Fertilizer applications and the organic matter status in the agege experimental field in Nigeria Igbo Unamba-Oparah OriginalPaper Pages: 1 - 14
The influence of some chlorinated hydrocarbon insecticides on the mineralization of N fertilizers and plant growth L. M. J. VerstraetenK. Vlassak OriginalPaper Pages: 15 - 28
Nutrient uptake by paddy during the main three stages of growth K. M. RamanathanK. K. Krishnamoorthy OriginalPaper Pages: 29 - 33
Cycle interne de l'azote et du soufre dans les horizons humiferes forestiers des sols bruns acides H. J. Van PraagN. Brigode OriginalPaper Pages: 35 - 48
Cycle interne de l'azote et du soufre dans les horizons humiferes forestiers des sols bruns acides H. J. Van PraagN. Brigode OriginalPaper Pages: 49 - 59
Cycle interne de l'azote et du soufre dans les horizons humiferes forestiers des sols bruns acides H. J. Van Praag OriginalPaper Pages: 61 - 69
Estimation of the distribution of living roots of plants under field conditions F. B. EllisB. T. Barnes OriginalPaper Pages: 81 - 91
Methods of measuring available nutrients in West Indian soils D. WalmsleyI. S. Cornforth OriginalPaper Pages: 93 - 101
The toxicity of peach tree roots Daniel W. IsraelJoel E. GiddensWilliam W. Powell OriginalPaper Pages: 103 - 112
Soil nitrogen availability evaluations based on nitrogen mineralization potentials of soils and uptake of labeled and unlabeled nitrogen by plants George StanfordJ. O. LeggS. J. Smith OriginalPaper Pages: 113 - 124
Kinetics of zinc absorption by excised roots of two sugarcane clones John E. Bowen OriginalPaper Pages: 125 - 129
Phosphorus and micronutrient metal uptake by some tree species as affected by phosphate and lime applied to an acid sandy soil K. W. Smilde OriginalPaper Pages: 131 - 148
The use of soil extractants to estimate plant-available molybdenum and selenium in potentially toxic soils Carolyn WilliamsI. Thornton OriginalPaper Pages: 149 - 159
Influence of organic matter on the availability of certain elements to barley seedlings grown by a modified neubauer method H. NishitaR. M. HaugG. V. Alexander OriginalPaper Pages: 161 - 176
Effect of soil temperature on direction of corn root growth J. J. OnderdonkJ. W. Ketcheson OriginalPaper Pages: 177 - 186
Pythium seed decay and stem rot of cowpea (Vigna sinensis [Linn.] Savi) in southern Niǵria P. E. Onuorah Short Communication Pages: 187 - 191
Conversion of DDT to DDD in flooded soil Z. H. BhuiyaD. F. Rothwell Short Communication Pages: 193 - 196
Effect of root exudates and extracts on rhizosphere fungi Shanker Bhat Sullia Short Communication Pages: 197 - 200
Evolution of the carbon and nitrogen contents in incubated litters J. RemacleCh. Vanderhoven Short Communication Pages: 201 - 203
Rapid determination of free proline for water-stress studies L. S. BatesR. P. WaldrenI. D. Teare Short Communication Pages: 205 - 207
Changes in rhizosphere populations of selected physiological groups of bacteria related to substitution of specific pairs of chromosomes in spring wheat J. L. Neal Jr.Ruby I. LarsonT. G. Atkinson Short Communication Pages: 209 - 212