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Some physical and chemical characteristics of loamless pot-plant substrates and their relation to plant growth

, : Some physical and chemical characteristics of loamless pot-plant substrates and their relation to plant growth. Acta Horticulturae (37): 1954-1965

The effect was investigated of different ratios and grades of peat and sand on the total porosity, air capacity, bulk density and easily available water in potting substrates, using tomato seedlings as test plants. Plant receiving an excessive number of irrigations showed a progressive reduction in growth as the air capacity of the substrate was reduced below 10%.

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