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Supertopics:
Nutritional Problems
Plant Nutrient Defficiencies
Cross-References:
Topsoil Erosion / Depletion
Subtopics:
Phosphorus Depletion (Peak Phosphorus)
phosphorous exports will rely heavily on Morocco (pdf)
web
Walan, P., Davidsson, S., Joha...
Resources, Conservation and Re...
2014-12-01
why phosphorus depletion is a big problem
web
James Dyke
The Conversation
2014-04-01
lower nutrient density from faster growth on more CO2
web
Helena Bottemiller Evich
Politico
2017-09-13