Influence of vegetable tannins on nitrification in soil
β Scribed by Joseph Basaraba
- Publisher
- Springer
- Year
- 1964
- Tongue
- English
- Weight
- 491 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0032-079X
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Nitrification was studied in a Leefield sand, sufficiently low in Mn to produce severe Mn deficiency in soybeans. The soil was treated with 100 ~g/g NH4+-N, 0, 10, 100 and 1000 ~tg/g Mn, and incubated at field capacity for six weeks at 30Β°C. Weekly determinations of ( N O 3 -+ N O 2 -) --N and NH4+-
A laboratory study was made of the influence of the sulpha drugs sulphathiazole, sulphanilamide, sulphapyridine, sulphaguanidine, sulphadiazineand sulphadiamidine on nitrification of urea applied to a sandy clay loam soil of pH 7.8. Sulphathiazole applied at 2 ppm inhibited the nitrification of urea