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Soil fertility and management of coffee nutrition in Huila Fertilidad del suelo y manejo de la nutrición de café en el Huila

How to Cite
Sadeghian, S. (2020). Soil fertility and management of coffee nutrition in Huila. Proceedings of Cenicafe´s Scientific Seminar, 71(1), e71137. https://doi.org/10.38141/10795/71137
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Published: December 1, 2020

https://doi.org/10.38141/10795/71137
Keywords
Coffea arabica

Colombia

incubación

isotermas

nutrientes

propiedades físicas

propiedades químicas

Coffea arabica

Colômbia

incubação

isotermas

nutrientes

propriedades físicas

propriedades químicas

Coffea arabica

Colombia

incubation

isotherms

nutrients

physical properties

chemical properties

Numero
Vol. 71 (2020)
Sectión
Soils
License terms (See)
Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Siavosh Sadeghian
Centro Nacional de Investigaciones de Café
https://orcid.org/0000-0003-1266-0885

Summary

Within the framework of the Science, Technology and Innovation Project in coffee cultivation adjusted to the particular conditions of the department of Huila (Colombia), the fertility of the soil was characterized in its chemical and physical components. To this end, 6,000 soil samples were taken for chemical analysis and 1,000 for physical analysis; additionally, by means of laboratory techniques, the lime requirements (incubation) and the dynamics of phosphorus, calcium, magnesium and potassium (adsorption isotherms) were determined in the most representative soil mapping units. The results indicate that, at the departmental level, 92% of the evaluated lots have low to very low levels of organic matter (less than 8%), 53% show some degree of acidity, and 41% have low phosphorus values (less than 10 mg kg-1) and 58% have low to medium potassium content (less than 0.40 cmolc kg-1). In most cases, sulfur contents were low, while only 4% of the analyzed samples presented very low levels of exchangeable calcium and magnesium (0.75 cmolc kg-1 and 0.30 cmolc kg-1, respectively.) With respect to micronutrients, iron levels were high, copper, manganese and zinc were medium, and boron levels were low. Regarding physical variables, the soils of 36% of the lots had apparent densities greater than 1.2 g cm-3, 28% had textures classified as critical (Ar, A, L, ArA and AL) and 60% showed low capacity to retain water. According to the results, recommendations were generated for the management of soil fertility and the nutrition of coffee plantations at the departmental, agro-ecological and municipal scale. Furthermore, an application was created at the Cenicafé website to view the summary of the results, either as tables or maps.
Author biography (See)

Siavosh Sadeghian, Centro Nacional de Investigaciones de Café

Investigador Científico III, Suelos
X @CENICAFE

Keywords