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11
Evaluation of vetiver and coco coirnet as soil erosion and runoff barriers at Tanay, Rizal
Pubblicazione 2007Tesi -
12
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13
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14
Agricultural engineering technologies for soil and water resources conservation and management.
Pubblicazione 1999Libro -
15
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16
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17
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18
Technical report on the Soil Research and Development Center project 1989-1994.
Pubblicazione 1994Libro -
19
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20