E. G. Bollard

• Manganese deficiency of apricots
• Nitrogen metabolism of apple trees
• Note on internal browning of quince fruits
• Prospects for horticulture, a research viewpoint
• Science and technology in New Zealand
• Severe potash deficiency in young peach trees
• The Threat of nuclear war
• The use of tracheal sap in the study of apple-tree nutrition
• Zinc deficiency in peaches and nectarines
• Zinc deficiency in pears