Fertilizers and Environment: Proceedings of the International Symposium “Fertilizers and Environment”, held in Salamanca, Spain, 26–29, September, 1994

Front Matter....Pages i-xiv
Opening Speech....Pages 3-4
Heavy metal contaminants in inorganic and organic fertilizers....Pages 5-11
The present situation of fertilizer production and use in the world....Pages 13-18
Higher and better yields with less environmental pollution in Egypt through balanced fertilizer use....Pages 19-22
Fertigation for minimizing environmental pollution by fertilizers....Pages 23-25
The agronomical and physiological efficiency of nitrogen applied for arable crops in Poland....Pages 27-30
Nitrogen balances in long-term field experiments....Pages 31-37
The effect of fertilizers on maize yield under two tillage systems....Pages 39-41
Effect of some nutrients on yield and composition of sugar beet grown in highly calcareous soil....Pages 43-45
Nitrogen losses and yield of cauliflower....Pages 47-49
The effect of calcium fertilization and liming on the soil improvement and grain yield of winter wheat, corn and soybean....Pages 51-54
Use of fertilizers in Russia is a factor of soil productivity....Pages 55-61
The fertilizer productive action and soil nutrient balance determination....Pages 63-64
Principles of forest fertilisation — illustrated by New Zealand experience....Pages 65-73
The effect of Al and Mn on growth and mineral composition of Casuarina equisetifolia Forst....Pages 75-81
Nutrient cycling and sustainability....Pages 83-87
Effect of different rates of N-fertilizers on nodulation, nodule activities and growth of two field grown cvs. of soybean....Pages 89-93
Impact of vesicular arbuscular mycorrhizal fungi and Rhizobium on the growth and P, N and Fe uptake by faba-bean....Pages 95-100
Fertilisation balances in two agriculturally used water catchment areas....Pages 101-108
Tillage (plowing, subsoiling and no-tillage) effect on soil erodibility....Pages 109-113
Tillage (plowing, subsoiling and no-tillage) effects on soil erodibility....Pages 115-119
Effect of time and rate of nitrogen application on cotton....Pages 121-125
Stimulation of nodulation, nitrogen fixation and plant growth of faba bean by cobalt and copper additions....Pages 127-130
The role of inorganic fertilizers and their management practices....Pages 131-149
Suitability of North Carolina natural phosphate to Polish agriculture....Pages 151-154
Improvement of leguminous vegetables production in calcareous soil by addition of some acidifying materials....Pages 155-159
Nitrogen fertilization management in orchards to reconcile productivity and environmental aspects....Pages 161-170
Natural radioactivity in phosphate fertilizers....Pages 171-175
Coordinated phosphorus research within a network of six European institutions....Pages 177-183
Plant nutrient sulphur-a review of nutrient balance, environmental impact and fertilizers....Pages 185-193
Optimisation of nitrogen fertilisation....Pages 195-198
Plant biomass and fruit yield induction by Ti(IV) in P-stressed pepper crops....Pages 199-204
Improvement of the N fertilizer efficiency with dicyandiamide (dcd) in citrus trees....Pages 205-210
Effect of method of N-application and modified urea on N-15 recovery by rice....Pages 211-216
Effect of different fertilization systems on variation of soil fertility in long-term trials....Pages 217-221
Effect of soil tillage and N-fertilization on the distribution of nitrate in the soil profile in a long-term wheat-maize biculture....Pages 223-225
Improvement of the nitrogen uptake induced by Ti(IV) supply in nitrogen stressed pepper crops....Pages 227-231
Effect of slow-release N-fertilizers on yield and baking quality of winter wheat....Pages 233-236
Effect of nitrogen fertilization and plant population on the yield of soybeans....Pages 237-240
The effect of fertilizers on incidence of the fungus....Pages 241-244
Effect of irrigation systems and type of nitrogenous fertilizers in the grain yield and N-uptake on a maize crop....Pages 245-247
Environmental advantages and disadvantages of different sources of nitrogen in agricultural systems....Pages 249-251
Organic manure management and efficiency: Role of organic fertilizers and their management practices....Pages 253-257
Soil effects due to sewage sludge application in agriculture....Pages 259-265
Sub-surface injection of liquid waste....Pages 267-274
Reducing N losses (NH 3 , N 2 O, N 2 ) and immobilization from slurry through optimized application techniques....Pages 275-281
Agricultural use of sewage sludge and its regulation....Pages 283-289
Cotton fertilization with composts of (sugarbeet) vinasse and agricultural residues....Pages 291-295
The effect of a special organic amendment on the development of pepper plants cultivated in a soil infested with Verticillium dahliae ....Pages 297-300
