Kerala Agricultural University Central Library Search for 'su:{Agro-climatic zones}'

Manual on integrated farming systems:

Karamana, Meerut Cropping System Research Centre, Project directorate for Farming Systems Research 2010 . 178p.

By Gajendra Singh Tomar. Delhi Satish serial publishing house 2010 . 670p 8189304879

By Naveen P Singh. New Delhi ICAR-National Institute of Agricultural Economics and Policy Research 2020 . xiv,64p.