Results 241 to 250 of about 2,595,971 (403)

Phosphorus fractions status of representative agricultural fields in North Carolina

open access: yesJournal of Environmental Quality, EarlyView.
Abstract Most agricultural soils in North Carolina have high levels of available phosphorus (P), yet little is known about other accumulated P fractions and their associated environmental risks. This study characterized soil P fractions through sequential chemical fractionation of 391 samples (0–10 cm and 10–20 cm) collected from 57 counties across ...
Andria Paula Lima   +3 more
wiley   +1 more source

Soil Fertility Management Choice in the Maize-Based Smallholder Farming System in Malawi [PDF]

open access: yes
The paper analyses the factors that affect smallholder farmers choice of soil fertility management options in Malawi using a two-stage maximum likelihood estimation procedure.
Frohberg, Klaus   +2 more
core   +1 more source

Can conservation drainage practices contribute to climate change mitigation?

open access: yesJournal of Environmental Quality, EarlyView.
Abstract Conservation drainage practices can mitigate water quality impacts of subsurface drainage, but their potential for climate change mitigation remains poorly understood. We summarized processes by which tile‐drained croplands impact climate and assessed potential of conservation drainage practices to alter emissions of the greenhouse gases ...
Steven J. Hall   +4 more
wiley   +1 more source

12. Enhancing Soil Fertility [PDF]

open access: yes, 2018
Georgina Key   +4 more
openaire   +5 more sources

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