Calcium Carbonate Can Be Used to Manage Soilless Substrate pH for Blueberry Production
نویسندگان
چکیده
Blueberry (Vacciniumcorymbosum interspecific hybrids) production in soilless substrates is becoming increasingly popular. Soilless have low pH buffering capacity. plants preferentially take up ammonium, which acidifies the rhizosphere. Consequently, where blueberry are grown exhibit a tendency to get acidified over time. Agricultural lime (CaCO3) commonly used raise soil and substrate other crops, but it rarely cultivation. We hypothesized that amendment with rates of agricultural increases capacity provides nutritional cations can benefit plants. tested this hypothesis greenhouse experiment ‘Emerald’ southern highbush rhizoboxes filled 3:1 mix coconut coir perlite. found CaCO3 did not cause high stress. This maintained between 5.5 6.5 provided Ca Mg for plant uptake. When were CaCO3-amended fertigated nutrient solution (pH 4.5), they exhibited greater biomass accumulation than unamended substrates. These results suggest could be useful cultivation
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ژورنال
عنوان ژورنال: Horticulturae
سال: 2021
ISSN: ['2311-7524']
DOI: https://doi.org/10.3390/horticulturae7040074