| | Sumário
Investig. Agrar. vol.21 no.1 San Lorenzo jun. 2019  Press Release | | | | |
| Artículos Científicos | | | | | | · Fertilization with pig slurry: impacts on earthworms in rainfed agriculture
Valdez-Ibañez, Alcira S.; Bosch-Serra, Àngela D.; Yagüe-Carrasco, María R.
| | | | | | · Capacity of a terrestrial optical sensor as a tool to detect nitrogen deficiency in cotton crop
Bonnin, Juan José; Franco Ibars, Rubén; Vera Ojeda, Pedro Aníbal; Avalos, Juan Daniel
| | | | | | · Aspectos fenológicos e produtividade de espécies de verão para cobertura de solo em Vacaria, RS
Pfüller, Ernane Ervino; Bueno Santos, Douglas; Ferreira Aires, Rogério; Galeano Samaniego, Maria Del Pilar
| | | | | | · Surface designs to determine the levels of N and P that maximize yield of tomato
Tineo Bermúdez, Alex Lázaro; Ayala Prado, Pepe; Cabrera Carranza, Carlos Francisco
| | | | | | · Paraguay´s export to MERCOSUR. Sub heading threatened by de UE-MERCOSUR trade agreement
Enciso Cano, Victor; Castillo Quero, Manuela
| | | | | | · SIG delimitation of an area of the ecoregion Humid Chaco to the right bank of the Paraguay river
Imaña Encinas, José; Campos da Nóbrega, Ricardo; Woo, Jong-Choon; Oliveira Ramos, Natália
| | | | | Notas de Investigación | | | | | | · Flowering, fructification and seed production in plants of Polystachya concreta (Jacq.) Garay y H.R. Sweet (Orquidaceae)
Lallana, Víctor Hugo; Michel, Analía; García, Luz Fabiola
| | | | | | · Effect of different osmotic potentials using polyethylene glycol on the germination and growth of seedlings of three varieties of soybean
Díaz Lezcano, Maura Isabel; Almada Vera, Victor Rodolfo; González Segnana, Luis Roberto; Riveros Insfrán, Ulises
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