APPENDICES. Labelled and Non-labelled Pasture Sulphur at each Sampling. Labelled and Non-Labelled Pasture Sulphur at each Sampling

Transcription

1 ~ APPENDICES IIOIlGE FORBES MEMORIAL LIBRARY - LINCOLN COLLEGE PAGE I SITE Data and Soil Profile Description~o II Some Physical andchemic~l Soil Properties D III Mean Yield of Total Pasture and Clover at each Harvest - First Serles of Field Experiments ( )~ 424 IV Mean Yield of Total Pasture and Clover at each Harvest - First Series of Field Experiments ( )0-429 V Labelled and Non-Labelled Pasture Sulphur at each Sampling. Root and Stubble Sulphur at some Samplings. First Series of Field Experiments ( )~ 438 VI VII VIU Labelled and Non-Labelled Pasture Sulphur at each Sampling First Series of Field Experiments ( ~ Labelled and Non-Labelled Soil Sulphur at each Samplingo First Series and Field Experiments ( )a Labelled and Non-Labelled Soil Sulphur at each Sampling. First Series of Field Experiments ( )~ IX X Potential Evapotransp,iration, Rainfall - Runoff Analysis for the First and Second Series of Field Experiments ( )~ 523 Miscellaneous Data from the First Series of Field Experiments 536 XI Mean Yield of Total Pasture and Clover at each Harvest. Xu XIII XIV Root Yield and Root Sulphur Analyses at some Harvests.' Second Series of Field Expe;imen ts ( )J Mean Yield of Total Pasture and Clover at each Harvest - Second Series of Field Experiments ( ). Labelled and Non-labelled Pasture Sulphur at each Sampling. Root and Stubble Sulphur at some Samplings. Second Series of Field Experiments ( ). Labelled and Non-Labelled Pasture Sulphur at each Samplingo Second Series of Field Experiments ( )u

2 XVI Labelled and Non-Labelled Soil Sulphur at each Samplingo Second Series of Field Experiments ( ) ( 589 XVII Miscellaneous Data from the Second Series of Field XVIII XIX Experiments ( ) Pasture Uptake of Sulphur from Various Soil Depths Sulphur-35 Recovery by Ryegrass from Sulphur-35-Labelled Plant Residues Added to Soils

3 413 c APPENDIX I SI~E Data and Soil Profile Descriptions TABLE I - Paparua Sandy Loam (SITE I) ~~ (to supplement data in TABLE I CHAPTER (1)) Location Lincoln College stud sheep farmo S (N.Z. MAP SERIES 1)0 Grid reference Topography al ti tude 30nn' above sea level. Vegetation Perennial ryegrass(lolium perenne) White clover (trifolilm repens) Cocks:iroGt (Dactylis glomerata) Crested dogstail (Cynosurus cristatus) ~wings fesoue (Festuca rubra var. commutata) Red Clover (Trifolium pratense) Rough stalked Me~ow Grass(~ trivialis) Sorrel (Rumex acetosa) Sub terrane um.,plover (Trifolium subterraneum) Profile Description 0-15cm dark brown (10YR3/3) fine sandy loam; friable: moderately developed fine and medium crumb and granular structures; numerous roots; free internal drainage; rather indistinct uneven boundary cm yellowish brown (10YR5/4) fine sandy loam; friable; mode~ately developed nutty structures with many earthworm AB cast3; some fine roo~s; free internal drainage; somewhat indistinct irregular boundary cm yellowish brown (10YR4/4) fine sandy loam; friable; moderately B201 developed nutty structures; some roots free internal dr~inage; distinct boundaryo 45-60cm olive grey (5Y5/2) sandy loam with wavy bands of yellowish bro~tn (1 OYR4/4) silt loam wi th some evidence of mottling B202 nea~ the boundary with next horizon; very friable; massive st~~cture; some roots; moderate internal drainage; indistinct boundary cm olive grey (5Y5/2) loamy sand very friable free draining. C on Greywacke alluvium

