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Effect of surfactant and calcium compounds extracted from oyster shell on calcium content of apple fruit treated alone or with agrochemicals

Moon, B.W.; Choi, J.S.; Kim, J.K.

Journal of the Korean Society for Horticultural Science 39(6): 716-720

1998


Accession: 003113591

Addition of surfactants to OS-Ca (calcium compound extracted from oyster shell) increased calcium concentration of apples when sprayed four times before harvest. Among the surfactants examined, the combined treatment of PVA-95 and ST-75 exhibited the highest effectiveness. The combined application of OS-Ca with several fungicides did not alter the chemical properties of fungicide or OS-Ca.

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