A Manual for Citrus Growers1947 - 141 páginas |
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Página 44
... treatments . Oil spraying or fumigation for black scale in coastal areas is best done in August and December . In intermediate regions treatment in August and Sep- tember usually is satisfactory . Where late holding of Valencia oranges ...
... treatments . Oil spraying or fumigation for black scale in coastal areas is best done in August and December . In intermediate regions treatment in August and Sep- tember usually is satisfactory . Where late holding of Valencia oranges ...
Página 61
... treatment should be repeated before the first rains set in . Under some conditions it may be necessary to repeat this treatment every four months for the first year and sometimes it is advisable to continue the treatment the second year ...
... treatment should be repeated before the first rains set in . Under some conditions it may be necessary to repeat this treatment every four months for the first year and sometimes it is advisable to continue the treatment the second year ...
Página 75
... treated with carbon bisulfide as de- scribed in the foregoing paragraph . The barrier treatment should be repeated every six months as long as infected trees remain in the isolated area . Water Spot : This is not exactly a disease but ...
... treated with carbon bisulfide as de- scribed in the foregoing paragraph . The barrier treatment should be repeated every six months as long as infected trees remain in the isolated area . Water Spot : This is not exactly a disease but ...
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