In an article, author is Stevens, Mary C., once mentioned the application of 2623-87-2, Quality Control of 4-Bromobutanoic acid, Name is 4-Bromobutanoic acid, molecular formula is C4H7BrO2, molecular weight is 167.0012, MDL number is MFCD00002817, category is bromides-buliding-blocks. Now introduce a scientific discovery about this category.
Deposition and Transformation of Nitrogen after Soil Fumigation with Ethanedinitrile
A novel methyl bromide alternative, ethanedinitrile (EDN), has been reported to be efficacious against soil-borne pathogens, weeds, and plant-parasitic nematodes. Degradation products of EDN include NH4+ and NH3, but it is currently unknown at what quantities these degradation products are being released into the soil at a given use rate of EDN. To address this issue, field studies were performed using the raised-bed plasticulture system. Deposition of NH4+ and NO3- in top 0-15-, 15-30-, and 30-45-cm soils were evaluated 3 weeks after fumigation with EDN applied at 336, 448, and 560 kg.ha(-1). Change of pH and transformation of NH4+ to NO3- in top 0-15- and 15-30-cm soils were tracked weekly after fumigation with EDN at 448 kg.ha(-1) for 10 weeks. This study found that fumigation with EDN significantly increased soil pH of the top 0-15-cm soil and soil NH4+ in top 0-15- and 15-30-cm soils, but soil NO3- was unaffected. Nitrification process in top 0-15-cm soil was inhibited by fumigation with EDN for at least 7 weeks. These results indicate that N deposited by fumigation with EDN could be an important preplant N source for crop production, and the inhibition of nitrification could help mitigate nitrate leaching. This study provides helpful information for quantification of N deposited from fumigation with EDN.
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