A Manual for Citrus Growers1947 - 141 páginas |
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Página 1
... root zone . In connection with these soils there are other problems which may tend to accentuate adverse growing conditions . Many of these soils are high in salt such as sodium sulphate and sodium carbonate , and if the irrigation ...
... root zone . In connection with these soils there are other problems which may tend to accentuate adverse growing conditions . Many of these soils are high in salt such as sodium sulphate and sodium carbonate , and if the irrigation ...
Página 25
... root zone . Fertilizers remaining in the surface area of the soil after the rains have passed , are not readily moved into the root area by usual furrow irrigation . III Nitrogen in nitrate form penetrates soil readily , and , when ap ...
... root zone . Fertilizers remaining in the surface area of the soil after the rains have passed , are not readily moved into the root area by usual furrow irrigation . III Nitrogen in nitrate form penetrates soil readily , and , when ap ...
Página 34
... root zone . " The transformation of unavailable nitrogen in the soil is a func- tion of certain soil bacteria and the activity of these bacteria is great- ly influenced by soil temperatures . Therefore , it is necessary to select ...
... root zone . " The transformation of unavailable nitrogen in the soil is a func- tion of certain soil bacteria and the activity of these bacteria is great- ly influenced by soil temperatures . Therefore , it is necessary to select ...
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