Effect of certain soil conditions on nodulation ofAcacia spp. H. A. Habish OriginalPaper Pages: 1 - 6
The effect of chelating agents on the absorption of radium by plants K. B. GunnK. B. Mistry OriginalPaper Pages: 7 - 16
Nitrogen fixation in submerged soilsand-energy material media and the aerobic-anaerobic interface F. R. MagdoffD. R. Bouldin OriginalPaper Pages: 49 - 61
Foliar sprays of growth regulators and rhizosphere effect inCajanus cajan Millsp. N. Sethunathan OriginalPaper Pages: 62 - 70
Foliar sprays of growth regulators and rhizosphere effect inCajanus cajan Millsp. N. Sethunathan OriginalPaper Pages: 71 - 80
The influence of Acacia senegal on the fertility of a sand sheet (‘goz’) soil in the central Sudan P. A. GerakisC. Z. Tsangarakis OriginalPaper Pages: 81 - 86
Effect of temperature associated with levels of bulk density on rice seedling emergence T. N. ChaudharyB. P. Ghildyal OriginalPaper Pages: 87 - 90
The presence of aflatoxin in kernels from five years groundnut crops and ofAspergillus flavus isolates from kernels and soils A. Z. Joffe OriginalPaper Pages: 91 - 96
Volatilization of ammonia from submerged tropical soils I. C. MacraeRosabel Ancajas OriginalPaper Pages: 97 - 103
Contribution of organic carbon and clay to cation exchange capacity in a chronosequence of sandy soils J. K. SyersA. S. CampbellT. W. Walker OriginalPaper Pages: 104 - 112
Relationship between cation exchange capacity of roots and mineral composition of plant tops as influenced by age V. B. ManeN. K. SavantA. K. Shingte OriginalPaper Pages: 113 - 119
A study of soil nitrogen organic fractions and correlation with yield response of Sudan-sorghum hybrid grass on Quebec soils S. KadirgamathaiyahA. F. Mackenzie OriginalPaper Pages: 120 - 128
Some effects of combined nitrogen on the nodule symbioses of Casuarina and Ceanothus C. Rodriguez-BarruecoAnne H. MackintoshG. Bond OriginalPaper Pages: 129 - 139
Studies on the survival of corn stalk rot bacteria M. RangarajanB. P. Chakravarti OriginalPaper Pages: 140 - 144
Chromatographic transport through soils M. J. FrisselP. PoelstraP. Reiniger OriginalPaper Pages: 161 - 176
Die Aufnahme von Schwefeldioxyd (S35O2) aus der Luft N. FallerK. HerwigH. Kühn OriginalPaper Pages: 177 - 191
Evaluation of effectiveness in mutant strains of rhizobium by acetylene reduction relative to other criteria of N2 fixation E. A. SchwinghamerH. J. EvansM. D. Dawson OriginalPaper Pages: 192 - 212
Degradation and accumulation of inhibitory substances fromJuniperus osteosperma (Torr.) Little Donald A. Jameson OriginalPaper Pages: 213 - 224
Use of partially acidulated rock phosphate as a possible means of minimising phosphate fixation in acid soils N. PandaU. K. Misra OriginalPaper Pages: 225 - 234
The role of tube diameter and surface characteristics in the tolerance of roots to toxic solutions Earl AlbregtsA. J. Ohlrogge OriginalPaper Pages: 235 - 243
Effect of heating and steam sterilization on soil manganese Mahendra SinghA. N. Pathak Short Communication Pages: 244 - 248
Influence of moisture and aeration on oxygen uptakes in Warburg respiratory experiments with litter and soil D. J. RossI. W. Boyd Short Communication Pages: 251 - 256
Effect of low temperature pre-treatment on infection of clover root hairs by Rhizobium P. S. NutmanR. J. RoughleyN. S. Subba-Rao Short Communication Pages: 257 - 259
Counting of p32 in plant tissues using the Cerenkov effect T. AwerbuchY. Avnimelech Short Communication Pages: 260 - 264
An appraisal of nitrogen fertilisation practices for paddy, wheat, sugarcane, and potato S. C. Srivastava OriginalPaper Pages: 265 - 271
Studies on the biodegradation of parathion B. M. ZuckermanK. DeubertH. Gunner OriginalPaper Pages: 273 - 281
Die Aufnahme von Schwefeldioxyd (S35O2) aus der Luft N. FallerK. HerwigH. Kühn OriginalPaper Pages: 283 - 295
Effect of dichloro diphenyl trichloro-ethane (DDT) on symbiosis ofRhizobium sp. withPhaseolus aureus (green gram) R. P. PareekA. C. Gaur OriginalPaper Pages: 297 - 304
Fungi isolated from Sclerotia ofSclerotium cepivorum and from soil and their effects upon the pathogen A. H. MoubasherM. A. ElnaghyS. E. Megala OriginalPaper Pages: 305 - 312
Humification of straw at different nitrogen levels followed by acriflavine adsorption and light absorption F. W. Pauli OriginalPaper Pages: 313 - 324
Effect of dieldrin and lindane on the growth and nodulation ofVicia faba K. G. SelimS. A. Z. MahmoudMehreshan T. El-Mokadem OriginalPaper Pages: 325 - 329
Gel formation on nodal root surfaces ofZea mays Robert A. FloydA. J. Ohlrogge OriginalPaper Pages: 331 - 343
A comparison of the growth and nutrition ofPicea abies (L.) karst. andPinus resinosa ait. On a K-deficient site subjected to K fertilization Raymond H. FornesJohn V. BerglundAlbert L. Leaf OriginalPaper Pages: 345 - 360
The mineralization of organic nitrogen in dry soil aggregates of different sizes E. T. CraswellP. G. SaffignaS. A. Waring OriginalPaper Pages: 383 - 392
The composition of the leachate through cropped and uncropped soils in lysimeters compared with that of the rain A. J. LowE. R. Armitage OriginalPaper Pages: 393 - 411
Cation uptake from bentonite suspensions by excised barley roots Fuad H. KurdiKenneth L. Babcock OriginalPaper Pages: 413 - 424
Transformations of fertilizer nitrogen in soil G. StanfordJ. O. LeggF. W. Chichester OriginalPaper Pages: 425 - 435
Factors effecting the toxicity of nitrite nitrogen to tomatoes R. H. PhippsI. S. Cornforth OriginalPaper Pages: 457 - 466
Early nutrition ofEchinops spinosissimus on white-dune and desert soils M. A. HammudaZeinab Y. Bakr Short Communication Pages: 467 - 472
Étude chromatographique des acides phénoliques et des phénols obtenus par la fusion alcaline des acides humiques L. BatisticJ. Mayaudon Short Communication Pages: 473 - 477
The distribution of sulphur in the mud of Lake Victoria C. BloomfieldG. BrownJ. A. Catt Short Communication Pages: 479 - 481
Enhancement of trace-element content of cabbages grown in urban areas D. PurvesE. Jean Mackenzie Short Communication Pages: 483 - 485
Beitrag zur Bestimmung des pflanzenverfügbaren Molybdäns in Böden von Unterglasflächen P. Laske Short Communication Pages: 487 - 491
Relative salt tolerance of Egyptian cotton varieties during germination and early seedlings development Nabih I. AshourAbd-El'Hamid M. Abd-El'Hamid Short Communication Pages: 493 - 495