A Manual for Citrus Growers1947 - 141 páginas |
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Página 39
Mutual Orange Distributors (Redlands, Calif.) Willis Harlan Parker. Chapter Five INSECT PEST CONTROL CONTROL of insect pests is one of the most annoying problems confronting the grower of citrus fruits . The success with which he handles ...
Mutual Orange Distributors (Redlands, Calif.) Willis Harlan Parker. Chapter Five INSECT PEST CONTROL CONTROL of insect pests is one of the most annoying problems confronting the grower of citrus fruits . The success with which he handles ...
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Mutual Orange Distributors (Redlands, Calif.) Willis Harlan Parker. INSECT PEST CONTROL In areas where tartar emetic is no longer effective for citrus thrips control , application of a spray containing 1 quart of nicotine sulfate ( 40 ...
Mutual Orange Distributors (Redlands, Calif.) Willis Harlan Parker. INSECT PEST CONTROL In areas where tartar emetic is no longer effective for citrus thrips control , application of a spray containing 1 quart of nicotine sulfate ( 40 ...
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... PEST CONTROL ONE of the most satisfactory methods of controlling insect pests of citrus trees is the introduction of other insects that prey upon them . Classic examples of this are the control of cottony cushion scale by the Vedalia ...
... PEST CONTROL ONE of the most satisfactory methods of controlling insect pests of citrus trees is the introduction of other insects that prey upon them . Classic examples of this are the control of cottony cushion scale by the Vedalia ...
Índice
Chapter Page 1 SOILS CLIMATE WATER | 2 |
CITRUS TREES | 4 |
IRRIGATION PRACTICES | 11 |
Direitos de autor | |
18 outras secções não apresentadas
Palavras e frases frequentes
100 gallons acid alkaline ammonia amount applied areas black scale 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 profitable 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 deficiency zinc oxide zinc sulfate