nam a22 7a 4500 61162 61162 WUSLLib 181102b ||||| |||| 00| 0 eng d 9789558431016 English 912 IRR Irrigation Department 11940 Land use publication 2017 soil maps and crops recommendation maps of major irrigation schems Colombo Irrigation Department 2017 2017 36 p. 57cm. soil maps 11941 Crop recommendation 11942 ddc PR 0 0 ddc 0 1 REF MKDL MKDL REF 2018-11-02 0 912 IRR 69542 2018-11-02 00:00:00 2018-11-02 PR 0 0 ddc 0 1 REF MKDL MKDL REF 2018-11-02 0 912 IRR 69543 2018-11-02 00:00:00 2018-11-02 PR 0 0 ddc 0 1 REF MAIN MAIN REF 2021-11-22 0 912 IRR 39803 2021-11-22 00:00:00 2021-11-22 PR 0 0 ddc 0 1 REF MAIN MAIN REF 2021-11-22 0 912 IRR 39804 2021-11-22 00:00:00 2021-11-22 PR 0 0 ddc 0 0 REF MAIN MAIN REF 2021-12-16 0 912 IRR 39805 2021-12-16 00:00:00 2021-12-16 PR