Soil fertility and plant nutrition in an organic olive orchard after 5 years of amendment with compost, biochar or their blend.

Although water content at the permanent wilting point (− 1500 kPa) was similar in all the treatments, the available water for plants showed an increasing trend, between 2.9 and 4.4% as compared to control soil.

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Whereas data on saturated hydraulic conductivity showed a large variability, the hydraulic conductivity measured at different tensions showed a decreasing trend due to the addition of the different amendments.

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