Fertilizers and manures
Identifier:
ark:/99152/b43r0ps72
Permalink:
n2t.net/ark:/99152/b43r0ps72
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Notes:
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Broader:
No broader concepts
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Related:
Agricultural chemistry
Guano
Gypsum
Humus
Lime
Marl
Nitrates
Nitrification
Phosphate industry
Phosphates
Potash
Salt
Soil inoculation