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230 Suppressed Inventions and Other Discoveries
tilizers, being extremely soluble, are quickly washed from the soil by
rainfall and needs constant replacement. (Powdered rocks, on the other
hand, being less soluble, are not so easily washed from the soil, but
keep releasing minerals to it for many years).
The use of various pulverized rocks, [such] as granite, limestone, rock
phosphate, etc., in place of chemical fertilizers, will lead, claimed Hensel,
to permanent restoration of even poor soils to the balanced mineral content
of the best virgin soils; and the rock dust thus applied will remain year
after year and not be washed away by rains or irrigation water, as is the
case with highly soluble chemical fertilizers. This will be an economic
saving to the grower and enable him to sell foods at a lower price than
when he must spend large sums on chemical fertilizers. Also, since foods
thus mineralized are healthy and immune to plant diseases and insect pests
(as Hensel experimentally demonstrated), there is no need for the expense
and dangers of spraying.*
Foods raised by Hensel's followers, including many German gardeners
and farmers, who were enthusiastic in praise of his method, were found to
possess firmer tissue and better shipping and keeping qualities than those
raised with animal manure or chemicals. And most important among the
advantages of Hensel's agricultural discovery is that foods grown on mineralized
soil are higher both in mineral and vitamin content and so produce
better health and greater immunity to disease than those grown by
the use of chemical fertilizer sprays.
To kill insects by poisons applied to plants does not remove the cause
of their infestation, and poisons both the insect as well as the human consumer
of the sprayed plant. Only correct feeding of the soil, and consequently
of plants by trees, by proper methods of fertilization, thereby
keeping them well-nourished, vigorous and free from disease, will accomplish
this, for insects do not seem to attack healthy plants. It appears that
insects, like scavengers, attack chiefly unhealthy and demineralized
plants, not healthy ones. Dr. Charles Northern has performed experiments
in which he raised two tomato plants, entwined with each other, in different
pots, one being supplied with an abundance of trace minerals, derived
from colloidal phosphate, and the other just chemical fertilizer. The tomato
plant grown with chemical fertilizer alone was attacked by insects,
while the other one given trace minerals was not.
Hensel pointed out that animal manure and chemical fertilizers produce
a forced, unnaturally rapid growth of large-sized produce which fail to
acquire the minerals normally secured during a slower, longer development.
The result is the production of demineralized, unbalanced plants,
* Editor's Note: Rock phosphate from some sources contains a high level of the toxic mineral
cadmium . It's wise to purchase rock phosphate from a supplier who's able to provide an analysis.