A Manual for Citrus Growers1947 - 141 páginas |
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Página 31
... fruit quality has been the subject of experiments conducted by H. D. Chapman , S. M. Brown and George F. Liebig , Jr. , of the Citrus Experiment Station . And while the notes from the preliminary report of these experiments are not ...
... fruit quality has been the subject of experiments conducted by H. D. Chapman , S. M. Brown and George F. Liebig , Jr. , of the Citrus Experiment Station . And while the notes from the preliminary report of these experiments are not ...
Página 43
... citrus pests . It is a small , red- ish scale insect with a waxy coating ... citrus fruits and is especially so on oranges . Injury to twigs and branches is noted ... Experiment Station , Riverside ) Black scale on wood ( Photo by Citrus ...
... citrus pests . It is a small , red- ish scale insect with a waxy coating ... citrus fruits and is especially so on oranges . Injury to twigs and branches is noted ... Experiment Station , Riverside ) Black scale on wood ( Photo by Citrus ...
Página 74
... citrus involving three property owners . ( Photo by Citrus Experiment Station . ) Citrus roots in this photograph had grown completely across trench barrier between November , 1938 , and December , 1939. More than one fumigation a year ...
... citrus involving three property owners . ( Photo by Citrus Experiment Station . ) Citrus roots in this photograph had grown completely across trench barrier between November , 1938 , and December , 1939. More than one fumigation a year ...
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