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The movement of potassium in irrigated and fertilized red sandy clay*
Published online by Cambridge University Press: 27 March 2009
Extract
The present investigation was intended to furnish information concerning:
(1) The movement of water-soluble and exchangeable potassium in the soil profile after successive fertilizer applications.
(2) The form of potassium—exchangeable, soluble, or non-exchangeable—into which added potassium fertilizer is converted in the soil.
(3) The effect of doubling the fertilizer ration on the absorption of potassium by the soil; and the effect of doubling the ration of irrigation water on the absorption and accumulation of potassium in the soil.
(4) The effect of frequent successive summer irrigation following fertilizer application on the distribution of the three forms of soil potassium.
(5) The effect of fertilization followed by irrigation on soil pH. value.
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- Research Article
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- Copyright © Cambridge University Press 1940
References
* The author wishes to express his grateful indebtedness to Dr J. Magasanik, Head of the Chemistry Division, and Dr S. Ravikovitch for help and advice in the preparation of the plan and in the execution of these experiments.
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