BALWINDER SINGHMAVI, MANPREET SINGH2020-03-062020-03-062003http://krishikosh.egranth.ac.in/handle/1/581014457126042017_0005_0006_004835.pdf26042017_0005_0006_Abstract.pdfENGLISHEFFECT OF DIFFERENT CROP RESIDUES AND ORGANIC MANURES ON MOVEMENT AND TRANSFORMATIONS OF UREA IN SOILSThesis