Fertilización orgánica con tres niveles de gallinaza en cuatro cultivares de papa

López, Delfina de Jesús Pérez; Monroy, Josué Peñaloza; Ramírez, Ana Karen Reyes; Huerta, Andrés González; Jarquín, Dora Ma. Sangerman

doi:10.29312/remexca.v10i5.1759

Cited by 5 publications

References 5 publications

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The use of bacterial consortia improves seed tuber production in potato varieties for frying

Mauricio Ramírez,

Rodriguez-Grados,

Quiliche

et al. 2023

Preprint

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ObjectiveTo determine the effect of a consortium of growth-promoting rhizobacteria on potato varieties for frying under controlled conditions.MethodologyThe research was conducted at the Universidad Nacional José Faustino Sánchez Carrión, Huacho, Peru. The experiment was carried out in pots in a greenhouse using a completely randomized design with 6 replications, under a factorial arrangement. Four potato genotypes for frying (cv. Bicentenaria, advanced clones UH-9, CIP 396311.1, CIP 399101.1) and four inoculant treatments were used,Azotobactersp. (T1),Azotobactersp.+Bacillus simplex(T2),Azotobactersp.+B. subtilis(T3),Azotobactersp.+B. subtilis+B. simplex(T4) and an uninoculated control (T0). The variables studied were vegetative vigor, plant height, number of stems per plant, number of leaves per plant, fresh and dry weight per plant, tuber diameter, and number and weight of tubers per plant. Data were statistically processed and analysed by performing Scott-Knott’s comparison of treatments and using principal component analysis.ResultsThe inoculation alone withAzotobactersp. (T1) or with the consortiumAzotobactersp.+B. simplex+B. subtilis(T4) significantly promoted potato growth with respect to the number of stems and number of leaves per plant, as well as weight and number of tubers per plant; for vegetative vigor, the control treatment (T0) obtained differences in comparison with the inoculated treatments. Plant height, number of shoots, fresh and dry weight of foliage and tuber diameter did not show significant differences due to the effect of the inoculation. Interactions between varieties and treatments were found for vegetative vigor, the number of leaves and tubers per plant, being positive for the inoculation with some bacterial consortia.ConclusionBacterial consortia withAzotobactersp. promote the growth and productivity of potato varieties for processing under greenhouse conditions.

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The use of bacterial consortia improves seed tuber production in potato varieties for frying

Mauricio Ramírez,

Rodriguez-Grados,

Quiliche

et al. 2023

Preprint

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Ecological footprint of different laying hen production systems in San Jeronimo municipality Antioquia, Colombia

Gaviria,

Londoño,

Zapata

2024

AJFAND

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In recent years, fish production has increased worldwide due to population growth and consumer interest in this type of product, proving an increase in the waste generated, with concomitant negative impact on the environment. Ecological footprint methodology is one of the sustainability indicators most used for assessing process environmental impact. This technique quantifies the effect of anthropogenic activities on the environment concerning water, forest products, infrastructure and carbon footprint, providing integral, comparable and reliable results. In this study, the environmental impact generated by taking advantage of red tilapia (Oreochromis Spp.) viscera to produce chemical silage and its implementation in the feeding of laying hens was determined, using the ecological footprint methodology as an indicator of sustainability. The productive system consisted of a red tilapia (Oreochromis ssp.) production farm located in the municipality of San Jerónimo, Antioquia (Colombia). The productive variables of the laying hens, laying percentage, egg weight and feed conversion ratio were evaluated. This chemical silage production process generates a reduction of 1.493 kg of CO2 per month compared to that generated by fresh viscera and are discharged into shallow dumps. Additionally, the main categories that generate the greatest impact on the production system are the use of natural resources and wastewater disposal. On the other hand, the productive variables of laying hens of the Isa Brown breed were not significantly affected by the inclusion of chemical silage at the 95% significance level, maintaining the percentage of laying and improving feed conversion. It was concluded that the use of fish by-products to produce feed for laying hens generates a reduction in the environmental load when compared to conventional waste disposal processes (landfill disposal). Red tilapia (Oreochromis Spp.) viscera chemical silage can be used as an alternative protein substitute in feeding laying hens for improved production performance. Key words: Ecological footprint, fish waste, layer hen, chemical silage, wastewater

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Densidad de población y fertilización orgánica en habas del centro mexiquense

Carrera

López²,

Sangermán-Jarquín

et al. 2022

Remexca

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Dos experimentos se establecieron en 2017 y 2018 en San Nicolás Guadalupe, San Felipe del Progreso, Estado de México, para evaluar los efectos del distanciamiento entre plantas a 20, 30, 40 y 50 cm con la aplicación de gallinaza, lombricomposta, composta de champiñón y 30N-60P-60K en los cultivares identificados como Xalatlaco, Calimaya y San Felipe. Los 48 tratamientos fueron evaluados en una serie de experimentos en diseño de bloques completos al azar con tres repeticiones por año en un arreglo de parcelas subdivididas. En el análisis combinado se observó que en ambos años (A) hubo diferencias altamente significativas (p= 0.01) en 13 variables. En 2017 se favoreció la mejor expresión fenotípica en altura de planta (AP), floración (DF), vainas por planta (NVP), peso de vaina por planta (PVP), semillas por vaina (NSV), semillas limpias (NSL) y peso de semilla limpia (PSL), en comparación con 2018, pero el rendimiento (RTO) en ambos años fue de 1.5 t ha-1. En densidades (D) hubo diferencias significativas (p= 0.01) en 13 variables y se detectó que a un distanciamiento entre plantas de 20 cm hubo más NVP (18.5 cm), AP (1.4 cm) y APV (47.5 cm); a 40 y 50 cm entre plantas hubo más NR y NRP. En las características NSL, PSL y el RTO se presentó el mismo comportamiento a 20, 40 y 50 cm. En abonos orgánicos (F) hubo una diferenciación fenotípica significativa (p= 0.01) en AP, NVP, PVP, PSL y RTO; con gallinaza se obtuvo mayor AP y APV. La composta de champiñón favoreció PVP, NSM y peso de 100 semillas (P100S) y la lombricomposta lo hizo en NVP, PVP y PSL. Los tres cultivares (C) fueron diferentes significativamente (p= 0.01): Xalatlaco fue mejor en eficiencia (EFI), PVP, PSL, P100S y RTO (1.74 t ha-1).

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Fertilización orgánica con tres niveles de gallinaza en cuatro cultivares de papa

Cited by 5 publications

References 5 publications

The use of bacterial consortia improves seed tuber production in potato varieties for frying

The use of bacterial consortia improves seed tuber production in potato varieties for frying

Ecological footprint of different laying hen production systems in San Jeronimo municipality Antioquia, Colombia

Densidad de población y fertilización orgánica en habas del centro mexiquense

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