4 TABLE 2 - Kowai sandy loam (SITE II) 414 (to supplement data in TABLE I - CHAPTER III 1 0 ( 1 ) ) Location On the property of Mr B. Woods o Grid reference S o (N.Z. MAP SERIES 1). Topography altitude 470m above sea. level. Vegetation Perennial ryegrass (Lolium'perenne) Sweet vernal (Anthoxanthum odoratum) Cocksfoot (Dactylis glomerata) Cres ted dogs tail (Cynosurus cris ta tus ) Red clover (~rifolium ~r@tense) White clover (Trifolium repens) Browntop (Agr@stistenuis) Cats-ear (Hypochaeris radicata) 0-15cm A om A cm. AD cm B Profile description brownish grey (1 OYR5/2) fine sandy loam; fr,iable; moderately developed crumb ahd granular structures; numerous roots; free internal Arainage; indistinct boundary. brownish grey (10YR5/2) fine sandy loam; friable moderately developed nutty structure; friable; abundant roots; free internal drainage; distinct boundary. pale yellow (205Y7/4) fine sandy loam; friable; Weakly developed blooky structure with many earthworm oasts; some roots; free internal drainage; indistinct boundary~ olive grey (5Y5/2) sandy loam; very friable; structureless; few roots; free interqal drainage; indistinct boundary~.q!l.live grey 5Y5/2) sandy loam o

5 415 TABLE 3 - Kowai sandy loam (SITE III) (to supplement data in TABLE 10 CHAPTER III I. (1» Location on the property of Mr M. Poffo Grid reference S (N. Z. MAP SERIES 1) 100m from SITE II. Topography altitude 480m above sea level, directly below a terrace Vegetation scarp. Sweet vernal (Anthoxanthum odoratum) llil:'owntop. (Agrostistenuis) crested dogstail (Cynosurus cristatus) Broom (Cytisus scoparius) Hard tussock (Festuca novae zealandica) Cats-ear (Hypochaeris radicata) Hawkweed (Hieracium pilosella) i very similar to SITE II. Profile Description Main differences are a strongly dev-eloped crumb and granular structure within the. 0-15cm depth and evidence of slight mottling in the 40-60cm depth.

6 416 TABLE 4 Gorge silt loam (SITE IV) SITE ~ (to supplement data in TABLE I CHAPTER III I (1)) Location Property of Weir Bros o Grid reference S (N.Z. MAP SERIES 1) Topography al ti tude 380m above sea level... Vegetation Perennial ryegrass (Lolium perenne) Cocksfoot (Dactylis glomerata) Red clover (Trifolium pratense) White clover (Trifolium repens) BroW"lltop (Agro stistenuis) Ha~Tksbeard (Crepis capillaris) Profile Description 0-15cm brown (10YR4/3) silt loam; firm; moderately developed medium A1.1 and fine granular structures; abundant roots; free drainage; indistinct boundaryo brown (10YR4/3) silt loam; firm; strongly developed nutty A1.2 wld blocky structures; many roots; free drainage, indistinct m AB 45-80om B boundaryo yellowish brown (2.5Y6/4) silt loam with many earthworm casts (10YR4/3); very firm; weakly developed blocky structure; fei{ l'oots; free drainage; distinct boundaryo. yellowish brown (10YR5/6) silt loam; firm; moderately developed blocky structure; very few roots; distinct boundary. free drainage; cm pale yellowish brown (305Y6/4) silt loam; very firm weakly C developed medium blocky and nutty, structures; free drainage o ~ Greywacke gravels.

7 417 TABLE 5 Gorge silt loam (SITE V) SITE ~ (to supplement data in TABLE I CHAPTER III I. (1)) Location Property Mro Co Harvey. Grid reference S (N.Z. MAP, SERIES 1)0 Topography alltitude 380m above sea levelo Vegetatian Sweet vernal (Anthoxantham odoratum) Browntop.(Agrostistenuis) Crested dogstail (Cynosurus cristatus) Perennial ryegrass (Lolium perenne) Cocksfoot (Dactylis glomerata) Perennial ryegrass (Lolium perenne) White clover (trifolium repens) Cats-ear (Hypochaeris radicata Hawksbeard (Crepis capillaris) Soil Profile Description Similar to SITE IV except the upper 0-5cm contains a dense mat of roots.

