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    Vermicompost and water stress effects on dry beans (Phaseolus vulgaris L.): productive parameters and water relations

    Aguilar-Benítez G1*, CB Peña-Valdivia2, R Castro-Rivera3, JP Lara-Ávila1, E Cruz-Crespo4, AN Rojas-Velázquez1

    Phyton-International Journal of Experimental Botany, Vol.86, pp. 28-39, 2017, DOI:10.32604/phyton.2017.86.028

    Abstract It is documented that vermicompost increases germination and productivity of crops, but little is known of its effect on plant physiological responses under soil water deficit. The aim of this study was to analyze the effect of vermicompost and irrigation interruption on stomatal conductance, gas exchange, and yield of common bean cultivars (drought tolerant -cv. 92 and drought susceptible-cv. 122). Plants were cultivated in unamended soil or soil amended with 1.5 and 3% of vermicompost, with irrigation during the whole cycle but irrigation interruption at the flowering stage. Changes in soil moisture, stomatal conductance (gs), transpiration (E), CO2 assimilation (A),… More >

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