Saline water and biofertilizer from bovine and goat manure in the Lima bean crop
DOI:
https://doi.org/10.5039/agraria.v14i3a5672Keywords:
organic fertilizer, Phaseolus lunatus L., salt stressAbstract
The use of organic fertilizer may attenuate the deleterious effects of saline stress. This study aimed to evaluate the response of the lima bean crop at different levels of saline water in the soil, with and without bovine and goat biofertilizer. The experiment was conducted in the period from March to April 2017, at the experimental area of the Federal University of Ceará, Fortaleza, Ceará. The experimental design was a completely randomized treatment in a 5x3 factorial arrangement, with five replications. The treatments were composed by five levels of electrical conductivity from the irrigation water – Ecw: 0.5; 1.5; 2.5; 3.5 and 4.5 dS m-1, applied in vessels without and with bovine and goat biofertilizer. The following variables were analyzed: the electrical conductivity of the soil saturation extract, root length, stem diameter, number of leaves, leaf area, shoot and root dry weight, photosynthesis, transpiration and stomatal conductance. Goat biofertilizer attenuated the saline stress with more efficiency for the growth and dry weight variables. Plants fertilized with bovine biofertilizer have higher values of photosynthetic rate, transpiration rate and stomatal conductance than the plants with goat manure.
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