A Manual for Citrus Growers1947 - 141 páginas |
No interior do livro
Resultados 1-3 de 27
Página 39
... injury results from excess dosage , weak tree condition , or extremes of climate . Foggy weather , very high temperatures , or very low temperatures , all contribute to injuries to the trees . Injury from fumigation , while sometimes ...
... injury results from excess dosage , weak tree condition , or extremes of climate . Foggy weather , very high temperatures , or very low temperatures , all contribute to injuries to the trees . Injury from fumigation , while sometimes ...
Página 48
... injury from sulphur . SILVER MITE or RUST MITE is very closely related to the citrus bud mite and differs from it mainly in its habits and in the type of injury it produces . The silver mite lives on the surface of the fruits and ...
... injury from sulphur . SILVER MITE or RUST MITE is very closely related to the citrus bud mite and differs from it mainly in its habits and in the type of injury it produces . The silver mite lives on the surface of the fruits and ...
Página 62
... injury from cyanide fumigation , and since some districts are experi- encing direct copper damage to fruit and foliage , scientists have been searching for an effective fungicide containing less or no copper . At present a reduction of ...
... injury from cyanide fumigation , and since some districts are experi- encing direct copper damage to fruit and foliage , scientists have been searching for an effective fungicide containing less or no copper . At present a reduction of ...
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