Vol. 21 No. 1 (2019): Enero-Junio

View Vol. 21 No. 1 (2019): Enero-Junio

Published: 2019-06-05

SCIENTIFIC ARTICLES

Fertilization with pig slurry: impacts on earthworms in rainfed agriculture

Alcira S. Valdez-Ibañez, Angela D. Bosch-Serra, Maria R. Yagüe-Carrasco

1-10
- PDF (Español (España))
Capacity of a terrestrial optical sensor as a tool to detect nitrogen deficiency in cotton crop

Juan Jose Bonnin, Ruben Alcides Franco, Pedro Anibal Vera, Juan Daniel Avalos

11-22
- PDF (Español (España))
Phenological aspects and productivity of summer species for soil coverage in Vacaria, RS

Ernane Ervino Pfüller, Douglas Bueno Santos, Rogério Ferreira Aries, Maria del Pilar Galeano Samaniego

23-30
- PDF (Português (Brasil))
Surface designs to determine the levels of N and P that maximize yield of tomato

Alex Lázaro Tineo Bermúdez, Pepe Ayala Prado, Carlos Francisco Cabrera Carranza

31-42
- PDF (Español (España))
Paraguay's export to MERCOSUR: Sub heading threatened by de UE-MERCOSUR trade agreement

Victor Enciso Cano, Manuela Castillo Quero

43-53
- PDF (Español (España))
SIG delimitation of an area of the ecoregion Humid Chaco to the right bank of the Paraguay river

Jose Imana Encinas, Ricardo Campos da Nóbrega, Jong-Choon Woo, Natália Oliveira Ramos

54-64
- PDF (Español (España))

RESEARCH NOTES

Flowering, fructification and seed production in plants of Polystachya concreta (Jacq.) Garay y H.R. Sweet (Orquidaceae)

Victor Hugo Lallana, Analía Michel, Luz Fabiola García

65-72
- PDF (Español (España))
Effect of different osmotic potentials using polyethylene glycol on the germination and growth of seedlings of three varieties of soybean

Maura Isabel Díaz Lezcano, Victor Rodolfo Almada Vera, Luis Roberto González Segnana, Ulises Riveros

73-80
- PDF (Español (España))