Vol. 81 No. 2 (2020): Julio a Diciembre

Original articles/ Agricultural and Biological Sciences

Effect of new solid and liquid fertilizers on the production of coffee (Coffea arabica) seedlings under nursery cultivation in Chirinos, Cajamarca, Peru

Juan Carlos Jaulis C., Ana Martínez V.; Juan Juscamaita M.; Enrique Raúl Adama Rojas, Jorge Víctor Adama Goméz

336-346
- PDF (Spanish)
Effect of the photoperiod and the use of a commercial foliar nutrient on the growth (Biomass) of Pyropia sp. CHI “Cochayuyo” under controlled cultivation conditions

Samuel Arbaiza, Max Castañeda, Orlando Advíncula, Víctor Meza

347-354
- PDF (Spanish)
Infestation, damage and natural enemies of Heteropsylla texana on algarrobo (Prosopis sp.) in Tongorrape (Motupe-Lambayeque)

Shirley Mormontoy, Agustín Martos, María Manta, Julián Chura

355-364
- PDF (Spanish)
Adherence in the reinforced concrete with bamboo

Wilder Roger Vargas Vásquez, Alfonso Cerna Vásquez, Johana Nayeli Cuéllar Cajahuaringa

365-375
- PDF (Spanish)
Effect of accelerated organic fertilizer on coffee seedlings (Coffea arabica L.)

Roberto Cosme De La Cruz, Auristela Reynoso Zárate, Enrique Raúl Adama Rojas, Vs Pocomucha Poma

376-384
- PDF (Spanish)
Response of the beginning of the partial root-zone drying irrigation in the performance of the sweet potato culture (Ipomoea batatas)

Miguel A. Sánchez D, Jesús A. Mejía M., Duaner A. Juli T., Gilberto Rodríguez S., José B. Arapa Q.

385-394
- PDF (Spanish)
Severity of Peronospora variabilis Gäum. in five cultivars of Chenopodium quinoa Willd. under field conditions in La Molina

Héctor Andrés Ramírez Maguiña, Luz Leonor Mattos Calderón, Alejandro Risco Mendoza

395-404
- PDF (Spanish)
Analysis of inbreeding on parameters reproductive in a dairy herd at central cost

Jorge P. Calderón Velásquez, Gladys L. Garay Livia

405-414
- PDF (Spanish)
Sodium lasalocid in blackbelly sheep feed (Ovis aries)

Jorge L. Aliaga Gutiérrez, Belisario A. Chian Vásquez, José L. Cántaro Segura

415-423
- PDF (Spanish)
Characterization of a spark ignition motor, operated with biogas for electricity generation

Juvenal Viviano García Armas

424-430
- PDF (Spanish)

Original articles/ Business, Management and Accounting

Evaluation of computerized tests applying the classical theory of the tests and the theory of response to the item

César Higinio Menacho Chiok, Jesús María Cano Alva Trinidad

278-288
- PDF (Spanish)
Determinants of bank savings deposits in Peru: A region approach

Tatiana Angélica Leyva Pedraza, Juan Carlos Rojas Cubas

289-298
- PDF (Spanish)

Original articles / Environmental Science

Variation in population density of Apis mellifera L. on tangerine crop

Yessica Vargas, Agustín Martos, Julián Chura

299-309
- PDF (Spanish)
Seasonal occurrence of pests and predators in growing watermelon (Citrullus lanatus) (Thunb.) in La Molina

Daniel Ccahuana, Germán Joyo, Jorge Castillo, Alfredo Beyer, Patricia Rodriguez

310-321
- PDF (Spanish)
Population dynamics of Clibanarius antillensis (Crustacea: Anomura: Diogenidae) of the location of Puerto Abajo, New Sparta state. during the march-september 2014 period

Orgelis Contreras Mata, Carlos Lira Gómez

322-335

Vol. 81 No. 2 (2020): Julio a Diciembre

Original articles/ Agricultural and Biological Sciences

Effect of new solid and liquid fertilizers on the production of coffee (Coffea arabica) seedlings under nursery cultivation in Chirinos, Cajamarca, Peru

Effect of the photoperiod and the use of a commercial foliar nutrient on the growth (Biomass) of Pyropia sp. CHI “Cochayuyo” under controlled cultivation conditions

Infestation, damage and natural enemies of Heteropsylla texana on algarrobo (Prosopis sp.) in Tongorrape (Motupe-Lambayeque)

Adherence in the reinforced concrete with bamboo

Effect of accelerated organic fertilizer on coffee seedlings (Coffea arabica L.)

Response of the beginning of the partial root-zone drying irrigation in the performance of the sweet potato culture (Ipomoea batatas)

Severity of Peronospora variabilis Gäum. in five cultivars of Chenopodium quinoa Willd. under field conditions in La Molina

Analysis of inbreeding on parameters reproductive in a dairy herd at central cost

Sodium lasalocid in blackbelly sheep feed (Ovis aries)

Characterization of a spark ignition motor, operated with biogas for electricity generation

Original articles/ Business, Management and Accounting

Evaluation of computerized tests applying the classical theory of the tests and the theory of response to the item

Determinants of bank savings deposits in Peru: A region approach

Original articles / Environmental Science

Variation in population density of Apis mellifera L. on tangerine crop

Seasonal occurrence of pests and predators in growing watermelon (Citrullus lanatus) (Thunb.) in La Molina

Population dynamics of Clibanarius antillensis (Crustacea: Anomura: Diogenidae) of the location of Puerto Abajo, New Sparta state. during the march-september 2014 period

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