Πλοήγηση ανά Θέμα "Pumice"
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Availability of macrocations in perlite and pumice as influenced by the application of nutrient solutions having different cation concentration ratios
(2001)Unused pumice and perlite substrates were placed in 4 litre pots and washed (2 litres per pot) with 2 nutrient solutions differing in the K: Ca: Mg ratio (A = 2.8:3:1, B = 5.6:3:1; ratios on equivalent basis). After ...