Quantitative relationships for the dependence of growth rate of arable crops on their nitrogen content, dry weight and aerial environment D. J. GreenwoodJ. J. NeetesonA. Draycott OriginalPaper Pages: 281 - 301
Effects of root temperature on uptake of nitrate and ammonium ions by barley grown in flowing-solution culture J. H. MacDuffM. J. Hopper OriginalPaper Pages: 303 - 306
A substrate cycling model for nitrate uptake byPisum sativum seedlings: A key to sensitivity of response of net flux to substrate and effectors? Celia E. Deane-Drummond OriginalPaper Pages: 307 - 311
Nitrate and ammonium absorption by plants growing at a sufficient or insufficient level of phosphorus in nutrient solutions J. K. Schjørring OriginalPaper Pages: 313 - 318
Cycling of amino-nitrogen between shoots and roots in wheat seedlings H. D. CooperD. T. ClarksonB. C. Loughman OriginalPaper Pages: 319 - 322
Nitrogen retranslocation in plants of maize, lupin and cocklebur W. G. KeltjensJ. W. NieuwenhuisJ. A. Nelemans OriginalPaper Pages: 323 - 327
Alteration in enrichment of NO 3 − and reduced-N in xylem exudate during and after extended plant exposure to15NO 3 − Thomas W. Rufty Jr.Richard J. Volk OriginalPaper Pages: 329 - 332
An evaluation of the stoichiometry ofin vitro nitrate assimilation inZea mays Pamela BrunswickC. F. Cresswell OriginalPaper Pages: 333 - 337
Root contribution to nitrate reduction in barley seedlings (Hordeum vulgare L.) A. GojonL. PassamaP. Robin OriginalPaper Pages: 339 - 342
Partitioning of reduced nitrogen derived from exogenous nitrate in maize roots: Initial priority for protein synthesis M. A. MorganW. A. JacksonR. J. Volk OriginalPaper Pages: 343 - 347
Glutathione, a tripeptide which may function as a temporary storage compound of excessive reduced sulphur in H2S fumigated spinach plants L. J. De KokF. M. MaasP. J. C. Kuiper OriginalPaper Pages: 349 - 352
Nitrogen uptake, assimilation and transport in barley in the presence of atmospheric nitrogen dioxide A. J. Rowland OriginalPaper Pages: 353 - 356
Influence of partial defoliation of green pepper on the senescence, growth, and nitrate reductase of the remaining leaf D. R. VannJ. S. FletcherL. Beevers OriginalPaper Pages: 357 - 361
Nitrate or ammonium nutrition in french bean S. ChaillouJ. -F. Morot-GaudryE. Jolivet OriginalPaper Pages: 363 - 365
Refixation of photorespiratory ammonia and the role of alanine in photorespiration: Studies with15N Thomas BetscheRainer Eising OriginalPaper Pages: 367 - 371
Effects of the glutamine synthetase inhibitor methionine sulfoximine on CO2 fixation inLemna gibba L. JohanssonC. -M. Larsson OriginalPaper Pages: 373 - 376
Nitrate reduction in the leaves and numbers of nitrifiers in the rhizosphere ofPlantago lanceolata growing in two contrasting sites Tjeerd Blacquière OriginalPaper Pages: 377 - 380
Growth, ionic balance, proton excretion, and nitrate reductase activity in Alnus and Hippophaë supplied with different sources of nitrogen Sep R. TroelstraTjeerd Blacquière OriginalPaper Pages: 381 - 384
Effect of nodulation on the nitrate assimilation in vegetative soybean plants G. ConejeroJ. L. TiradoP. Robin OriginalPaper Pages: 385 - 389
The course of nitrogen uptake by spring barley from soil and fertilizer nitrogen N. E. NielsenH. E. Jensen OriginalPaper Pages: 391 - 395
Nitrogen assimilation in field-grown winter wheat: Direct measurements of nitrate reduction in roots using15N H. D. CooperD. T. ClarksonB. C. Loughman OriginalPaper Pages: 397 - 400
Interactions between nitrate uptake and N2 fixation in white clover I. A. DavidsonM. J. Robson OriginalPaper Pages: 401 - 404
Accumulation and reduction of nitrate in cereal plants dependent on N supply Eberhard PrzemeckMartin Kücke OriginalPaper Pages: 405 - 410
Nitrogen supply from some soil types with various organic-matter treatments G. HofmanC. OssemerctM. van Ruymbeke OriginalPaper Pages: 411 - 415
Dependence of soil mineral N on N-fertilizer application J. J. NeetesonD. J. GreenwoodE. J. M. H. Habets OriginalPaper Pages: 417 - 420
Distribution of nitrate, exchangeable and non-exchangeable ammonium in the soil-root interface J. WehrmannH. Coldewey-Zum Eschenhoff OriginalPaper Pages: 421 - 424
Fate of sheep urine-N applied to an upland grass sward R. J. ThomasK. A. B. LoganJ. A. Milne OriginalPaper Pages: 425 - 427
Nitrate accumulation in spinach: Uptake and reduction of nitrate during a dark or a ‘low light’ night period Eveliene Steingröver OriginalPaper Pages: 429 - 432
The role of nitrate in osmoregulation of Italian ryegrass B. W. VeenA. Kleinendorst OriginalPaper Pages: 433 - 436
