A Manual for Citrus Growers1947 - 141 páginas |
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Página 40
... red spider . Medium is used on black and purple scales near the coast . In the intermediate areas , it is used on black and red scales on oranges . Heavy - medium and heavy oils are used principally on lemons for red scale and red ...
... red spider . Medium is used on black and purple scales near the coast . In the intermediate areas , it is used on black and red scales on oranges . Heavy - medium and heavy oils are used principally on lemons for red scale and red ...
Página 44
... RED SPIDER is to be con- sidered , oil spray will give a good combination control of both black scale and spider . In the interior districts 1-2 / 3 percent light - medium oil usually is applied . In coastal regions a medium oil is ...
... RED SPIDER is to be con- sidered , oil spray will give a good combination control of both black scale and spider . In the interior districts 1-2 / 3 percent light - medium oil usually is applied . In coastal regions a medium oil is ...
Página 137
... Red spider Oranges , navel , best climate for .. 3 Red spider , citrus Oranges , production cost .106 , 107 Rootstocks 81 43 44 45 6 Rough lemon rootstock Rounds , M. B. , on pruning [ 137 ]
... Red spider Oranges , navel , best climate for .. 3 Red spider , citrus Oranges , production cost .106 , 107 Rootstocks 81 43 44 45 6 Rough lemon rootstock Rounds , M. B. , on pruning [ 137 ]
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