ISHS Acta Horticulturae 274: International Symposium on Diagnosis of Nutritional Status of Deciduous Fruit Orchards
IMPROVING MG SUPPLY OF APPLE ORCHARDS OF SANDY SOIL WITH DOLOMITE |
| Authors: | J. Papp, I. Pápainé, T. Tóth |
| Abstract:
In a field experiment lasting 7 years it was testified that dolomite ground to a diameter of 0.2 mm or less and having more than 20% MgO supplies satisfactory apple orchards on strongly acidic sandy soils with Mg for 3–5 years if applied in doses 2–4 t/ha. On the light sandy soils however, it is not advised to apply more than 2–4 t/ha of dolomite in a period of 2–3 years beacuse it may lead to a too high level of available Mg. Jonathan and Starking trees on rootstock M4 showed moderate requirements to available Mg. | |
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