A Manual for Citrus Growers1947 - 141 páginas |
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Página 30
... pounds of nitrogen , 14 pounds of phosphoric acid , 56 pounds of potash , and 22 pounds of lime from an acre . This does not include losses by leaching or include what is needed for foliage and tree growth . Commercial usage has shown ...
... pounds of nitrogen , 14 pounds of phosphoric acid , 56 pounds of potash , and 22 pounds of lime from an acre . This does not include losses by leaching or include what is needed for foliage and tree growth . Commercial usage has shown ...
Página 62
... pound per 100 gallons is advised . The addition of 5 pounds of zinc sulfate has been found helpful in reducing fumigation injury and in correcting and prevent- ing mottle leaf . The recommended formula is 5 pounds of zinc sul- fate , 1 ...
... pound per 100 gallons is advised . The addition of 5 pounds of zinc sulfate has been found helpful in reducing fumigation injury and in correcting and prevent- ing mottle leaf . The recommended formula is 5 pounds of zinc sul- fate , 1 ...
Página 93
... pound copper sulfate , 5 pounds zinc sulfate , 4 pounds hydrated lime to 100 gallons water . Copper Deficiency Unlike iron , zinc , and manganese deficiencies , lack of copper does not result in distinct or clear - cut leaf patterns ...
... pound copper sulfate , 5 pounds zinc sulfate , 4 pounds hydrated lime to 100 gallons water . Copper Deficiency Unlike iron , zinc , and manganese deficiencies , lack of copper does not result in distinct or clear - cut leaf patterns ...
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