03087nam a2200481 a 450000100080000000500110000800800410001910000190006024500650007926000310014430000110017550001170018652018430030365000160214665000110216265000130217365000110218665000250219765000150222265000220223765000160225965000170227565000090229265300160230165300100231765300130232765300110234065300140235165300160236565300240238165300290240565300160243465300100245065300120246065300160247265300140248865300220250265300320252465300090255665300100256570000130257570000170258810041662014-09-17 1981 bl uuuu 00u1 u #d1 aRUSSELL, R. S. aThe soil / root system in relation to brazilian agriculture. aLondrina, PR : IAPARc1981 a372 p. aProceedings of the Symposium on the soil/root system, held at IAPAR, Londrina, Parana, Brazil, March 4-11, 1980. aForeword by Dr Raul Juliatto. Organization. Preface. Part one: Introductory reviews. Plant Root Systems - their function and interaction with the soil. R. Scott Russell. Characteristics of Brazilian soils related to root growth J. L. I. Demattê. Part two: Response of roots to soil conditions and cultivation. Managing root systems to reduce plant water deficits H. M. Taylor. Soil cultural practices related to root development. R. Q. Cannell. Soil compaction and root growth in Paraná. B. Kemper and R. Derpsch Soil physico-chemical conditions and the development of roots. K. Reichardt. Root distribution and nutrient uptake. P. B. Tinker. Downward movement of calcium and the improvement of subsoil rooting in Oxisols of Brazil. W. Espinoza and W. E. Lobato. Tentative approach to the wheat-root problem in Brazil. B. R. Bouglé. Part three Biological nitrogen fixation. Nitrogen Fixing Rhizocoenoses J. Dobereiner and H. De-Polli. Symbiotic dinitrogen fixation. C. Vidor. Part four: Soil biological aspects of root growth. Vesicular-arbuscular rnycorrhizas - their potential in phosphate nutrition in tropical regions. E. S. Lopes and J. o. Siqueira. The effect of rnycorrhizal inoculation on the phosphorus nutrition of cassava (Manihot esculenta Crantz). R. H. Howeler. The microbiology and biochemistry of the rhizosphere in relation to root disease of wheat and direct drilling in Brazil. A. D. Rovira Soil-borne pests and diseases. E. Lester. Part five: root study techniques. Methods for studying root growth. U. Köpke. Utilization of rhizotrons in root research. H. M. Taylor and S. T. Willatt. A rapid rnethod for estimating the distribution of roots in the field. R. Q. Cannell. Part six: conclusions and recommendations for Brasil. Conclusions and recommedations for Research: Panel session. Participants. Subject Index. aAgriculture aBrazil aCongress aGrowth aInocullation methods aManagement aNitrogen fixation aRoot system aRoot systems aSoil aAgricultura aÁgua aBiologia aBrasil aCongresso aCrescimento aEvapotranspiração aFixação de nitrogênio aNitrogênio aRaíz aRaízes aRhizosphere aRizosfera aSistema radicular aSistema radicular de planta aSolo aSolos1 aIGUE, K.1 aMEHTA, Y. R.