A Manual for Citrus Growers1947 - 141 páginas |
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Página 87
Mutual Orange Distributors (Redlands, Calif.) Willis Harlan Parker. IRON DEFICIENCY tially the same . However , the supply of iron in an average soil is about 2500 times that of boron . While the total iron of a soil , if all available ...
Mutual Orange Distributors (Redlands, Calif.) Willis Harlan Parker. IRON DEFICIENCY tially the same . However , the supply of iron in an average soil is about 2500 times that of boron . While the total iron of a soil , if all available ...
Página 89
... iron chlorosis , but the fundamental distinction to iron is that in the case of manganese deficiency the portion of the leaf immediately adjacent to the veins remains green ; that is , the green of the veins spreads somewhat more into ...
... iron chlorosis , but the fundamental distinction to iron is that in the case of manganese deficiency the portion of the leaf immediately adjacent to the veins remains green ; that is , the green of the veins spreads somewhat more into ...
Página 90
... iron chlorosis with no trace of manganese deficiency ; and conversely , only manganese de- ficiency with no sign of iron deficiency . The manganese pattern closely resembles that of zinc deficiency also , but a fundamental difference is ...
... iron chlorosis with no trace of manganese deficiency ; and conversely , only manganese de- ficiency with no sign of iron deficiency . The manganese pattern closely resembles that of zinc deficiency also , but a fundamental difference is ...
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