8 418 TABLE 6 Hurunui steepland stony silt loam (SITE VI) SITE Data (to supplement data in TABLE I CHAPTER III I (1)) Location on the property of Mro R. Johnsono S (N.Z. MAP SERIES 1). Grid reference Topography overall slope = 30 0 altitude 40Om, above sea levelo Vegetation 0-10cm Northwest aspect, 10m below ridge cresto Hard tussock (Festuca novae zealandica) Silver tussock (Poa caespitosa) Sweet vernal (Anthoxanthum odo~atum) Brown top (Agrostis tenuis) Crested Dogstail (Cynosurus cristatus) Perennial ryegrass (Lolium ~renne) White clover (Trifolium repens) Red clover (Trifolium pratense) Hawkweed (Hieracium pilosella) Cats-ear (Hypochaeris radicata) Profile description dark greyish brown (10YR4/2) stony silt loam; ve~y friable 10-20om A cm AB 31-45cm B A1.1 strongly developed granular and crumb structures; free draining; abundant fine roots; indistinct boundary. dark greyish brown (10YR4/2) stony silt loam; ~ery f~iable; strongly developed fine blocky and nutty struotures; many very fine roots; indistinct boundary. dark brown (10YR4/3) stony heavy silt loam; friable; strongly developed very fine n tty structures; few fine roots; free draining; diffuse boundary. yellowish brown (10YR5/4) stony clay loam; friable weakly developed medium nut structures; few fine roots; free draining ~ Greywacke xock (fractured) AcrOSs the trial SITE, much profile morphological variation was evident, with the major variability in the B horizon deptho

9 419 TABLE 7 - Craigieburn sandy loam (SITE VII) ~Qlli (to supplement data in TABLE I CHAPTER III 1 0 (1)) Location Property of Murchison Bros., Lake Coleridge station. Grid reference S (N.Z. MAP SERIES 1). Topography altitude 600mabove sea level o Vegetation Hard tussock (Festica novae zealandica) Sweet vernal (Anthoxanthum odoratum) Browntop (Agro s.tistenuis ) Matagouri (Discaria toumatou) Snowberry (Cyanthodes colensoi) 0-15em A 15-30cm AB 3C-45cm B Profile Description dark brown (10YR3/3) fine sandy loam; very friable; moderately developed crumb and granular structures; numerous roots; free internal drainage; indistinct boundary 0 brownish yellow.(10yr6/6) fine sandy loam; very friable; weak to moderately developed nutty structure; few roots; free draining; distinct boundaryo yellowish brown (10YR5/4) silt loam; very friable; weakly developed medium nutty structure; very few roots; free draining_ n Greywacke gravels. Past wind erosion has produced a discontinuous A horizon over the trial SITE.

10 APPENDIX II Some Physical and Cijamical Soil Properties TABLE 1 - Paparua sandy loam (SITE I) Depth Volume Field Capacity Wilting Point Soil Texture Sulphur Total Total Total ph (Weight)- m~x 100 ~x 100 sand,silt,clay Retention Sulphur Nitrogen Carbon (H2O) g/cc go. soil 1 go.dsoil 1 % % % % % % % { " { : TABLE 2 - Kowai sandy loam (SITE I] { ( ~ ~ I\) 0

11 TABLE 3 - Kawai sandy loam (SITE III) Depth Volume field Capaei ty Wilting Point Soil Texture Sulphur Weight sand, silt, clay Retention em dcc ~x 100 ~x 1.QQ. % % % % go. oil 1 go. oil 1 Total Total Sulphur Nitrogen % % Total Carbon % ph (H 2 O) ,_ { { ; TABLE 4 Gorge silt loam (SITE IV) 0-5 1,, { { :? , :> I\)

12 TABLE 5 - Gorge silt loam (SITE V). Depth Volume Field Capacity Weight cm glcc E!!~ 100 goodsoil 1 Wilting Point Soil Texture Sulphur Total sand, silt, clay Retention Sulphur ~x 100 % % % % % goo soil 1 Total Total Nitrogen Carbon % % ph (H 2 O) { { TABLE 6 - Hurunui Steepland stony silt loam (SITE VI) Q { * [ L Replica tes 1 and 3 ++ Replicate 2..p.. I\) I\)

