Effects of goat manure fertilization on grain nutritional value in two contrasting quinoa (Chenopodium quinoa Willd.) varieties cultivated at high altitudes

González Juan Antonio, Yousif Sawsan K. M., Erazzu L. E., Martínez Calsina Luciana, Lizarraga E. F., Omer Rihab M., Bazile Didier, Fernández-Turiel José Luis, Buedo S.E., Rejas Marta, Fontana P. D., González Daniela A., Oviedo A., Alzuaib Fahad Mohammed, Al-Qahtani Salem Mesfer, Al-Harbi Nadi Awad, Ibrahim Muhammad A., Van Nieuwenhove C. P.. 2023. Effects of goat manure fertilization on grain nutritional value in two contrasting quinoa (Chenopodium quinoa Willd.) varieties cultivated at high altitudes. Agronomy (Basel), 13 (3), n.spéc. Effects of Soil Fertility and Plant Growth Promoters on Growth, Yield, and Quality of Crops:918, 18 p.

Résumé : In this study, the effects of goat manure fertilization (2, 4, 8, and 12 Tn/ha) on the grain yield, organic compounds, and mineral composition of two quinoa varieties (CICA-17 and Regalona Baer) were evaluated under field conditions in Northwest Argentina. The results indicate that fertilization improved the quinoa grain yield and total protein content. Low manure doses positively affected the fatty acid (FA) profile, and significant changes were determined for the monounsaturated (MUFA) and polyunsaturated (PUFA) fatty acid contents of CICA-17 and on the saturated fatty acid (SFA) contents of R. Baer seeds. The amino acid contents were positively affected in CICA-17 and negatively in R. Baer. Soluble sugars (glucose, fructose, and sucrose), major elements (K, Si, P, Mg, Ca, and Na), minor elements (Fe, Mn, Al, Zn, and Cu), and ultratrace elements (Cr and Li) were detected and discussed in terms of their impact on human nutrition and health. Conclusively, manure addition affected some essential amino acids, the desaturase activity, the n6:n3 and SFA/UFA ratios, the atherogenic index, soluble sugars, and mineral content, and the fatty acid metabolism of each variety was differently affected, especially the C16 and C18 desaturase activity, which responded differently to various manure doses. Manure addition is a promising alternative to improve the nutritional quality and functionality of quinoa grains, but the response is not linear.

Mots-clés Agrovoc : engrais organique, fertilisation, valeur nutritive, composition des aliments, Chenopodium quinoa

Mots-clés géographiques Agrovoc : Argentine

Mots-clés libres : Quinoa, Crop nutrition, Nutritional composition

Classification Agris : F04 - Fertilisation
F61 - Physiologie végétale - Nutrition
Q04 - Composition des produits alimentaires

Champ stratégique Cirad : CTS 2 (2019-) - Transitions agroécologiques

Agences de financement européennes : European Regional Development Fund

Auteurs et affiliations

• González Juan Antonio, Fundación Miguel Lillo (ARG)
• Yousif Sawsan K. M., Al-Baha University (DZA)
• Erazzu L. E., INTA (ARG)
• Martínez Calsina Luciana, INTA (ARG)
• Lizarraga E. F., Fundación Miguel Lillo (ARG)
• Omer Rihab M., Al-Baha University (DZA)
• Bazile Didier, CIRAD-ES-UMR SENS (FRA) ORCID: 0000-0001-5617-9319
• Fernández-Turiel José Luis, Geosciences Barcelona (ESP)
• Buedo S.E., Fundación Miguel Lillo (ARG)
• Rejas Marta, Geosciences Barcelona (ESP)
• Fontana P. D., INTA (ARG)
• González Daniela A., CONICET (ARG)
• Oviedo A., Fundación Miguel Lillo (ARG)
• Alzuaib Fahad Mohammed, University of Tabuk (SAU)
• Al-Qahtani Salem Mesfer, University of Tabuk (SAU)
• Al-Harbi Nadi Awad, University of Tabuk (SAU)
• Ibrahim Muhammad A., University of Kuopio (FIN) - auteur correspondant
• Van Nieuwenhove C. P., Fundación Miguel Lillo (ARG) - auteur correspondant

Source : Cirad-Agritrop (https://agritrop.cirad.fr/604219/)

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