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INFLUENCE OF SOIL MOISTURE ON APPLE ROOT GROWTH AND ROOT - SHOOT RATIOS
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EFFECT OF IRRIGATION ON GROWTH, CROPPING AND NUTRITION OF COXS ORANGE PIPPIN APPLE TREES
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NITROGEN AND WATER EFFECTS ON NUTRITION, GROWTH, CROP YIELD AND FRUIT-QUALITY OF ORCHARD-GROWN COXS ORANGE PIPPIN APPLE-TREES
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JOURNAL OF HORTICULTURAL SCIENCE,
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HOBLYN T. N., 1936, Journal of Pomology, V14, P39
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HOFMANN FRED W., 1933, PROC AMER SOC HORT SCI, V30, P299
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MACK WB, 1924, P AM SOC HORTIC SCI, V21, P296
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PARTRIDGE NL, 1919, P AM SOC HORTICULTUR, V16, P104