A Manual for Citrus Growers1947 - 141 páginas |
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Página 13
... amount ( between field capacity and wilting point ) is known as " available moisture . " However , some soils yield as much as three - fourths of their water to plants and others less than one - fourth . As a result , two soils which ...
... amount ( between field capacity and wilting point ) is known as " available moisture . " However , some soils yield as much as three - fourths of their water to plants and others less than one - fourth . As a result , two soils which ...
Página 28
... amount of fertilizer carried by the water . A more accurate method is to dissolve a definite amount of fer- tilizer in a tank of known capacity . The solution can then be trickled into the irrigation stream , and by regulating the rate ...
... amount of fertilizer carried by the water . A more accurate method is to dissolve a definite amount of fer- tilizer in a tank of known capacity . The solution can then be trickled into the irrigation stream , and by regulating the rate ...
Página 110
... amount of damage done to citrus by snails is sufficiently ex- tensive to warrant a few paragraphs in this Manual on ... amount will stick on the tree . Tartar emetic sprays should be applied when the tree is dry . Metaldehyde baits are ...
... amount of damage done to citrus by snails is sufficiently ex- tensive to warrant a few paragraphs in this Manual on ... amount will stick on the tree . Tartar emetic sprays should be applied when the tree is dry . Metaldehyde baits are ...
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