A Manual for Citrus Growers1947 - 141 páginas |
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Página 7
... grapefruit has been used as a rootstock in California - occa sionally in the past and more frequently in recent years especially for lemons . Its use is still experimental , however , for conflicting re- sults have been reported from ...
... grapefruit has been used as a rootstock in California - occa sionally in the past and more frequently in recent years especially for lemons . Its use is still experimental , however , for conflicting re- sults have been reported from ...
Página 113
... grapefruit at 26 ° ( sheltered thermometer ) . Fire green or half - ripe oranges and grapefruit at 27 ° . On cold nights following cool days ( highest temperature 59 ° or lower ) with a very slow temperature fall near danger point ...
... grapefruit at 26 ° ( sheltered thermometer ) . Fire green or half - ripe oranges and grapefruit at 27 ° . On cold nights following cool days ( highest temperature 59 ° or lower ) with a very slow temperature fall near danger point ...
Página 118
... grapefruit - they had no facilities of consequence for concentrating the juices . California had . Therefore , the Government granted to the Florida citrus indus- try priorities for materials with which to construct and equip concen ...
... grapefruit - they had no facilities of consequence for concentrating the juices . California had . Therefore , the Government granted to the Florida citrus indus- try priorities for materials with which to construct and equip concen ...
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