Nitrogen metabolism of young barley plants as affected by NaCl-salinity and potassium H. M. HelalK. Mengel OriginalPaper Pages: 457 - 462
Effect of the herbicides trifluralin, dinitramine and fluometuron on rhizoctonia disease in cotton M. El-KhademM. ZahranM. K. El-Kazzaz OriginalPaper Pages: 463 - 470
Nitrogen accumulation in kaolin mining wastes in Cornwall III. Nitrogenous fertilisers W. S. DancerJ. F. HandleyA. D. Bradshaw OriginalPaper Pages: 471 - 484
Effect of selenium and phosphorus on the growth and chemical composition of raya (Brassica Juncea cos.) Mahendra Singh OriginalPaper Pages: 485 - 490
Evaluation of the organic matter supplied to the soil by the decay of the roots of an intensively managedPanicum Maximum sward D. Picard OriginalPaper Pages: 491 - 501
The contribution of symbiotic nitrogen fixation to the nitrogen economy of natural ecosystems F. O. C. EzedinmaN. N. AgbimS. S. C. Onyekwelu OriginalPaper Pages: 503 - 513
Stand treatment and sampling time of hardwood foliage R. LeaW. C. TiersonA. L. Leaf OriginalPaper Pages: 515 - 533
Stand treatment and sampling time of hardwood foliage R. LeaW. C. TiersonA. L. Leaf OriginalPaper Pages: 535 - 550
Effect of phosphorus on growth and iron nutrition of millet and sorghum Christianah O. Ajakaiye OriginalPaper Pages: 551 - 561
Inhibition of nitrification by waste tea (‘Tea Fluff’) S. Krishnapillai OriginalPaper Pages: 563 - 569
Dissipation of phorate in different types of soils A. VisalakshiM. R. G. K. NairR. S. Aiyer OriginalPaper Pages: 571 - 576
Utilization of phosphate from different sources by six plant species B. Van RayA. Van Diest OriginalPaper Pages: 577 - 589
Redistribution of nitrogen in an ecosystem due to long-term fertilization and continuous cropping K. K. MathanK. SankaranK. K. Krishnamoorthy Short Communications Pages: 593 - 596
Copper, manganese and iron concentration in berseem (Trifolium Alexandrinum) and coppermolybdenum ratio as affected by molybdenum in two types of soil V. K. GuptaD. S. Mehla Short Communications Pages: 597 - 602