A Manual for Citrus Growers1947 - 141 páginas |
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Página 10
... sulphate , or with a mixture of 5 parts zinc sulphate , 1 part copper sulphate , and 4 parts of hydrated lime . If mottle - leaf is prevalent , spray with zinc and manganese one or two times . Chapter Three IRRIGATION PRACTICES ...
... sulphate , or with a mixture of 5 parts zinc sulphate , 1 part copper sulphate , and 4 parts of hydrated lime . If mottle - leaf is prevalent , spray with zinc and manganese one or two times . Chapter Three IRRIGATION PRACTICES ...
Página 35
... sulphate of ammonia , am- monium phosphate , etc. , that are able to neutralize alkali . One ton of sulphate of ammonia , for instance , should neutralize the alkalinity of 2200 pounds of lime . Superphosphates , sulphate of potash ...
... sulphate of ammonia , am- monium phosphate , etc. , that are able to neutralize alkali . One ton of sulphate of ammonia , for instance , should neutralize the alkalinity of 2200 pounds of lime . Superphosphates , sulphate of potash ...
Página 51
... sulphate dust or spray of nicotine sulphate in the propor tions of 3/4 of a pint to a pint to 100 gallons of water with a spread- er . Rotenone sprays have been universally successful . ORANGE WORMS - Tortrix and holcocera worms eat ...
... sulphate dust or spray of nicotine sulphate in the propor tions of 3/4 of a pint to a pint to 100 gallons of water with a spread- er . Rotenone sprays have been universally successful . ORANGE WORMS - Tortrix and holcocera worms eat ...
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