Mathur , K C ; Lodh , S B ; Venugopalam , M ; Viswanathan , Ravi ; Sinha , S K ; Leka , H B2012-12-102012-12-10http://krishikosh.egranth.ac.in/handle/1/2023759en-USrice, crops, irrigation, farms, productivity, soil, diseases, yields, weeds, areaNational Training Programme On Ricr-Based Cropping Systems For Different Ecologies For 2-9 August 1999 Lcture NotesReport