Vegetative growth, stomatal resistance, photosynthetic efficiency and yield of watermelon plants under different water levels - DOI: 10.4025/actasciagron.v32i1.2136. (2009). Acta Scientiarum. Agronomy, 32(1), 73-79. https://doi.org/10.4025/actasciagron.v32i1.2136