G. V. Jacks · 9 obras en el catálogoObrasAAn annotated bibliography of rice soils and fertilizersAn annotated bibliography of rice soils and fertilizersEErosion and soil conservationErosion and soil conservationLLand classification for land-use planningLand classification for land-use planningMMulchingMulchingTThe rape of the earthThe rape of the earthMMultilingual vocabulary of soil scienceMultilingual vocabulary of soil scienceSSoilSoilVVanishing landsVanishing lands農農業原理農業原理
AAn annotated bibliography of rice soils and fertilizersAn annotated bibliography of rice soils and fertilizers