Many nutrients in soil exist as salts, soluble and available for plant uptake. But when salts accumulate in excess, crop growth can decline. With more frequent surface flooding in coastal fields and ...

Soils have a natural characteristic called the cation exchange capacity (CEC) that allows them to hold (and exchange) cations (e.g., Ca+2 or Na+). These cations are held tight enough on the CEC that ...

Saltwater intrusion from sea level rise and tidal flooding is increasing soil salinity risks in coastal farm fields (Figure 1). Soil salinity is related to the presence of soluble salts and cations ...

CUMMINGS, N.D. -- Problems with soil salinity didn't pop up overnight, and area farmers shouldn't expect fast or simple solutions, experts say. "You need an integrated approach," said Nathan Derby, ...

This phenomenon is most notable in the Western part of the country where major irrigation schemes are located. Out of a total area of 140,000 hectares in this part of Algeria, 30% consists of very ...