BIOLOGICAL NITROGEN FIXATION AND GRASSLAND PRODUCTION IN THE UNITED KINGDOM = FIXATION BIOLOGIQUE DE L'AZOTE ET PRODUCTION HERBAGERE AU ROYAUME UNICOWLING DW.1982; PHILOS. TRANS. R. SOC. LOND., SER. B; ISSN 0080-4622; GBR; DA. 1982; VOL. 296; NO 1082; PP. 397-404; BIBL. 2 P.Conference Paper

GROWTH OF LUCERNE (MEDICAGO SATIVA L.) EXPOSED TO SULPHUR DIOXIDELOCKYER DR; COWLING DW.1981; J. EXP. BOT.; GBR; DA. 1981; VOL. 32; NO 131; PP. 1333-1341; BIBL. 24 REF.Article

GROWTH OF RYEGRASS (LOLIUM PERENNE L.) EXPOSED TO SO₂. I: EFFECTS ON PHOTOSYNTHESIS AND RESPIRATIONCOWLING DW; KOZIOL MJ.1978; J. EXPER. BOT.; GBR; DA. 1978; VOL. 29; NO 112; PP. 1029-1036; BIBL. 26 REF.Article

EFFECTS OF SO₂ ON SULPHUR AND NITROGEN FRACTIONS AND ON FREE AMINOACIDS IN PERENNIAL RYEGRASSCOWLING DW; BRISTOW AW.1979; J. SCI. FOOD AGRIC.; GBR; DA. 1979; VOL. 30; NO 4; PP. 354-360; BIBL. 42 REF.Article

SULPHUR AND AMINO ACID FRACTIONS IN PERENNIAL RYEGRASS AS INFLUENCED BY SOIL AND ATMOSPHERIC SUPPLIES OF SULPHURCOWLING DW; JONES HP.1978; CONFERENCE ON SULPHUR IN FORAGES. PROCEEDINGS/1978/WEXFORD; IRL; DUBLIN: FORAS TALUNTAIS; DA. 1978; PP. 15-31; BIBL. 3 P.Conference Paper

NON-SYMBIOTIC NITROGEN FIXATION IN SOME SOILS OF ENGLAND AND WALES.LOCKYER DR; COWLING DW.1977; J. BRIT. GRASSLAND SOC.; G.B.; DA. 1977; VOL. 32; NO 1; PP. 7-11; BIBL. 21 REF.Article

INCREASED GROWTH OF RYEGRASS EXPOSED TO AMMONIACOWLING DW; LOCKYER DR.1981; NATURE (LOND.); ISSN 0028-0836; GBR; DA. 1981; VOL. 292; NO 5821; PP. 337-338; BIBL. 19 REF.Article

EFFECTS OF EXPOSURE TO SO₂ ON THE PRODUCTION OF EPICUTICULAR WAX IN LOLIUM PERENNE LKOZIOL MJ; COWLING DW.1981; ENVIRON. POLLUT., SER. A, ECOL. BIOL.; ISSN 0143-1471; GBR; DA. 1981; VOL. 26; NO 3; PP. 183-186; BIBL. 8 REF.Article

GROWTH OF RYEGRASS (LOLIUM PERENNE L.) EXPOSED TO SO₂. II: CHANGES IN THE DISTRIBUTION OF PHOTOASSIMILATED ¹⁴CKOZIOL MJ; COWLING DW.1978; J. EXPER. BOT.; GBR; DA. 1978; VOL. 29; NO 113; PP. 1431-1439; BIBL. 34 REF.Article

GROWTH OF PERENNIAL RYEGRASS (LOLIUM PERENNE L.) EXPOSED TO A LOW CONCENTRATION OF SULPHUR DIOXIDE = CROISSANCE DE L. P. EXPOSE A DE FAIBLES CONCENTRATIONS DE SO₂COWLING DW; LOCKYER DR.1976; J. EXPER. BOT.; G.B.; DA. 1976; VOL. 27; NO 98; PP. 411-417; BIBL. 26REF.Article

LABORATORY MEASUREMENTS OF DRY DEPOSITION OF SULPHUR DIOXIDE ON TO SEVERAL SOILS FROM ENGLAND AND WALESLOCKYER DR; COWLING DW; FENLON JS et al.1978; J. SCI. FOOD AGRIC.; GBR; DA. 1978; VOL. 29; NO 9; PP. 739-746; BIBL. 23 REF.Article

A SYSTEM FOR EXPOSING PLANTS TO ATMOSPHERES CONTAINING LOW CONCENTRATIONS OF SULPHUR DIOXIDE = SYSTEME POUR SOUMETTRE LES PLANTES A UNE ATMOSPHERE CONTENANT DE FAIBLES CONCENTRATIONS DE SO₂LOCKYER DR; COWLING DW; JONES LHP et al.1976; J. EXPER. BOT.; G.B.; DA. 1976; VOL. 27; NO 98; PP. 397-409; BIBL. 18REF.Article

AN ASSESSMENT OF THE CONCENTRATION OF SO₂ TO WHICH PLANTS ARE EXPOSED IN A SYSTEM OF CHAMBERSCOWLING DW; LOCKYER DR; CHAPMAN PF et al.1981; ENVIRON. POLLUT., SER. A, ECOL. BIOL.; ISSN 0143-1471; GBR; DA. 1981; VOL. 26; NO 1; PP. 1-13; BIBL. 2 P.Article

AN ASSESSMENT OF THE CONCENTRATIONS OF SO₂ TO WHICH PLANTS ARE EXPOSED IN A SYSTEM OF CHAMBERSCOWLING DW; LOCKYER DR; CHAPMAN PF et al.1981; ENVIRON. POLLUT., SER. A: ECOL. BIOL.; GBR; DA. 1981; VOL. 26; NO 1; PP. 1-13; BIBL. 38 REF.Article