13 TABLE 7 - Craigieburn sandy loam (SITE VII) Depth Volume field Capacity Wilting P oin t Soil Texture Sulphur Weight sand, silt, clay Retention cm g/ce ~x 100 ~x 100 % % % % go. oil 1 go. oil { ) { 38.0 I... { Total Total Total Sulphur Nitrogen Carbon % % % ph (H 2 O) j::>. I\) \.N

14 424 APPENDIX III Mean Yield of Total Pasture and Clover at each Harvest First Series of Field Experiments ( ) TABLE I (SITE 1 - Paparua) HARVEST I (13/10/71 - D34) HARVEST II (25/11/71 - D77) TREATMENT Pasture Clover Pasture Clover. (kgdm/ha) (kgdm/ha) (kgdm/ha) (kgdm/ha) SO (Control) S1 (11. 25kgS/ha) S2 (22.5kgS/ha) S3 (45. OkgS/ha) F 3,6 cal culated C.V. % F,6 required 3 (5%) = 4.76 TABLE 2 (SlTE II - Kowai) HARVEST I (27/10/71 - D48) HARVEST II (9/12/71 - D91) TREATMmT Pasture. Clover Pasture Clover (kgdm/ha) (kgjdm/ha) (kgdm/ha) (kgdm/ha) SO (Control) S1 (11.25kgS/ha) S2 (22.5kgS/ha) S3 (45.kgS/ha) F 3,6 calculated C.V. %

15 TABLE 2 (continued) 425 HARVEST III (20/1/72 - D133) HARVEST IV (29/2/72 - D173) SO (Control) S1 (11. 25kgS/ha) S2 (22.5kgS/ha) S3 (45.0kgS/ha) F 6 calculated 3, L.S.D. 5% 149 L.S.D. 1% ** C.v. % F 3,6 required (5%) = 4.76 ** (1%) = 9.78 TABLE 3 (SITE III - Kowai) HARVEST I (20/1/72 - D133) HARVEST II (29/272 - D173) TREATMENT Pasture Clover Pasture Clover (kgdm/ha) (kgdm/ha) (kgdm/ha) (kgdm/ha) SO (C ontrol) S1 (11 25kgS/ha) S2 (22. 5kg?/ha) S3 (45.0kgS/ha) F 3,6 calculated ** L.S.D. 5% 110 L.S.D. 1% 167 C. v. %

16 426 TABLE 4 (SITE N - Gorge) HARVEST I (27/10/71 - D48) HARVEST II (9/12/71 - D91) TREATMENT Pasture Clover Pasture Clover (kgdm/ha) (kgdm/ha) (kgdm/ha) (kgdm/ha) SO (Control) S1 (11 25kgS/ha) S2 (22. 5kgS/ha) S3 (45.0kgS/ha) F 3,6 calculated c.v. % HARVEST III ( 20/1 /72 - D133) HARVEST N (29/2b2 - D173) SO (C ontrol) S1 (11.25kgS/ha) S2 (22. 5kgS/ha) (45.0kgS/ha) F3;6 calculated C.V. % HARVEST V,6/.2/ D2~p) SO (Control) (11. 25kg8/ha) (22.5kgS/ha) (45. OkgS/ha) F 3,6 calcul~ted c.v. % F 3,6 required (5%) = 4.76

17 427 TABLE 5 (SITE V - Gorge) HARVEST I (9/12/71 - D91) HARVEST II (29/2/72 - D173) TREATMENT Pasture Clover Pasture Clover (kgdm/ha) (kgdm/ha) (kgdm/ha) (kgdm/ha) --- SO (Control) S1 (11.25kgS/ha) S2 (22. 5kgS/ha) S3 (45. OkgS/ha) F 3,6 calculated 8.6* 40.5** 28.6** 50.2** L.S.D. 5% L.S.D. 1% c. v. % F 3,6 required * (5%) = 4.76 ** (1%) =9.78

