Sentences with phrase «increase nitrogen availability»

Positive: Increased organic matter if increased productivity; increased nitrogen availability

Positive: Increased organic matter if increased productivity; increased nitrogen availability Negative: Decreased organic matter (with increased decomposition rates); decreased mycorrhizal support; increased soil acidity; increased release, or decreased removal, of atmospheric CO2

Not exact matches

We are at a remarkable juncture where (i) the price of oil and nitrogen - based fertilizers is expected to increase, (ii) the long term availability of phosphorus for fertilizers is in doubt, (iii) the erosion of soil is reducing yields, and (iv) climate change brings extreme weather that impacts crop survival and productivity.

These include CO2 concentrations (which generally mediate a positive influence), temperature increases (beneficial to some crops in some regions and harmful elsewhere), increases in droughts, flash floods, weeds, and insect infestations (all harmful), as well as drains on the availability of soil nitrogen needed for the protein content of food crops.