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Fertility And Soils
2 years, 10 months ago
from Fertility And Soils
"Field soil type and conditions are not uniform across every acre. Different soil, topography and pH means that, to achieve maximum yield, you’ll need to cater to each acre differently."
http://www.agweb.com/article/create-zones-for-fine-tuned-field-management-naa-sonja-begemann/