Occasional Publications on Scientific Horticulture: Mineral deficiencies in fruit and vegetable crops, Issue 5Horticultural Education Association, 1947 - Horticultural societies |
Contents
FOREWORD | 2 |
WALLACE T Mineral Deficiencies in Fruit and Vegetable Crops | 10 |
JONES J O Field Methods for the Diagnosis of Mineral Deficiencies | 18 |
2 other sections not shown
Common terms and phrases
acid activity Agriculture amount appear apples application applied attack become boron brassica cabbage calcium Canker carried cause chemical complete compounds concentrations crops cultivation cultures deficiency designed disease dust early effects element engine equipment essential example experiments factors field film flowers fruit furrow garden give given growers growing growth horticultural illus importance included increased induced insect insecticides interest iron known land leaf learning leaves London Long Ashton magnesium manganese material means methods mineral natural necessary nitrogen normal nutrients observations obtained occur onions operation pear pest plants plough plum possible potassium potatoes practical preparation present problems produced recently Research root sand season seed seedlings shoots shown Silent soil solution Sound spraying stem substances supply symptoms technique tomato trace tractor treatment trees trial varieties vegetable