18 428 TABLE 6 (SITE VI - Hurunui) HARVEST I (23/11/71 - D75) HARVEST II (5/1/72 - D118) TREATMENT Pasture Clover Pasture Clover (kgdm/ha) (kgdm/ha) (kgdm/ha) (kgdm/ha) SO (Control) S1 (11. 25kgS/ha) S2 (22. 5kgS/ha) S3 (45.0kgS/ha) F 3,6 calculated c. v. % HARVEST III (2L)L1 2 - D112) SO (C antral) S1 (11. 25kgS/ha) S2 (22.5kgS/ha) S3 (45. OkgS/ha) F 3,6 calculated C.V. % F 3,6, required (5%) = 4.76

19 429 APPENDIX IV Mean Yield of Total Pasture and Clover at each Harvest First Series of Field Experiments TABLE 1 (SITE I - Paparua) 'l'reatment HARVEST I (26/10/72 - D413) HARVEST (a) Pasture S- S+ S- II (15/12/72 - D463) S+ S1 (11. 25kgS/ha) 1950 S2 (22. 5kg8/ha) (45. OkgS/ha) 1860 C.V. % (b) Clover 81 (11.25kgS/ha) (22. 5kgS/ha) (45.0kg$/ha) C.v. % s- non-retopdressed S+ retopdre ssed

20 430 TABLE 2 (SITE II - Kowai) TREATMENT HARVEST I HARVEST II HARVEST III HARVES'r IV (24-/10/72 (29/11/72 ( 5/1/73 ( 26/4-/73 DJ+ 11 ) D4-4-7) (a) Pasture D4-94-) D595) S1 + (11.25kgS/ha) ** ** S2 (22.5kgS/ha) ** ** S3 (25.0kgS/ha) (1)L.S.D. 5% L.S.D. 1% C.V. % (b) Clovers 81 ( 11.25kgS/ha) ** ** S2 (22.5kgS/ha) * ** * S3 (45.0kgS/ha) * L.S.D. 5% L.S.D. 1% C.V. % :Refers in all TABLES of APPENDIX IV to the significance of the the. difference between S- and S+ at each rate of topdressing. Where the difference is significant this is denoted by an asterisk * (5%),. ** (1%).

21 431 TABLE 3 (SITE III - Kowai) TREATMEl.\IT HARVEST I HARVEST II HARVEST III ( 14/11/72 (9/1/73 (8/3/73 D432) D488) D546) (a) Pasture S- S+ S- S+ s- s+ S1 ( 11,. 25kgS/ha) T S2 (22.5kgS/ha) S3 (45.0kgS/ha) c. v. % (b) Clover S1 ( 11.25kgS/ha) * ** ** S2 (22.5kgS/ha) * ** S3 (45.0kgS/ha) L.S.D. 5% L.S.D. 1% c. v. %

22 TABLE 4 (SITE Dl - Gorge) 432 (a) Pasture TREATl~T HARVEST I HARVES'r II HARVEST III (24/10/72- (29/11/72- (15/1/73- D41-1) DJ-J47) D494) S- S+ S- S+ S- S+ S1 (22. 25kgS/ha) * S2 (23.5kgS/ha) S3 (45.0kgS/ha) ** L.S.D. 5% 224 L.S.D. 1% 326 C.V. % HARVEST Dl HARVEST V HARVEST VI ( 27/2/73- (27/3/73- (17/5/73- D537) D565) D616) S1 (11 25kgS/ha) ~ (22. 5kgS/ha) (45.0kgS/ha) C.v. %

23 433 TABLE 4 (Continued) (b) Clovers TREATMENT HARVEST I HARVEST II HARVEST III (24/10/72- (29/1 1/72- ( 15/1/73- D411 ) Dir47) DJ+94) S- S+ S- S+ S- 8+ S1 (11. 25kgS/ha) *. S2 (22. 5kgS/ha) S3 (45.0kgS/ha) ** L.S.D. 5% 143 L.S.D. 1% 208 C.V. % HARVEST IV HARVEST V HARVEST VI (27/2/73- (27/3/73- ( 17/5/73- D537) D565) D616) S1 (11.25kgS/ha) S2 (22. 5kgS/ha) S3 (45.0kgS/ha) C. V. %

