Nutritional requirements of macronutrients in stevia crop (Stevia rebaudiana Bertoni)

Authors

DOI:

https://doi.org/10.56926/repia.v2i2.49

Keywords:

concentration, fertilization, nutrient extraction, stevia, yield

Abstract

The stevia crop is native to America and has gained much popularity among consumers in the last decades; however, optimal nutrition and fertilization are required. Therefore, the objective of the present experiment aimed to determine the effect of fertilization on nutrient extraction and yield. Stevia plants were selected and propagated for field experiments. The study was installed in a randomized complete block design (RCBD) with four treatments: T0 (Control), T1 (10N-10P2O5-35K2O), T2 (80N-15P2O5-70K2O), T3 (160N-20P2O5-140K2O); With three repetitions each. The evaluation parameters were height, stem diameter, yield, nutrient concentration, and extraction (N, P, and K). ANOVA was performed, and the comparison of means by the Scott-Knott test (p≤0.05). The results indicated that the treatment with higher fertilizers was the best, indicating that larger doses are needed to reach an optimal value. The most required nutrient for stevia cultivation is nitrogen, followed by potassium and phosphorus, respectively. The crop extraction per ton was approximately 30 kg N, 4.4 kg of P2O5, and 18 kg of K2O for treatment with higher yield.

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REPIA

Published

10/25/2023

How to Cite

Correa-Villacorta, J. A., Arévalo-Hernández, C. O., Arévalo-Gardini, J., & Arévalo-Gardini, E. (2023). Nutritional requirements of macronutrients in stevia crop (Stevia rebaudiana Bertoni) . Revista Peruana De Investigación Agropecuaria, 2(2), e49. https://doi.org/10.56926/repia.v2i2.49