A Manual for Citrus Growers1947 - 141 páginas |
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Página 89
... 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 the ...
... 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 the ...
Página 91
... chlorosis than in leaves less affected ; often the leaves are completely yellow or yellowish - green save for a greenish midrib and occasional green spots in the leaf . The deficiency is usually worse on the south side of the tree than ...
... chlorosis than in leaves less affected ; often the leaves are completely yellow or yellowish - green save for a greenish midrib and occasional green spots in the leaf . The deficiency is usually worse on the south side of the tree than ...
Página 135
... Chlorosis , iron 88 Anhydrous ammonia 25 Citric acid .119 Ants , Argentina 53 Citricola scale 45 Aphids , citrus 51 Citrus acreage in California .116 Armillaria root rot Citrus aphids 51 " Available moisture , " irrigation B Balled ...
... Chlorosis , iron 88 Anhydrous ammonia 25 Citric acid .119 Ants , Argentina 53 Citricola scale 45 Aphids , citrus 51 Citrus acreage in California .116 Armillaria root rot Citrus aphids 51 " Available moisture , " irrigation B Balled ...
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