24 434 (a) Pasture relll3le 5 (SITE V - Gorge) TREATMENT HARVEST I HARVEST II HARVEST III (21+/1 9"72- (2~ (15/1/73- D!..11 ) D~ 47) D 49tV S- s+ s- S+ S- s+ S 1 (11. 25kgS/ha) 1870 '3460** S2 (22.5kgS/ha) S 3 (45. Ok gs/h a) * L.S.D. 5% L.S.D. 1% C. V. % HARVEST IV HARVEST V HARVEST VI (27/2/73- (27/3/73- ( 17/5/72- D537) D565) D616) S1 (11 25kgS/ha) ** ** S2 (22.5kgS/ha) ** S3 (45. OkgS/ha) L.S.D. 5% L.S.D. 1% c.v. %

25 435 TABLE 5 (Continued) (b) Clover TREATME..~T HARVEST I HARVEST II HARVEST III (24/10/72- (29/11/72- (15/1/73- D411 ) D447) D494) S- S+ S-.8+ S- S+ S1 (11.25kgS/ha) * S2 (22.5kgS/ha) S 3 (45. OkgS/ha) ** L.S.D. 5% 143 L.S.D. 1% 208 C. V. % HARVEST IV HARVES; V HARVEST VI (27/2/73 - (27/3 73- ( 17/5/73-- D537) D565) D616) 81 (11 25kgS/ha) ~ 22. 5kgS/ha) S3 (45.0kgS/ha.) c. v. %

26 436 TABLE 6 (SITE VI - Hurunui) (a) Pasture TREATMENT HARVEST I HARVEST II HARVEST III ( 31/10/72- (12/12/72- (9/2/73- D418) D460) D519) S- S+ S- S+ S- S+ S1 (11.25kgS/ha) ** 82 (22. 5kgS/ha) * * 83 (45. OkgS/ha) L.S.D. 5% L.S.D. 1% C.V. % (b) Clover 81 (11. 25kg8/ha) S2 (22.5kgS/ha) S3 (45.0kgS/ha) C.V. %

27 437 TABLE 7 (SITE VII - Craigieburn) (a) Pasture TREATMENT HARVEST I HARVEST II (14/12/72 - D1-l-40) (29/1/73 - D486) S- S+ S- 8+ S1 (11.25kgS/ha) ** ** S2 (22. 5kgS/ha) * ** S3 (45.0kgS/ha) * ** L.S.D. 5% L.S.D. 1% C. v. % ( b) Clover 81 (11.25 kgs/ha) ;'(-* ** S2 (22. 5kgS/ha) ** (45.0kgS/ha) * ** L.S.D. 5% L.S.D, 1% C.V. %

28 438 APPENDIX V Labelled and Non-Labelled Pasture Sulphur at each Sampling. Root and Stubble Sulphur at Some Samplings. First series of Field Experiments TABLE 1 (SITE I - Paparua) S3 (45.0kgS/ha) TREATMENTS DAY 34 (13/10/71) Rep. Pasture D.M~ T. S. T. S. 2 S.A. L.S. L.S. N. L. S. Species g/m mg/g mg/m dpm/jlgs mg/ g mg/g rpg/g SO (ContrOl) T.S. mg/g 1 Clovers Clovers ,46 3 Clovers Grass Grass Grass DAY 77 (25/11 /71) 1 Clover oj Clover Clover ~93 1 Grass ,94 2 Grass GraSs pay 12~ (10/1/72) - pasture "grab" sample 1 Clover CloVer Clover Grass Grass Grass DAY 239 (5/5/72) - pasture " grab" sample 1 Clover Clover Clover Grass Grass Grass D.M. Dry Matter L. S. Labelled Sulphur T.S. Total Sulphur N.L.S. Non-Labelled Sulphur

29 TABLE 1 (Continued) 439 DAY 354 (28/8/72) - pasture "grab" sample 1 Clovers Clovers Clovers Grass Grass Grass TABLE 2 (SITE II - Kowai) S3 (45.0kgS/ha) TREATMENTS DAY 48 (27/10/71) SO (Control) Rep. Species D.M~ T.S. T.S 2 S.A. L. S. L.S. 2 N.L.S. T. S. g/m mg/g mg/m d pm/}.lgs mg/ g mg/m mg/g mg/g 1 Clover Clover Clover Grass Grass Grass Roots '0"15 om om Roots em em I 71 ) Stubble Stubble Stubble ' DAY 91 (9/12/71 ) -1 Clover Clover Clover , I 1 Grass Grass Grass