Evaluation of easily oxidizable organic matter in greenhouse soils through a biological technique....Pages 301-303
Experimental study on agricultural recycling of LD slag....Pages 305-307
Simultaneous use of pulp-mill sludge and poultry manure on rye-grass ( Lolium multiflorum Lam.) fertilization....Pages 309-316
Leachates from a vermicomposting process....Pages 317-321
Tobacco-waste obtained from cigarette factories to be used as organic fertilizer....Pages 323-326
Response of barley to sewage sludge manuring and irrigation in calcareous soils....Pages 327-330
Study on nitrogen mineralization in municipal solid waste compost using electroultrafiltration....Pages 331-336
Stabilization of sludges from a dairy processing plant using vermicomposting....Pages 337-340
Cattle-slurry — 15 N turnover in a long-term lysimeter trial....Pages 341-343
An evaluation of three municipal solid wastes composts....Pages 345-350
Effect of agricultural practices on the nitrogen losses to the environment....Pages 351-353
Control of nitrate pollution by application of controlled release fertilizer (CRF), compost and an optimized irrigation system....Pages 355-361
Nitrogen losses by denitrification and leaching in grassland....Pages 363-367
Considerations on main factors which take part in nitrate contamination of ground water in Spain with relationship to other EU countries....Pages 369-373
Phosphate enrichment in the sandy loam soils of West-Flanders, Belgium....Pages 375-379
Nitrogen and phosphorus losses from soils treated with suspension fertilizers by effect of water draining....Pages 381-387
Preliminary study of the effect of suspended particulate matter in the atmosphere on solar radiation in Salamanca (Spain)....Pages 389-391
Dynamics of nutrient transport in a small river of an agricultural water catchment in Northern Germany....Pages 393-395
Nitrogen leaching in a maize field trial of Lower Mondego Valley (Coimbra)-lysimeters studies....Pages 397-400
Aluminium phytotoxicity....Pages 401-404
Towards zero accumulation of heavy metals in soils....Pages 405-411
Phytotoxicity of heavy metals....Pages 413-421
Heavy metal transfer in the food chain to humans....Pages 423-430
Dilution effect of plant biomass on plant cadmium concentration as induced by application of phosphate fertilizers....Pages 431-436
Thallium concentration in soils and crops and critical values with respect to food chain....Pages 437-442
Soil research on heavy metal pollution in a Belgian risk-bearing region with intensive agriculture....Pages 443-448
Effect of pyrite residue amendment on sulphur availability in a calcareous soil cropped with sown pasture....Pages 449-452
Estimating the flux of nitrate in a sandy loam soil under corn....Pages 453-455
Long term effects of wheat straw incorporation compared with burning on wheat yield and soil properties....Pages 457-461
Loads on soil due to agricultural activities in Hungary....Pages 463-465
The effects of pulp-mill sludge on leaching of mineral nitrogen....Pages 467-469
Alpechín as fertilizer....Pages 471-475
Effect of cadmium concentration in the nutrient solution on lettuce growth....Pages 477-480
As and Se in soils and plants from abandoned mining areas of the Salamanca province, Spain....Pages 481-483
Incidence of heavy metals in the application of inorganic fertilizers to rice farming soils (Valencia, Spain)....Pages 485-489
Effect of fertilization and irrigation on the nickel content of peas and soybeans....Pages 491-493
The effect of N and P application on the Mn, Cu and Zn content of the winter wheat....Pages 495-498
Effect of cadmium on the distribution of micronutrients in Lactuca spp., maize and pea plants....Pages 499-502
Irrigation with urban wastewater....Pages 503-508
City refuse compost as a source of micronutrients for plants....Pages 509-515
Agrochemical and technological characteristic features of sewage sludges applications in Russia....Pages 517-521
Residual effects of sugar beet vinasse on plant growth....Pages 523-526
Agricultural use of city refuse compost....Pages 527-531
Accumulation and transformation of heavy metals (HM) within the ‘soil-plants’ system in prolonged agrochemical trials....Pages 533-537
Cadmium in inorganic fertilizers....Pages 539-540
Lead uptake and distribution in legume species grown on lead-enriched soils....Pages 541-545
Effect of different fertilization systems on soil contamination with heavy metals in long-term trials....Pages 547-550
EC policy regarding pollution of agricultural origin: the Nitrates Directive....Pages 551-553
Putting the concept of environmentally balanced fertilizer recommendations into practice on the farm....Pages 555-560
Code of best agricultural practices....Pages 561-566
Code of Good Agricultural Practice and water pollution....Pages 567-567
Back Matter....Pages 569-572
....Pages 573-585