A Manual for Citrus Growers1947 - 141 páginas |
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Página 34
... temperatures . Therefore , it is necessary to select nitrogen according to season and soil temperature or the period of growth at which nitrogen is needed for crop stimulation . " For crops which are fertilized with nitrogen only , we ...
... temperatures . Therefore , it is necessary to select nitrogen according to season and soil temperature or the period of growth at which nitrogen is needed for crop stimulation . " For crops which are fertilized with nitrogen only , we ...
Página 112
... temperatures , and confusion and fear , one seldom arrives at a constructive deci- sion . One should not expect to carry an under - supply of fuel , and expect to get extra ... TEMPERATURE . Fruit [ 112 ] A MANUAL FOR CITRUS GROWERS.
... temperatures , and confusion and fear , one seldom arrives at a constructive deci- sion . One should not expect to carry an under - supply of fuel , and expect to get extra ... TEMPERATURE . Fruit [ 112 ] A MANUAL FOR CITRUS GROWERS.
Página 113
... TEMPERATURE . Fruit temperatures are practically always higher than air temperatures when the temperature is falling , but with a stationary temperature for an hour or more the fruit may be as cold , or even slightly colder , than the ...
... TEMPERATURE . Fruit temperatures are practically always higher than air temperatures when the temperature is falling , but with a stationary temperature for an hour or more the fruit may be as cold , or even slightly colder , than the ...
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