Studies on acid gradient elution of soil phosphates L. L. SomaniJ. S. ChoudhariS. N. Saxena OriginalPaper Pages: 223 - 232
Role of date of seeding, soil moisture, temperature and pH in the incidence of downy mildew of Sorghum K. A. Balasubramanian OriginalPaper Pages: 233 - 241
Mathematical models, based on diffusion equations, to describe root systems of isolated plants, row crops, and swards E. R. PageA. Gerwitz OriginalPaper Pages: 243 - 254
Effects and persistence of baygon (Propoxur) and temik (Aldicarb) insecticides in soil D. W. KuseskeB. R. FunkeJ. T. Schulz OriginalPaper Pages: 255 - 269
Potassium fertilization of chrysanthemums using a constant-drip fertilizer solution Edmund Jay HolcombJohn W. White OriginalPaper Pages: 271 - 278
Studies on the nodulation and nitrogen fixation by infected leguminous plants R. SinghT. P. Mall OriginalPaper Pages: 279 - 286
Studies on availability of fixed NH4 + to nitrifying organisms G. S. N. RajuAsit K. Mukhopadhyay OriginalPaper Pages: 287 - 291
Mesure au champ du phosphore disponible āLā J. C. FardeauE. Triboi OriginalPaper Pages: 293 - 302
The status of manganese in the soil and rice plants under different water systems and fertilizer applications M. F. GhoneimM. H. El-GibalyH. G. Hassanin OriginalPaper Pages: 313 - 324
The interaction of nitrogen and phosphorus on the growth, nutrient status and nodulation of Stylosanthes humilis H.B.K. (townsville stylo) C. T. GatesJ. R. Wilson OriginalPaper Pages: 325 - 333
Transformation of S35-labelled sulphate in aerobic and flooded soil conditions M. S. SachdevPamila Chhabra OriginalPaper Pages: 335 - 341
Seasonal ionic fluctuations and annual growth rates in stands of Pinus silvestris L. and Picea abies Karst. (L.) Lars Christersson OriginalPaper Pages: 343 - 350
Soil temperature and soil aeration effects on protein and free amino acid concentrations in wheat grain C. K. LabanauskasR. J. LuxmooreL. H. Stolzy OriginalPaper Pages: 351 - 363
Exchange acidity of wheat and pea roots in salt solutions Stig LedinLambert Wiklander OriginalPaper Pages: 403 - 413
An experiment on reproduction from seed within existing populations of Chamaenerion angustifolium (L.) Scop. J. van AndelJ. Rozema Short Communication Pages: 415 - 419
Mineral salt absorption in saline rice variety, Kala Rata B. A. HegdeG. V. Joshi Short Communication Pages: 421 - 424
Organic acid spectrum of root exudates of wheat in relation to its root rot disease Bushan L. JalaliD. Suryanarayana Short Communication Pages: 425 - 427