A root observation chamber for replicated use in a natural plant community M. C. RutherfordB. Curran OriginalPaper Pages: 123 - 129
Utilisation du15N2 pour estimer la fixation d'azote et sa repartition chez les legumineuses D. par MontangeF. R. WarembourgR. et Bardin OriginalPaper Pages: 131 - 139
Effects of nitrate nitrogen on growth, nodulation and distribution of14C-labelled photosynthates in cowpea Aziz A. KhanAttiya A. Khan OriginalPaper Pages: 141 - 147
Two ecologically distinct subspecies ofHypochaeris radicata L. Siebren J. Van De Dijk OriginalPaper Pages: 149 - 163
Alley cropping maize (Zea mays L.) and leucaena (Leucaena leucocephala Lam) in southern Nigeria B. T. KangG. F. WilsonL. Sipkens OriginalPaper Pages: 165 - 179
Fungistatic activity of different Indian soils againstFusarium udum Butler R. S. UpadhyayBharat Rai OriginalPaper Pages: 181 - 187
Seasonal variation in the nitrogenase activity of aPanicum maximum var.trichoglume pasture and identification of associated bacteria K. L. WeierI. C. MacraeJ. Whittle OriginalPaper Pages: 189 - 197
Effect of organic amendments on root rot of gram (Cicer arietinum L.) and their influence on plant growth Param Jit SinghPrabhjot NagraR. S. Mehrotra OriginalPaper Pages: 199 - 207
Studies on some fungi isolated from the rhizosphere of tomato plants and the consequent prospect for the control of Verticillium wilt B. K. Dutta OriginalPaper Pages: 209 - 216
Effect of the chemical and physical condition of the soil on Verticillium wilt of antirrhinum B. K. Dutta OriginalPaper Pages: 217 - 225
The effect of the osmotic potential and specific ion concentration of the nutrient solution on the uptake and reduction of nitrate by barley seedlings A. A. LuqueF. T. Bingham OriginalPaper Pages: 227 - 237
Relationship of inoculum ofVerticillium dahliae to disease in tomato plants S. VisserM. J. Hattingh OriginalPaper Pages: 239 - 249
Comparative study of growth-promoting capacity of some insecticides/nematicides J. CoosemansC. Van Assche OriginalPaper Pages: 251 - 259
Humic acid as a colloidal surfactant M. TschapekC. WasowskiR. M. Torres Sánchez OriginalPaper Pages: 261 - 271
Effects of water table depth and calcium perioxide application on cowpea (Vigna unguiculata) and soybean (Glycine max) L. T. OgunremiR. LalO. Babalola Short Communications Pages: 275 - 281
Ectomycorrhizae in coastal miombo woodland of Tanzania Peter HögbergJan-Erik Nylund Short Communications Pages: 283 - 289
Effect of zinc and phosphorus on the grain yield of corn (Zea mays L.) grown on a calcareous soil A. A. OrabiH. MashadiM. Morsy Short Communications Pages: 291 - 294
Intensity of mycorrhizal infection and response of onion at different stages of growth A. ManjunathD. J. Bagyaraj Short Communications Pages: 295 - 298
‘Chillum’ jar, a better technique for screening of rhizobia under summer conditions J. S. DahiyaA. L. Khurana Short Communications Pages: 299 - 302
Comparative phytotoxicity of nitrapyrin and ATC to several leguminous species M. MaftounJ. YasrebiM. Darbeheshti Short Communications Pages: 303 - 306