Colloidal Nutrition Improves Parameters of Pecan Tree (<i>Carya illinoinensis</i>) Soil Health Such as Organic Matter, Available Water, and Electrical Conductivity

Colloidal Nutrition Improves Parameters of Pecan Tree (<i>Carya illinoinensis</i>) Soil Health Such as Organic Matter, Available Water, and Electrical Conductivity

Background: Soil degradation and nutrient depletion critically impact pecan (<i>Carya illinoinensis</i>) production, reducing yield and soil fertility. Colloidal nutrition, a novel approach involving nano-scale nutrient formulations, could offer potential for soil restoration. Aim: This...

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Bibliographic Details
Main Authors: Rubén Gerardo León-Chan, Brandon Estefano Morales-Merida, Luis Amarillas, Nancy Varela-Bojórquez, Luis Alberto Lightbourn-Rojas
Format: Article
Language:English
Published: MDPI AG 2025-05-01
Series:Agriculture
Subjects:
moisture retention
heavy metals
phytopathogens
humic acids
Online Access:https://www.mdpi.com/2077-0472/15/11/1201
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Summary:Background: Soil degradation and nutrient depletion critically impact pecan (<i>Carya illinoinensis</i>) production, reducing yield and soil fertility. Colloidal nutrition, a novel approach involving nano-scale nutrient formulations, could offer potential for soil restoration. Aim: This study aimed to assess the impact of colloidal nutrition on key physical, chemical, and biological soil health parameters in pecan tree cultivation. Methods: Soil from two orchards with 30-year-old pecan trees was used where different nutrition treatments were applied: conventional and colloidal. The variables considered included physical, chemical, and biological properties for the assessment of soil health indicators. Results: The colloidal treatment showed low salinity (2020: 2.04; 2021: 0.88 dS/m) and higher levels of humic acids (1.52 g C/100 g soil), available water depth (2020: 305.11, 2021: 350.00 m<sup>3</sup>/ha), and soil organic matter (2020: 2.10%; 2021: 2.11%). Furthermore, 6 of the 17 phytopathogens that were examined were not detected in the colloidal treatment. Conclusions: This study enhanced our understanding of the improvements that colloidal treatment could potentially provide to the physical, chemical, and biological aspects of soil health in pecan orchards.
ISSN:2077-0472

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