Flow of microbially fixed nitrogen in a model ecosystem S. A. VisserM. WitkampR. C. Dahlman OriginalPaper Pages: 1 - 8
The effect of organic mulches on yields and phosphorus utilization by plants in acid soils C. O. Othieno OriginalPaper Pages: 17 - 32
The effect of some pesticides in conjunction with nitrogen sources on growth and carbohydrate and nitrogen constituents of sugarcane during formative phase S. P. JaiswalN. K. SainiS. K. Sharma OriginalPaper Pages: 33 - 40
Effect of calcium on transport of cations to the xylem exudate of tobacco A. WallaceA. M. Abou-ZamzamJ. W. Cha OriginalPaper Pages: 41 - 48
Uptake of phosphorus and potassium in relation to root growth and root density E. I. NewmanRosalie E. Andrews OriginalPaper Pages: 49 - 69
Effect of gypsum and calcium carbonate on plant yield and chemical composition and calcium availability in a non-saline sodic soil S. R. PooniaD. R. Bhumbla OriginalPaper Pages: 71 - 80
The effect of soil moisture tension and nitrogen supply on nitrate reduction and accumulation in wheat seedlings Zvi Plaut OriginalPaper Pages: 81 - 94
Mineral nutrition and the reaction of Lolium perenne to defoliation Arthur Troughton OriginalPaper Pages: 95 - 111
Incorporation of P32 in phosphate esters of the sugar cane plant and the effect of Si and Al on the distribution of these esters Y. Wong You CheongP. Y. Chan OriginalPaper Pages: 113 - 123
Growth and nutrient uptake of coniferous seedlings: Comparison among 10 species at various seedbed densities Norman A. RichardsAlbert L. LeafDonald H. Bickelhaupt OriginalPaper Pages: 125 - 143
The growth of root systems — A numerical computer simulation model D. R. Lungley OriginalPaper Pages: 145 - 159
Effect of temperature on nitrogen transformation in Hawaiian soils K. ThiagalingamY. Kanehiro OriginalPaper Pages: 177 - 189
Acetylene reduction assay for nitrogen fixation under field conditions in remote areas R. C. StutzL. C. Bliss Short Communication Pages: 209 - 213
Decomposition in presence of nitrate of amino acids, especially tyrosine, during acid hydrolysis of plant material and standard amino acid solution W. H. EppendorferS. W. Bille Short Communication Pages: 215 - 218
Diagnosis and measurement of multiple soil deficiencies by a subtractive technique K. R. MiddletonM. R. J. Toxopeus Short Communication Pages: 219 - 226
Sucrose and application of Rhizobium on seed A. K. VarmaN. S. Subba Rao Short Communication Pages: 227 - 230