfo Publications : 10(16): 6975-6980.