| Table of contents Manglar vol.19 no.1 Tumbes Jan./Mar. 2022 Original articles | | | | · Early testing on S1 lines of black corn (Zea mays L.) from the Ecuadorian highlands Merino, Jorge; Viera, William; Garófalo, Javier; Mejía, Paúl; Sánchez, Víctor
| | | | · Microbial consortiums applied in seedling production system of avocado cultivar "Criollo" Sotomayor, Andrea; Mejía, Paúl; Morocho, Daniel; Gaona, Pablo; Viteri, Pablo; Medina, Lorena; Viera, William
| | | | · In vitro rooting and the influence of four types of substrates on the acclimatization of Queñoa Polylepis rugulosa Bitter Mollohuanca, Carmen; Bustamante, Edwin; Mayta, Luis; Bardales, Roxana
| | | | · Water contribution of the “Tres Ríos” River, according to the recessive flow, for the hydrological years 2008-2015, Cajamarca, Peru Villanueva, Jairo Isaí Alvarez; Huamán Vidaurre, José Francisco
| | | | · Effect of temperature on the growth of Juveniles of Oreochromis niloticus tilapia in an aquaculture exchange system (RAS) Kaneshima Gonzalez, Kenyi; De La Cruz Barrueto, Katicsa Natalie; Ponciano Quezada, Miguel Ángel; Toledo Meza, Nicole; Malpica, Zoila Gladis Culquichicón
| | | | · Determination of the color change in frying of four varieties of potato (Solanum tuberosum) using computer vision Salhuana, José; Siche, Raúl; Abanto, Leidyn; Vásquez, Víctor
| | | | · Are investments in natural infrastructure cost-effective? A contextual analysis of payments for hydric ecosystem services Cervantes Zavala, Ronal; Sánchez Uzcátegui, José Miguel; Rendón Schneir, Eric; Alegre Orihuela, Julio
| | | | · Use of unauthorized pesticides in primary agricultural foods, Peru (2011-2018) Correa-Núñez, Germán; Rojas-Jaimes, Jesús
| | | | · Environmental damage to the Peruvian marine littoral caused by the oil spill (January 2022) at the La Pampilla refinery Capurro, Víctor Pulido; Martínez, José Cruz; Bustamante, César Arana; Carhuaz, Edith Olivera
| | | | · Productive parameters of criollo sheep Mamani-Cato, Rubén Herberht; Condori-Rojas, Nicoll; Huacani-Pacori, Ferdynand Marcos; Mamani, Vilk Modesto Checalla
| | | | · Response of rice (Oryza sativa L.) crop to the application of biol, manure tea and humic acid Diaz Almea, Yovita Mercedes; Contreras-Miranda, Javier Antonio
| | | | · Borax and boric acid impregnation into Guadua angustifolia Kunth cane by immersion method Simisterra Borja, Juan Pablo; Proaño, Roberto Enrique Cervantes; Yanez, Lorena E Ona; Bone, Digmar Alfredo Lajones
| | | | · Liturgusa maya, Saussure & Zehntner, 1894 (Mantodea-Liturgusidae), a species of mantis frequent in cocoa crops in the Tumbes region, Peru Castillo-Carrillo, Pedro S.; Purizaga-Preciado, Jorge L.; Eras-Rosillo, Johan L.
| | | | · Effect of honey (Apis mellifera) on the preservation of macadamia paste (Macadamia integrifolia) Rosado, Lissette Elizabeth Mera; Herrera, Fanny Lisbeth Cuadros; Mendoza, Jordan Javier García; Alava, Cecilia Párraga
| | | Review articles | | | | · Importance of paclobutrazol in out-of-season citrus production Bazurto, Fernando Párraga; Celi, Adriana; Corozo, Liliana; Solís, Leonardo
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