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Investigation of the clay material protection theory for non hydrolysable nitrogen in soil






Journal of the Science of Food & Agriculture 21(2): 57-61

Investigation of the clay material protection theory for non hydrolysable nitrogen in soil



Accession: 026850128



Related references

Freney, J.R.; Miller, R.J., 1970: Investigation of the clay mineral protection theory for non-hydrolysable nitrogen in soil. The crystal structure of uncompiexed clay minerals, such as montmorillonite, appeared to be destroyed by boiling 6 N HC1. Interlamellar-NH4+did not reduce the solubility of these clay minerals in boiling acid, nor was the NH4+ protected from solut...

Freney,. Jr.;, 1968: The extraction and partial characterization of non-hydrolysable nitrogen in soil

Ram, N.; Bhattacharya, A.K., 1953: Systematic investigation of soil organic matter with particular emphasis on the soil hydrolysates of Agra soil. I. Preliminary analysis of the hydrolysable organic matter in the soil. Oven-dry samples of a tropical soil were refluxed with HCl and HaSO4 of various strengths for six hours and the alcohol-soluble and alcohol insoluble portions of the hydrolysates were determined. Results indicated the presence of a N compound and...

Bhattacharya, Abani I., 1952: Systematic investigation of soil organic matter with particular emphasis on the soil hydrolysates of Agra Soil I Preliminary analysis of the hydrolysable organic matter in the soil. The preliminary results of the investigation of the organic and inorganic components of the soil are reported. A three kilogram sample of a plain border, tropical soil from Uttar Predish was refluxed in 3 liters of [image]/2 HC1 for six hours. Var...

Nagar, B.R.; Ram, X.; Bhattacharya, A.K., 1953: Systematic investigation of soil organic matter with particular emphasis on the soil hydrolysates of Agra soil. II. Preliminary analysis of the hydrolysable organic matter in the soil. Acid soil hydrolysates were fractionated with organic solvents. Glycollic acid and galactose occurred in some of the fractions. N, S and Cl occurred in various combinations in the various fractions.

Spurgeon, W.I.G.issom, P., H., 1963: Greenhouse and field measurements of nitrogen loss from a Sharkey clay soil as influenced by water-logged soil, nitrogen sources and placement of nitrogen

Harding, V.J.; Nicholson, T.F.; Jackson, S.H., 1936: Some properties of the reducing material in certain fractions of normal urines: (a) The effect of certain "type meals" on the "hydrolysable sugar" in urine. (b) Some further evidence as to the nature of the hydrolysable sugar in urine. Fasting human urine normally contains small amounts of glucose, galactose and traces of fructose or mannose together with a nonfermentable fraction which gives rise to these sugars on hydrolysis. Fat, fruit, starch or protein " type " me...

Hardixo, V.J.; Nicholson, T.F.; Jackson, S.H., 1936: Some properties of the reducing material in certain fractions of normal urines. 2. (a) The effect of certain type meals on the hydrolysable sugar in urine. (6) Some further evidence as to the nature of the hydrolysable sugar in urine. Fasting human urine normally contains small amounts of glucose, galactose and traces of fructose or mannose together with a nonfermentable fraction which gives rise to these sugars on hydrolysis. Fat, fruit, starch or protein " type " me...

Walunjkar, Wasudeo Gopalrao, 1957: Influence of soil type, energy material, soil moisture, source and rate of nitrogen and incubation temperature upon biological interchange of nitrogen in soil. Dissertation Absts 17(11): 2361-2362

Chatterjee, P.;;, 1981: Effect of added N nitrogen-serve on the distribution of different acid hydrolysable organic-N fractions in soil West Bengal