Cycling of nitrogen in modern agricultural systems Thomas RosswallKeith Paustian Cycling of Nitrogen in Soil-Plant Systems Pages: 3 - 21
Nitrogen relationships in intensively managed temperate grasslands P. Roger BallJ. C. Ryden Cycling of Nitrogen in Soil-Plant Systems Pages: 23 - 33
Components of the nitrogen cycle measured for cropped and grassland soil-plant systems J. H. MacduffR. E. White Cycling of Nitrogen in Soil-Plant Systems Pages: 35 - 47
The uptake of soil and fertilizer-nitrogen by barley growing under Scottish climatic conditions K. A. SmithAnn E. ElmesM. F. Franklin Cycling of Nitrogen in Soil-Plant Systems Pages: 49 - 57
Leaching losses of nitrogen from a clay soil under grass and cereal crops in Finland Antti Jaakkola Cycling of Nitrogen in Soil-Plant Systems Pages: 59 - 66
Tillage effects on nitrogen uptake by maize from fine textured soils in the northwestern Corn Belt, USA Alan Olness Cycling of Nitrogen in Soil-Plant Systems Pages: 67 - 73
The role of microorganisms in mediating and facilitating the uptake of plant nutrients from soil P. B. Tinker Section 2: Microbial and Animal Effects on Soil Fertility Pages: 77 - 91
Earthworms and soil fertility J. K. SyersJ. A. Springett Section 2: Microbial and Animal Effects on Soil Fertility Pages: 93 - 104
Effect of lime, phosphorus and mycorrhizal fungi on growth, nodulation and nitrogen fixation by white clover (Trifolium repens) grown in UK hill soils Peter NewbouldAnne Rangeley Section 2: Microbial and Animal Effects on Soil Fertility Pages: 105 - 114
Effect of liming on spore germination, germ tube growth and root colonization by vesicular-arbuscular mycorrhizal fungi J. O. SiqueiraD. H. HubbellA. W. Mahmud Section 2: Microbial and Animal Effects on Soil Fertility Pages: 115 - 124
Biological and biochemical analysis of soils John Saville Waid Section 3: Measurements of Microbial Populations and Biomass: Their Roles in Soil Processes Pages: 127 - 137
Extractable N and P in relation to microbial biomass in UK acid organic soils B. L. WilliamsG. P. Sparling Section 3: Measurements of Microbial Populations and Biomass: Their Roles in Soil Processes Pages: 139 - 148
Mineralization dynamics in fallow dryland wheat plots, Colorado E. T. ElliottK. HortonC. V. Cole Section 3: Measurements of Microbial Populations and Biomass: Their Roles in Soil Processes Pages: 149 - 155
Dynamics of soil microbial biomass N under zero and shallow tillage for spring wheat, using15N urea M. R. CarterD. A. Rennie Section 3: Measurements of Microbial Populations and Biomass: Their Roles in Soil Processes Pages: 157 - 164
Mineralization of C and N from microbial biomass in paddy soil T. Marumoto Section 3: Measurements of Microbial Populations and Biomass: Their Roles in Soil Processes Pages: 165 - 173
Influence of plant roots on C and P metabolism in soil H. M. HelalD. R. Sauerbeck Section 3: Measurements of Microbial Populations and Biomass: Their Roles in Soil Processes Pages: 175 - 182
Response of soil microflora to moorland reclamation for improved agriculture E. Maltby Section 3: Measurements of Microbial Populations and Biomass: Their Roles in Soil Processes Pages: 183 - 193
Anaerobic processes in soil J. M. TiedjeA. J. SexstoneN. P. Revsbech Section 4: Anaerobic Processes in Soils and Gaseous Losses of Nitrogen Pages: 197 - 212
Denitrification in field soils P. ColbournR. J. Dowdell Section 4: Anaerobic Processes in Soils and Gaseous Losses of Nitrogen Pages: 213 - 226
Total denitrification and the ratio between N2O and N2 during the growth of spring barley Finn P. Vinther Section 4: Anaerobic Processes in Soils and Gaseous Losses of Nitrogen Pages: 227 - 232
Nitrite: a key compound in N loss processes under acid conditions? O. Van CleemputL. Baert Section 4: Anaerobic Processes in Soils and Gaseous Losses of Nitrogen Pages: 233 - 241
The biological transformation of P in soil K. R. Tate Section 5: Dynamics and Models of Organic Carbon, Nitrogen and Phosphorus Transformations in Cultivated Soils Pages: 245 - 256
Modelling C and N turnover through the microbial biomass in soil J. A. Van VeenJ. N. LaddM. J. Frissel Section 5: Dynamics and Models of Organic Carbon, Nitrogen and Phosphorus Transformations in Cultivated Soils Pages: 257 - 274
Dynamics of organic matter in soils E. A. Paul Section 5: Dynamics and Models of Organic Carbon, Nitrogen and Phosphorus Transformations in Cultivated Soils Pages: 275 - 285
Concepts of soil organic matter transformations in relation to organo-mineral particle size fractions H. TiessenJ. W. B. StewartH. W. Hunt Section 5: Dynamics and Models of Organic Carbon, Nitrogen and Phosphorus Transformations in Cultivated Soils Pages: 287 - 295
A simple method for calculating decomposition and accumulation of ‘young’ soil organic matter B. H. Janssen Section 5: Dynamics and Models of Organic Carbon, Nitrogen and Phosphorus Transformations in Cultivated Soils Pages: 297 - 304
Interactions between biological processes, cultivation and soil structure J. M. Lynch Section 6: Interaction Effects of Organisms, Organic Matter and Management on Soil Structure Pages: 307 - 318
Soil organic matter and structural stability: mechanisms and implications for management J. M. Oades Section 6: Interaction Effects of Organisms, Organic Matter and Management on Soil Structure Pages: 319 - 337
Influence of soil type, crop and air drying on residual carbohydrate content and aggregate stability after treatment with periodate and tetraborate M. V. CheshireG. P. SparlingC. M. Mundie Section 6: Interaction Effects of Organisms, Organic Matter and Management on Soil Structure Pages: 339 - 347
Changes in soil structure and biological activity on some meadow hay plots at Cockle Park, Northumberland R. S. ShielD. L. Rimmer Section 6: Interaction Effects of Organisms, Organic Matter and Management on Soil Structure Pages: 349 - 356
The effects on topsoil of long-term storage in stockpiles A. W. Abdul-KareemS. G. McRae Section 6: Interaction Effects of Organisms, Organic Matter and Management on Soil Structure Pages: 357 - 363
Effects of pesticides and heavy metals on biological processes in soil Klaus H. Domsch Section 7: Effects of Noxious Material on Biological Processes in Soils Pages: 367 - 378
Microbial populations in trifluralin-treated soil B. M. OlsonR. B. McKercherJ. J. Germida Section 7: Effects of Noxious Material on Biological Processes in Soils Pages: 379 - 387
Chemical disinfestation and metabolic integrity of soil H. G. Van FaassenG. Lebbink Section 7: Effects of Noxious Material on Biological Processes in Soils Pages: 389 - 400