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Assessment of sustainability of cropping system in the upland using soil and socio-economic indicators
Опубликовано 2004Диссертация -
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Land capability map Palayan City Settlement Project, Palayan City, Nueva Ecija
Опубликовано 1986Карта -
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Soil-land resources evaluation for agriculture evaluation of Benguet province.
Опубликовано 1983Analytics -
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