2011
DOI: 10.4141/cjss10013
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Évaluation à moyen terme des besoins en engrais minéraux (N, P, K) d'une rotation en grandes cultures sur sol argileux

Abstract: Tremblay, G. J., Boisvert, J., Fréchette, G. É., Saulnier, M., Alexandre, R. and Vanasse, A. 2011. Mid term evaluation of mineral fertilizer requirements (N, P, K) of a field crop rotation on a clay soil. Can. J. Soil Sci. 91: 637–646. In Quebec, the recommended fertilizer requirements have been lowered since 1994. A study was undertaken from 1998 to 2005 in a 4-yr rotation of wheat (Triticum aestivum L.), soybean [Glycine max (L.) Merr.] and grain corn (Zea mays L.) to verify the mid-term mineral fertilizer r… Show more

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(1 citation statement)
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“…However, the availability of this nutrient for plants is limited by different chemical reactions (formation of strong links between phosphorus with Ca 2 + and Mg 2+ in alkaline pH and the same links with Fe 2 + and Al 3 + in acid soils (Chaouqi et al, 2017)) (Compaoré et al, 2001) ; (Malakooti, 2000). Thus, by certain agricultural practices such as the excessive application of chemical phosphate fertilizer, a large proportion of phosphorus in chemical fertilizer becomes unavailable for plants after its application in the soil (Tremblay et al, 2011). When phosphate fertilizers are not used properly, in addition to economic loss, leads to soil degradation.…”
Section: Introductionmentioning
confidence: 99%
“…However, the availability of this nutrient for plants is limited by different chemical reactions (formation of strong links between phosphorus with Ca 2 + and Mg 2+ in alkaline pH and the same links with Fe 2 + and Al 3 + in acid soils (Chaouqi et al, 2017)) (Compaoré et al, 2001) ; (Malakooti, 2000). Thus, by certain agricultural practices such as the excessive application of chemical phosphate fertilizer, a large proportion of phosphorus in chemical fertilizer becomes unavailable for plants after its application in the soil (Tremblay et al, 2011). When phosphate fertilizers are not used properly, in addition to economic loss, leads to soil degradation.…”
Section: Introductionmentioning
confidence: 99%