Soil conservation in an upland farming system in Iloilo a socio-economic survey

The price of soil erosion an economic evaluation of soil conservation and watershed development 著者: Graaff, J. de

Soil and water management systems 著者: Schwab, Glenn Orville 1919-

Soil and water management systems 著者: Schwab, Glenn Orville, 1919-

Soil mechanics in engineering practice 著者: Terzaghi, Karl 1883-1963

Finite-element modelling of unbounded media 著者: Wolf, John P.

Soils in construction 著者: Schroeder, W. L. (Warren Lee) 1939-

Elasto-plastic soil-structure analysis by BEM-FEM substructure method 著者: Zarco, Mark Albert

Land degradation, soil conservation and risk Evidence from a dynamic model of Philippine upland agriculture 著者: Shively, Gerald E.

Methods of soil analysis

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