A Manual for Citrus Growers

100 gallons acid alkaline ammonia amount applied areas BIOLOGICAL PEST CONTROL black scale boxes per acre brown rot carbon cause chemical chlorosis Citrus Diseases Citrus Experiment Citrus Foods 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 fruit quality fumigation fungus furrows grapefruit green grove growth gummosis heavy inches injury insects irrigation irrigation water juice leaf lemons lime manganese deficiency manures mealybug method mixture moisture Mutual Orange Distributors navel navel oranges nitrate nitrogen oil spray orchard organic material packed boxes parasites percent pest control phosphorus plow-sole potash pounds production pruning red scale red spider rind root zone rootstock Rough lemon scaly bark Septoria sucker sulphate sulphur symptoms temperature thrips treatment trifoliate orange trunk usually Valencia orange weeds windbreak wood young trees zinc sulfate