30 TABLE 2 (Continued) 440 DAY 133 (20/1/72) 1 Clover Clover Clover Grass Grass Grass DAY 17.3 ( 29/2/72) 1 Clover Clover Clover Grass Grass GraSs DAY 240 (6/5/72) - pasture "grab" sample 1 Clover Clover Clover Grass Grass Grass Roots ern em Roots em em Ii Stubble Stubble Stubble J DAY 350 (24/8/72) - pasture "grab" sample 1 Clover Clover Clover Grass Grass Grass

31 1 Stubble TABLE 3 (SITE III - Kowai) S3 (~5.0kgS/h&) TREATMENTS DAY 48 (27/10/71) S9 ( Control) - pasture "grab" sample Rep. Spe(;ies m C' D.M...L. LJ. T.S S.A. L.S. 2 L,S' 2 N.L.S. T. S g/m 2 mg/g mg/m dpm/pgs mg/ g mg/m myg myg 1 Grass ~ Grass 1.1 ~ % 0.7,) 3 Grass 1.~ DAY 91 (9/12/71) - pasture "grab" sample 1 Grass ~ Grass ? Grass DAY 133 (20/1/72) 1 Grass ~O ~ ~5 1~ ~ 2 Gro.ss ~ ~0 1~50 0.~3 19~ Grass ~76 1~OO 0.~ O~ DAY 173 (29/2/72) 1 Clover ~ e Clover ~ ' Clover Grass Grass 126 '1.~6 18~ Grass DAY 2~0 (6/5/72) - pasture "grab" sample 1 Clover Clover Clover Grass Grass Grass ~ Roots ' om ' em " Roots ' em em

32 TABLE 3 (Contillued) 442 DAY 350 (6/5/72) - pasture "grab" sample 1 Clover Clover Clover Grass Grass Grass TABLE 4 (SITE IV - Gorge) S3 (45.0kgS/ha) TREATlYffilNTS DAY 48 (27/10/71) SO ( Control) Rep. Species D.M~ T.S. T,S' 2 S.A. L.S. L,S' 2 N.L.S, T.S. glm mg/g mg/m dpm/,ugs mg/ g mg/m 'mg/g mg/g 1 Clover Clover Clover Grass Grass Grass Roots om em , Roots em em , Stubble ' Stubble Stubble DAY.91 (9/12/71) 1 Clove:!' Clover Clover fP Grass ~O1 2 Grass Grass

33 443 DAY 133 (20/1/72) 1 Clover Clover Clover Grass Grass Grass DAY 173 (29/2/72) 1 Clover Clover CleVer Grass Grass Grass DAY 240 (6/5/72) 1 Clover Clover Clover Grass Grass ; Grass Root em 55~ em Roots em em Stubble Stubble Stubble DAl..22.Q (';~4/8/72) - pasture "grab" sample.. 1 Clover Clover Clover Grasp Grass Grass

34 TABLE 5 (SITE V - Gorge) 444 s3 (45. OkgS/ha) TREATMENTS SO ( Control) DAY 48 (27/10/71) - pasture "grab" sample Rep. Pasture D.M. T. S. T,S' 2 S.A. L.S. L,S' 2 N.L.S. T.S. Speeies g/m 2 mg/g mg/m dpm/,p-gs mg/ g mg/m mg/g mg/g 1 Grass Grass Grass DAY 21 (9/12/71 ) 1 Clover Clover Clover ~, Grass Gr3.ss Grass DAY 173 (29/2/72) 1 Clover Clover Clover Grass Grass Grass Dl~Y 240 (6/5/72) - pasture "grab" sample 1 Clover Clover Clover , Grass GrasS Grass Roots em em Roots em em Stubble Stubble Stubble ~i.t

