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S 613 I6 : The future of arid lands.; BJL  1956 1
S 613 I8 : Irrigation principles and practices / Orson W. Israelsen, Vaughn E. Hansen.; BJL  1962 1
S 613 L3 : Irrigation : its profitable use for agricultural and harticultural crops.; BJL  1964 1
S 613 M6 : Irrigation.; BJL  1974 1
S 613 R1 : Annotated bibliography on surface irrigation methods.; BJL  1971 1
S 613 S1 : Crop responses to water at different stages of growth.; BJL  1967 1
S 613 S7 : A history of land use in arid regions.; BJL  1961 1
S 613 T2 : Techniques for desert reclamation / edited by Andrew S. Goudie.; BJL  1990 1
S 613 U5   7
S 616 A3 M8 : Roots in the African dust : sustaining the sub-Saharan drylands.; BJL  1998 1
S 616 A9 D2 : Australia wet or dry? The physical and economic limits to the expansion of irrigation.; BJL  1969 1
S 616 A9 I7 / q : Irrigation development in the Lower Gwydir Valley, by D. Blandford... and others.; BJL  1977 1
S 616 I8 C9 : Water conservation in Israeli crop production.; BJL  1977 1
S 616 L2 B4 : Proposals for the introduction of multicropping, new agrotechniques, improved implements in irrigated agriculture in the Lower Mekong Basin.; South East Asian Collection  1973 1
S 616 M2 G6 : The consumptive use of water, the possibilities of double cropping, and the irrigation requirements for rice lands in Malaya / by G.A.W. van der Goor and G. Zijlstra.; South East Asian Collection  1963 1
S 616 M2 S5 : The origins of an irrigation policy in Malaya.; South East Asian Collection    1
S 616 P5 C9 : Conflict among farmers in an irrigation system in Iliolo Province, the Philippines : a thesis.; South East Asian Collection  1974 1
S 616 P5 T7 : Transforming a bureaucracy : the experience of the Philippines national irrigation administration / edited by F.F. Korten, R.Y. Siy.; South East Asian Collection  1989 1
S 616 R9 S8 : Luga ostrova Sakhalina i voprosy ikh uluchsheniia.; BJL  1961 1
S 616 U5 A5   2
S 621 J7 : The mode of draining land according to the system practice / edited by J. Elkington.; BJL  1841 1
S 621 M7 : A new and easy system of draining and reclaiming the bogs of Ireland.; BJL  1829 1
S 621 R6 : Bedrijfseconomische aspecten van perceelsvorm en begreppeling op grasland.; BJL  1971 1
S 622 I6 : Soil conservation : problems and prospects / edited by R.P.C. Morgan.; BJL  1981 1
S 622.2 C7 : Conserving soil resources : European perspectives : selected papers from the First International Congress of the European Society for Soil Conservation / edited by R.J. Rickson.; BJL  1994 1
S 622.2 L2 : Soil degradation : proceedings of the Land Use Seminar on Soil Degradation, Wageningen, 13-15 October 1980.; BJL  1982 1
S 622.2 S6 : Soil erosion and conservation.; BJL  1985 1
S 623 H8 : Soil conservation.; BJL  1971 1
S 623 M8   2
S 623 S6   2
S 625 A2 B7 : Save the soil, dedicated to all lovers of nature / by C.R. Booysen and S.J. Hofmeyr.; BJL  1950 1
S 625 A2 S9 : Sustaining the soil : indigenous soil and water conservation in Africa / edited by Chris Reij, Ian Scoones and Camilla Toulmin.; BJL  1996 1
S 625 E8 S6 : Soil erosion protection methods in Europe : proceedings of the European Community Workshop on Soil Erosion Protection, Freising, FR Germany, May 24-26, 1988 / edited by U. Schwertmann, R.J. Rickson and K. Auerswald.; BJL  1988 1
S 625 G7 R8 / q : Sustainable use of soil.; BJL  1996 1
S 625 N4 N4   3
S 625 S7 R8 : The veld and the future : a book on soil erosion for South Africans.; BJL  1946 1
S 625 S7 S6 : The soil declares war on man : no social security without soil security.; BJL  1944 1
S 625 T76 I6 : Soil conservation and management in the humid tropics.; BJL  1977 1
S 627 P55 Z6 : A case study on effect of yunnan pine forest on erosion control : with special reference to the alpine gorge, N.W. Yunnan.; BJL  1999 1
S 631 F4 : Fertiliser statistics 1972-73.; BJL  1973 1
S 631 F41 / q : Fertiliser statistics.; BJL  1966- 1
S 633 F4 : Fertiliser facts.; BJL  1979 1
S 633 F7 : Soil fertility / Henry D. Foth, Boyd G. Ellis.; BJL  1988 1
S 633 J6 : On fertilizers.; BJL  1839 1
S 633 T6 : Soil fertility and fertilizers / by S. Tisdale and W. Nelson.; BJL  1975 1
S 633.3 A35 N9 : Nutrients on the move : soil fertility dynamics in African farming systems / edited by Thea Hilhorst and Fred Muchena.; BJL  c2000 1
S 633.5 G7 J7 : Fertilizers in UK farming.; BJL  1985 1
S 633.5 I3 U7 : Die Entwicklung der produktion und des Verbrauchs von Handeisdunger in Indien.; BJL  1974 1
S 641 T2 : The Fertilizers and Feeding Stuffs Act and som analytical implications.; BJL  1948 1
S 645 C8 : Potash : its production and place in crop nutrition.; BJL  1951 1
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