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  • Author or Editor: A. Wilson White Jr. x
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One-time tillage treatments in a 70-year-old ‘Moneymaker’ pecan [Carya illinoensis (Wang.) K. Koch] orchard with traffic-induced soil compaction, showed nut yields to be increased by disk harrowing in comparison to the untilled check or subsoiling treatments. All tillage treatments increased soil pH in the surface soil, with leaflet Zn and Al levels declining and B levels increasing in tilled vs. nontilled treatments. Tillage had no influence on leaflet N, P, K, Ca, Mg, Fe, or Cu levels. Periodic disk harrowing appears to be a beneficial cultural practice for increasing nut yield in orchards with certain soil compaction problems. Harrowing also improves soil pH by incorporating surface applied lime into the plow layer.

Open Access