Deficit irrigation combined with irrigation without deficit to allow an efficient use of water in the culture of stevia.

Authors

  • Roberto Villafañe Facultad de Agronomía, Universidad Central de Venezuela. Maracay. Apdo. 4579. Venezuela.
  • Xander Pacheco Facultad de Agronomía, Universidad Central de Venezuela. Maracay. Apdo. 4579. Venezuela.
  • Ramón Gorrín Facultad de Agronomía, Universidad Central de Venezuela. Maracay. Apdo. 4579. Venezuela.
  • Carmen Basso Facultad de Agronomía, Universidad Central de Venezuela. Maracay. Apdo. 4579. Venezuela.

Keywords:

Irrigation scheduling, fertigation

Abstract

Globally, much effort is being made to increase water productivity in agriculture because water supplies are under pressure from other users and are being affected by climate change. The objective of this study was to evaluate, in the stevia crop, a strategy that achieves an increase in water productivity without reducing the yield of the plant. We evaluated the effect of four treatments of deficit irrigation: 25, 50, 75 and 100 % of the crop evapotranspiration (ETc), combined with irrigation without deficit, on changes in soil water content, crop yield and water use efficiency. In the treatment with 50 % ETc, the strategy prevented plant water stress and permitted an efficient use of water by the crop which implied an important saving of the water resource.

Downloads

Download data is not yet available.

References

1. García, E., R. Villafañe, C. Basso y A. Florentino. 2015. Dinámica de la humedad del suelo y su efecto sobre el rendimiento de la stevia. Venesuelos 23: 5-10.

2. Gavilán, P. y F. Castillo. 2009. Estimating reference evapotranspiration with atmometers in a semiarid environment. Agricultural Water Management 96: 465-472.

3. Herrera, F., R. Gómez y C. González. 2012. El cultivo de Stevia (Stevia rebaudiana Bertoni) en condiciones agroambientales de Nayarit, México. Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias. Folleto Técnico 19. Nayarit, México. 52 p.

4. Karimi, M., A. Ahmadi, J. Hashemi, A. Abbasi, S. Tavarini, L. Guglielminetti y L. Angelini. 2015. The effect of soil moisture depletion on stevia (Stevia rebaudiana Bertoni) grown in greenhouse conditions: Growth, steviol glycosides content, soluble sugars and total antioxidant capacity. Scientia Horticulturae 183: 93-99.

5. Magliulo, V., R. d’Andrea y G. Rana. 2003. Use the modified atmometer to estimate reference evapotranspiration in Mediterranean environments. Agricultural Water Management 63: 1-14.

6. Vásquez, R., E. Ventura y J. Acosta. 2011. Habilidad de estimación de los métodos de evapotranspiración para una zona semiárida del centro de México. Revista Mexicana de Ciencias Agrícolas 2: 399-415.

7. Villafañe, G., C. Basso y R. Villafañe. 2016b. Evapotranspiración y coeficientes de cultivo (Kc) de Stevia [Stevia rebaudiana (Bertoni) Bertoni] bajo condiciones parcialmente protegidas. Bioagro 28: 131-136.

8. Villafañe, R., A. Jaspe, J. D’Lima y C. Basso. 2016a. Comportamiento de la descarga de fertilizantes en goteros cercanos y lejanos al inyector. Bioagro 28: 209-214

Published

2020-05-01

How to Cite

Villafañe, R., Pacheco, X., Gorrín, R., & Basso, C. (2020). Deficit irrigation combined with irrigation without deficit to allow an efficient use of water in the culture of stevia. Bioagro, 30(3), 201-208. Retrieved from https://revistas.uclave.org/index.php/bioagro/article/view/2718