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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)
webWalan, P., Davidsson, S., Joha...Resources, Conservation and Re...2014-12-01
why phosphorus depletion is a big problem
webJames DykeThe Conversation2014-04-01
lower nutrient density from faster growth on more CO2
webHelena Bottemiller EvichPolitico2017-09-13
organic versus petrochemical fertilizer
webGrowAnything.com2015-12-04