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7 - 12 70 <br /> • 0 - 6 • 180 <br /> Phosphorus <br /> 26 -45 0 <br /> 16 -25 20 <br /> 9 - 15 50 <br /> Magnesium <br /> 21 - 35 0 <br /> 11 -20 30 <br /> 0 - 10 60 <br /> On young plants banding of fertiliser on both sides of the row is accepted practice,however,by the third years this is <br /> usually broadcast. <br /> Applications of N throughout the growing season are advantageous,but there appears to be no disadvantages in <br /> applying P and K in single applications in either autumn or spring. As the plants continue growing well into the <br /> autumn, post-harvest applications of water and nutrients should continue into this period. <br /> Proprietary mixes suitable for berryfruit are available in most regions. Experience with chloride based fertilizers in the <br /> Nelson region has shown no deleterious effects on boysenberries,but this should be watched particularly in areas <br /> without irrigation or very low summer rainfall. Blackberries,which are amongst the least tolerant of the berry crops to <br /> excess chloride, should receive sulphate based potash fertiliser until experience suggests otherwise. <br /> FURTHER READING <br /> Anon(1975). Canefruit Reference Book. Publications 156, Agricultural Development and Advisory Services,Ministry <br /> of Agriculture, Fisheries and Food, UK,pp.40 <br /> Langford, G.I. (1985). Berryfruit. Varieties and culture for commercial production. New Zealand Ministry of <br /> Agriculture and Fisheries AgLink, HPP 86 <br /> Revision by Geoff Langford Canterbury Research Centre (03/96) <br /> Copyright©1995 The Horticulture and Food Research Institute of New Zealand Ltd.All rights reserved.Reproduction in whole or in part in any form or medium without express written <br /> permission of The Horticulture and Food Research Institute of New Zealand Ltd.is prohibited. <br />