A Manual for Citrus Growers1947 - 141 páginas |
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Página 40
... Heavy - medium and heavy oils are used principally on lemons for red scale and red spider in most lemon districts . In addition to the foregoing classes are also the various forms in which the oil emulsions are supplied . When oils were ...
... Heavy - medium and heavy oils are used principally on lemons for red scale and red spider in most lemon districts . In addition to the foregoing classes are also the various forms in which the oil emulsions are supplied . When oils were ...
Página 57
... heavy pruning , where bare limbs are exposed to the direct sunshine , the general rule of competent pruners is that all saw cuts or heavy clipping of branches from 3 / 4 - inch to 1 inch or more in diameter should be covered with some ...
... heavy pruning , where bare limbs are exposed to the direct sunshine , the general rule of competent pruners is that all saw cuts or heavy clipping of branches from 3 / 4 - inch to 1 inch or more in diameter should be covered with some ...
Página 100
... heavy tonnage as the yellow . Wild Mustard : A native weed ; grows satisfactorily , but usually does not make the heavy tonnage of its two cousins . All mustards are heavy producers . The small seeds require a mel- low seed bed and ...
... heavy tonnage as the yellow . Wild Mustard : A native weed ; grows satisfactorily , but usually does not make the heavy tonnage of its two cousins . All mustards are heavy producers . The small seeds require a mel- low seed bed and ...
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