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Showing items 1 through 9 of 17.LandLibrary Resource
05 February 1952
Puerto Rico
medical care and necessary social services.
LandLibrary Resource
30 December 1952
In some crops the quantity of absorbed salts proved to be strongly influenced by concentration in substrate, in other crops much less so. Ca proportion of total absorbed cations limited absorption, whereas salt uptake was favoured by higher temperatures.
LandLibrary Resource
30 December 1952
Netherlands
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