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Crop productivity and nutrient bioavailability in a potato-based three-year rotation as affected by composted pulp fiber residue application and supplemental irrigation

Fahmy, S.H., Sharifi, M., Hann, S.W.R., Chow, T.L. (2010). Crop productivity and nutrient bioavailability in a potato-based three-year rotation as affected by composted pulp fiber residue application and supplemental irrigation, 41(6), 744-756. http://dx.doi.org/10.1080/00103620903563972

Abstract

The possibility of using composted pulp fiber residues (CPFR) in a potato rotation in eastern Canada was tested. Three rates of CPFR (0, 45, and 90 Mg C ha-1) with or without supplementary irrigation were applied. Pea (Pisum sativum L.), corn (Zea mays L.), and potato (Solanum tuberosum L.) were cultivated in 2002, 2003, and 2004, respectively. Soil total carbon (C) and nitrogen (N), bulk density, and water-holding capacity were improved by CPFR. Pea and corn yields and total dry matter were increased using CPFR. Supplemental irrigation increased pea yield compared with the rain-fed system. Total tuber yield was increased by CPFR in the irrigated but not in the rain-fed system. The CPFR application increased plant-available phosphorus (P) and potassium (K) in all rotation crops. Nitrogen accumulation in all rotation crops except potato was increased by CPFR. The CPFR application successfully enhanced soil fertility and crop productivity without any adverse effects. © Taylor & Francis Group, LLC.

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