Abstract
A study was conducted to evaluate the fertility and productivity of various selected Philippine soils collected from different places in the Luzon Island. The soils were classified as Alfisol, Andisol, Entisol, Inceptisol, Mollisol, Ultisol and Vertisol. Soil productivity was evaluated using maize (Zea mays L.), upland rice (Oryza sativa L.), groundnut (Arachis hypogea L.) and cassava (Manihot esculenta Crantz) as indicators plants. The results showed that the yields of maize, upland rice and cassava were positively correlated each other, while the yield of groundnut appeared to have no correlation with the yield of the other crops. The total soil nitrogen (T-N g kg-1) and applied nitrogen (N kg ha-1) contributed to the yields of maize, cassava and rice. The groundnut yield was positively correlated to the available phosphorus (Av. P mg kg-1) and base saturarion percentage (BSP %) of soils.
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© 1997 Kluwer Academic Publishers
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Manuel, M.T.T., Ito, Y., Okuda, S., Yasuda, T. (1997). Soil fertility and productivity evaluation of selected Philippine soils. In: Ando, T., Fujita, K., Mae, T., Matsumoto, H., Mori, S., Sekiya, J. (eds) Plant Nutrition for Sustainable Food Production and Environment. Developments in Plant and Soil Sciences, vol 78. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-0047-9_107
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DOI: https://doi.org/10.1007/978-94-009-0047-9_107
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-010-6510-8
Online ISBN: 978-94-009-0047-9
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