PRODUCTIVIDAD, ALTERNANCIA Y CALIDAD EN NOGAL PECANERO, COMO RESPUESTA A NUTRICIÓN MINERAL Y ORGÁNICA.

NOPERI MOSQUEDA, LINDA CITLALLI (2019) PRODUCTIVIDAD, ALTERNANCIA Y CALIDAD EN NOGAL PECANERO, COMO RESPUESTA A NUTRICIÓN MINERAL Y ORGÁNICA. Doctorado thesis, UNIVERSIDAD AUTONOMA DE CHIHUAHUA.

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Resumen

Pecan nut is produced in 57 countries, alternation bearing is one of the main biological problems that affect the cultivation pecan cultivation. The nut was classified among healthy foods for human consumption. This research was carried out in the municipality of Aldama, Chihuahua during the 2016, 2017, 2018 cycles, doses of fertilization were tested in a factorial experiment 56 bounded to 25 treatments through a Taguchi L25 arrangement , the factors and levels were Nitrogen (N) 0, 12, 60, 120, 240 kg ha-1, phosphorus (P2O5) 0, 6, 30, 60, 120 kg ha-1, potassium (K2O) 0, 5, 25, 50, 100 kg ha-1, calcium (CaO) 0, 20, 100, 200, 400 kg ha-1, liquid humus 0, 180, 900, 1800, 3600 L ha-1 and solid humus 0, 400, 2000, 4000, 8000 kg ha-1, the statistical analysis was by response surface and factor weighting for recommended dose. A yield of 2.39 t ha-1, 157 nuts per kilogram and 58.9% of the edible part of the nut was obtained, the means for the alternate bearing intensity was 31.58%, while the long-term productivity index was 9.59%. Mineral and organic fertilization systems contributes to increasing the concentration of total phenols, tannins and antioxidant capacity in the edible part of the nut. In the edible part of the nut there is a higher mineral bioactive compounds than in the shell. The recommended doses for optimal results were: for N 181.4 .0 kg ha-1, for P2O5 113.0 kg ha-1, for K2O 74.7 kg ha-1, for CaO 225.5 kg ha-1 and for liquid humus 3485.2 L ha-1.

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