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- Browsing Illustrated Concepts in Tropical Agriculture, 1970 - 1981 by Title
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Browsing Illustrated Concepts in Tropical Agriculture, 1970 - 1981 by Title
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Now showing items 16-25 of 25
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(University of Hawaii, 1980)Tropical soils may lack reserves of available K due to nutrient leaching, and harvesting of K-rich crops such as banana may deplete the limited reserves. Symptoms of gradually increasing K deficiency over a 6-year period ...
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(University of Hawaii, 1978)The fate of various levels of phosphorus applied to a grass-legume forage mixture on a strongly P-"fixing" Gibbsihumox soil was tracked over 9 years. The status of the plots at the end of that time is shown in a photo, and ...
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(University of Hawaii, 1978)The importance of depth of rooting during seasonal droughts is illustrated, and the facts that influence rooting depth are discussed.
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(University of Hawaii, 1978)A laboratory evaluation of the response of four highly weathered Hawaii soils with varying phosphorus sorption ("fixation") capacities to P additions is described. P adsorption curves comparing P sorbed and P in the soil ...
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(University of Hawaii, 1980)Soybean plants that depend upon symbiotic nitrogen fixation for their N have a higher P requirement than their counterparts supplied with fixed N from an external source.
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(University of Hawaii, 1971)Deficiencies of immobile nutrients (iron, manganese) caused by additions of phosphorus are shown in young macadamia leaves.
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(University of Hawaii, 1971)The manner in which phosphorus inputs affect expression of zinc deficiency on corn growing in a soil (a Hydrandept) with high phosphorus immobilization ("fixation") capacity is illustrated with photographs.
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(University of Hawaii, 1978)Deficiences of silicon in a Si-deficient soil (a Gibbsihumox) causing a "leaf freckle" disorder are illustrated with photos of sugarcane leaves from plants grown with or without an application of calcium silicate slag. ...
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(University of Hawaii, 1972)Corn was grown across a gradient created with increasing doses of urea fertilizer. Comparison of a photograph of the corn row with a plot of the yield of fresh husk sweet corn revealed that disappearance of visual N ...
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(University of Hawaii, 1980)Soil water movement dynamics relative to soil properties is briefly outlined, and its relationship to movement of salts is discussed.
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Now showing items 16-25 of 25