A Manual for Citrus Growers

100 gallons acid alkaline ammonia amount applied areas black scale Bordeaux boxes per acre brown rot carbon cause chemical chlorosis Citrus Diseases Citrus Experiment Station citrus fruits citrus growers Citrus Leaves citrus trees copper COST PER ACRE County cover-crops crop cultivation Cultural Cost damage dust effective fertilizer field boxes foliage fumigation fungus furrows grapefruit grove growth heavy inches injury insects irrigation irrigation water juice leaf lemons lime manganese deficiency manures material mealybug method mixture moisture Mutual Orange Distributors navel navel oranges nitrate nitrogen oil spray orchard organic matter packed boxes parasites percent pest control phosphate phosphorus plow-sole potash pounds production pruning red scale red spider rind root zone rootstock Rough lemon scaly bark Septoria soil sucker sulphate sulphur symptoms temperature thrips treatment trifoliate orange trunk usually Valencia orange virus weeds windbreak wood young trees zinc oxide zinc sulfate