Influence of calcium chloride and ammonium thiosulfate on bermudagrass uptake of urea nitrogen

Bermudagrass response to surface-applied urea amended with calcium chloride or ammonium thiosulfate

“…This is consistent with laboratory and greenhouse 15 N studies that showed CaCl 2 was more effective at reducing N loss from the Lufkin soil than from the Ships soil (15,16). This is consistent with laboratory and greenhouse 15 N studies that showed CaCl 2 was more effective at reducing N loss from the Lufkin soil than from the Ships soil (15,16).…”

“…Results from a greenhouse study using 15 N suggested that ATS might increase bermudagrass uptake of native soil nitrogen, perhaps by stimulating soil microbial activity (16). Calcium chloride did not significantly increase dry matter yield or NUE of urea on the Ships soil.…”

“…ORDER REPRINTS studies (15,16) which showed greater NH 3 volatilization from Lufkin soil, most likely attributable to its low CEC (Table 1) (34). For the Ships soil, the NUE of urea equaled that of NH 4 NO 3 during both growing seasons.…”

Impact of different chloride salts and their concentrations on nitrification and trace gas emissions from a sandy soil under a controlled environment

“…MgCl 2 had no significant influence on the overall N 2 O-N emissions (Table 3); thus, MgCl 2 could decrease nitrification and increase denitrification. This supports the findings of Sloan and Anderson (1998) that MgCl 2 reduced the nitrification rate under field conditions. Chlorate is toxic to fungi, algae, invertebrates, fish and higher plants (Jiang et al, 2009;Stauber, 1998), but it is easily biodegraded by nitrate reductase in an organic-rich environment (Xu et al, 2011).…”