A Manual for Citrus Growers1947 - 141 páginas |
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Página 81
... fruit , according to H. D. Chapman , S. M. Brown and D. S. Rayner of the California Citrus Experiment Sta- tion . In an article printed in Citrus Leaves of March , 1945 , they discuss " Nutrient Deficiencies of Citrus ; Symptoms , Cause ...
... fruit , according to H. D. Chapman , S. M. Brown and D. S. Rayner of the California Citrus Experiment Sta- tion . In an article printed in Citrus Leaves of March , 1945 , they discuss " Nutrient Deficiencies of Citrus ; Symptoms , Cause ...
Página 87
... citrus orchards show iron deficiency symptoms . Clearly , it is the availability of an element , not total amount , that counts . In addition to the 11 elements listed in Table 1 , citrus ... leaves is that of a fine network of green veins ...
... citrus orchards show iron deficiency symptoms . Clearly , it is the availability of an element , not total amount , that counts . In addition to the 11 elements listed in Table 1 , citrus ... leaves is that of a fine network of green veins ...
Página 90
... trees show no particular lack of foliage and it may be that the leaves are as effective in photo - synthesis as normal green leaves . It is a common observation , however , that manganese sprays do not have as lasting an effect as zinc ...
... trees show no particular lack of foliage and it may be that the leaves are as effective in photo - synthesis as normal green leaves . It is a common observation , however , that manganese sprays do not have as lasting an effect as zinc ...
Índice
Chapter Page 1 SOILS CLIMATE WATER | 2 |
CITRUS TREES | 4 |
IRRIGATION PRACTICES | 11 |
Direitos de autor | |
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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