Vol 21, No 4 (2019)

Table of Contents

Editorial

Climate crisis and environmental sustainability perspective of 11,000 scientists
Fortunato Escobar-Mamani
245 - 248
DOI: https://doi.org/10.18271/ria.2019.507

Original articles

Production of in vitro embryos in vitro a portable carbon dioxide incubator and viability in vivo post transfer to recipients cows
Manuel Guido Pérez Durand, Benicio Quispe Villalta, Uri Harold Perez Guerra
249 - 256
DOI: https://doi.org/10.18271/ria.2019.501
Plant parasitic nematodes associated with the cultivation quinoa in the Puno region, Perú
Israel Lima-Medina, Rosario Ysabel Bravo-Portocarrero, Zheyla Danitza Mamani-Cano
257 - 263
DOI: https://doi.org/10.18271/ria.2019.502
Effect of compost and NPK on the levels of microorganisms and cadmium in soil and almond of cocoa
Nelino Florida Rofner, Juan Paucar García, Santos Severino Jacobo Salinas, Fortunato Escobar-Mamani
264 - 273
DOI: https://doi.org/10.18271/ria.2019.503
Experimental research of a high efficiency natural convection double-flow solar air heater
José Quiñonez Choquecota
274 - 282
DOI: https://doi.org/10.18271/ria.2019.504
Comparison of organoleptic quality of coffee (Coffea arabica L.) in Puno (Peru) and La Paz (Bolivia)
Edwen Ramos Cotacallapa, Israel Lima-Medina, Grover B. Cornejo-Condori
283 - 292
DOI: https://doi.org/10.18271/ria.2019.505
Elaboration of a food mixture based on quinoa (Chenopodium quinoa Willd), cañihua (Chenopodium pallidicaule Aellen), barley (Hordeum vulgare L.), corn (Zea mays L.), bean (Vicia faba L.) and soybean (Glycine max L Merr) by cooking-extrusion process
Juan Marcos Aro Aro, Marienela Calsin Cutimbo
293 - 303
DOI: https://doi.org/10.18271/ria.2019.506
View All Issues