It might,
therefore, be worth while for farmers to bury such scrap iron as
accumulates on the place below the reach of the cultivating tools. But
it would not be profitable to buy iron scraps at junk dealers' price,
nor would it be profitable to haul this material any long distance, even
if it could be had for nothing.
Kelp as a Fertilizer.
Are there ill effects from using sea kelp as a fertilizer for orange
trees?
There is no ill effect. Sea kelp has been dragged from the beaches at
low tide, partly dried and used, for centuries perhaps, as field
fertilizer for all sorts of crops in Europe, and for decades, to some
extent, on the New England coast. The dangerous substance in it would
seem to indicate that that is not present in sufficient quantity to
cause trouble. The great difficulty lies in securing and transporting
the substance, for less than its fertilizing equivalent can be obtained
by purchase of other more concentrated manures.
Applying Thomas Phosphate.
When is the best time to apply Thomas phosphate slag on orchard land?
As Thomas phosphate is slowly soluble, it can be applied at any time
during the rainy season without danger of loss, and for the same fact,
it should be applied early during the rainy season in order to be
available to trees during the following summer's growth. It ought,
perhaps, to be added that other forms of phosphate have largely
displaced slag during the last few years in the United States, other
forms being more available.
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