Changes in soil aggregate stability induced by amendment with humic substances

Soil Technology - Tập 2 - Trang 49-57 - 1989
J.S.C. Mbagwu1
1Department of Soil Science, University of Nigeria, Nsukka, Nigeria

Tài liệu tham khảo

Chaney, 1984, The influence of organic matter on aggregate stability of some British soils, J. of Soil Sci., 35, 223, 10.1111/j.1365-2389.1984.tb00278.x Chaney, 1986, Studies on aggregate stability of reformed soil aggregates, J. of Soil Sci., 37, 337, 10.1111/j.1365-2389.1986.tb00036.x Clement, 1975, Ley fertility experiments at Hurley. Soil Physical Conditions and Crop Production, M.A.F.F. Tech. Bull. No., 29, 388 Coote, 1983, Quantification of the effects of over 35 years of intensive cultivation on four soils, Can. J. of Soil Sci., 63, 1, 10.4141/cjss83-001 1967, 17 1967, 36 De Coninck, 1980, Major mechanism in the formation of the spodic horizon, Geoderma, 24, 101, 10.1016/0016-7061(80)90038-5 De Kimpe, 1982, Compaction and settling of Quebec soils in relation to their soil-water properties, Can. J. of Soil Sci., 62, 165, 10.4141/cjss82-018 Dormaar, 1983, Chemical properties of soil and water-stable aggregates after sixty-seven years of cropping to spring wheat, Plant and Soil, 75, 51, 10.1007/BF02178613 Greenland, 1971, Changes in the nitrogen status and physical conditions of soils under pasture, with special reference to the maintenance of fertility of Australian soils used in growing wheat, Soils and Fertilisers, 24, 237 Greenland, 1962, Organic materials which stabilize natural soil aggregates, J. Soil Sci. Soc. of Am., 26, 366, 10.2136/sssaj1962.03615995002600040018x Griffiths, 1972, Interaction between phenolic substances and microbial polysaccharides in soil aggregation, Plant and Soil, 23, 17, 10.1007/BF01349115 Hafez, 1974, Comparative changes in soil-physical properties induced by admixtures of manures from various domestic animals, Soil Sci., 118, 53, 10.1097/00010694-197407000-00010 Hamblin, 1977, Influence of organic matter on the physical properties of some East Anglian soils of high silt content, J. of Soil Sci., 28, 11, 10.1111/j.1365-2389.1977.tb02291.x Hamblin, 1977, Effect of organic constituents and complexed metal ions on aggregate stability of some East Anglian soils, J. of Soil Sci., 28, 410, 10.1111/j.1365-2389.1977.tb02248.x Laws, 1941, Measurement of fall-velocity of water-drops and raindrops, Trans. Am. Geophys. Un., 22, 709, 10.1029/TR022i003p00709 Mylonas, 1980, Effects of humic and fulvic acids on growth of tobacco. I. Root initiation and elongation, Plant and Soil, 54, 485, 10.1007/BF02181841 Piccolo, 1984, Caratterizzazione chimica e chimico-fisica di sostanze umiche. Uno studio sulla purificazione di un acido umico da torba, Ann., Ist. e Dif. Suolo, XV, 121 Piccolo, 1982, Infared spectra of Cu2+, Pb2+ and Ca2+ complexes of soil humic substances, Geoderma, 27, 195, 10.1016/0016-7061(82)90030-1 Schnitzer, 1982, Organic matter characterization, 581 Stevenson, 1982 Tisdall, 1982, Organic matter and water-stable aggregates in soils, J. of Soil Sci., 33, 141, 10.1111/j.1365-2389.1982.tb01755.x Vrba, 1976, Humic substances and plant mineral nutrition, Agrochémia, 16, 204 Vrba, 1978, Effect of humus concentrate on field crop yields, Agrochémia, 18, 322 Walkley, 1934, An examination of the degtjareff method for determining soil organic matter, and a proposed modification of the chromic acid titration method, Soil Sci., 37, 29, 10.1097/00010694-193401000-00003 Whittig, 1965, X-ray diffraction techniques for mineral identification and mineralogical composition, 671 Wustamidin, 1985, Aggregate breakdown in relation to raindrop energy, Soil Sci., 139, 239, 10.1097/00010694-198503000-00008