35 TABLE 5 (Continued) 445 DAY 350 (24/8/72) - pasture "grab" sample 1 Clover Clover Clover Grass Grass Grass TAELE 6 (SITE VI - Hurunui) S 3 (4-5. OkgS/ha) TREATMENTS DAY 75 (23/11/71) SO ( Control) Rep Species D.M~ T.S. T,S 2 s.a. L.S. L.S. 2 N.L.S. T. S. g/m mg/g mg/m dpm/)lgs mg/ g mg/m mdg mg/g 1 Clover ~29 2 Clover Clover Grass Grass Grass DAY 118 (5/1/72) 1 Clover Clovel:' Clover Grass ' Grass Grass DAY 175 (2/3/72) 1 Clover Clover Clover Grasp Gras's Grass

36 446 TABLE 6 (Continued) DAY 240 (6/5/72) - pasture "grab" sample 1 Clover Clover Clover Grass Grass Grass DAY 350 (24/8/72) 1 Clover Clover Clover Grass Grass Grass

37 APPENDIX VI 447 Labelled and Non-Labelled Pasture Sulphur at each S.ampling. First Series of Field Experiments TABLE 1 (SITE I - Paparua) DAY 413 (26/10/72) 83- (non-retopdressed) TREATMENTS SO (C ontrol) Rep. Species D.M. T.S. T.S. 2 S.A. L.8. L.8. 2 N.L.S. T.S. g/m 2 mg/g mg/m dpm/pgs mg/g mg/m mg/g mg/g 1 Clover 132 -j Clover H Clover 14h Grass Grass Grass S3+ ( retopdressed) 1 Clover Clover Clover Grass Grass Grass DAY 460 ( 15/12/72) S3- (non-retopdressed) 1 Clover I Clover Clover Grass Grass Grass S3+ ( retopdressed) 1 Clover Clover , 13 3 Clover Grass Grass Grass D.M. Dry Matter T.S. 'rotal Sulphur S.A. Speciflc Activity N. L. S. Non-Labelled Sulphur

38 TAB~~ (Continued) 448 DAY 602 (23/5/73) S3- (non-~etopdressed) 1 Clover Clover Clover Grass Grass Grass ,TABLE 2 (SITE II - Kowai) D~~~ (25/10/72) S3- (non-retopdressed) Treatments SO ( Control) Rep. Species D.M. T. S. T. S. 2 S. A. L. S. 1"S' 2 N.L.S. T,S. g/m 2 mg/g mg/m dpru/pgs mg/m mg/m- mg/g mg/g Clover Clover Clover Grass Grass Grass S3+ (retopdressed) 1 Clover 5~ Clover Clover Grass Grass Grass DAY 447 (29/11/72),, 33- (non-retopdressed) 1 Clover Clover Clover Grass Gra.ss Grass

39 TABLE 2 (Continued) ( retopdressed) 1 Clover Cl,)ver Clover Grass Grass Grass DAY 494 (15/1/73) 83- (non-retopdressed) 1 Clover Clover Clover Grass Grass Grass ( re-topdre ssed) 1 Clover Clover Clover Grass Grass Grass DAY 595 (26/4/73) 83- (non-retopdressed) 1 Clover Clover Clover Grass Grass Grass ( retopdressed) 1. Clover Clover Clover Grass Grass Grass

40 T.AB1E 3 (SITE III - Kowai) 450 DAY~ (14/11/72) S3- ( non-retopdressed) Treatments SO ( Control) Rep. Species D.M 2 T.S. T,S' 2 S.A. 1. S. 1,S' 2 N.1.S. T.S. gjm mg/g mg/m dpm;)lgs mgj g mg/m mgjg mg/g 1 Clover Clover Clover Grass Grass Grass S3+ ( retopdressed) 1 Clover Clover Clover Grass Grass Gre,ss DAY 488 (9/1/73) S3- (non-retopdressed) 1 Clover , 2 Clover Clover Grass Grass so Grass ) S3+ ( 1' ltopd1 1 8ssed) 1 Clover Clover Clover Grass : Grass Grass DAY 546 (8/3/73).S3- (non-retopdressed) 1 Clover Clover Clover Grass ~~ Grass Grass

41 ---- TABLE 3 (Continued) 451 S3+ ( retopdressed) 1 Clover Clover Clover Grass Grass Grass S3- (non-retopdre ssed) DAY 613 (14/5/73) 1 Clover Clover Clover GraSs Grass Grass TABLE!t (SITE IV - Gorge) DAY 4j1 (27/10/72) S3- (non-retopdressed) Treatments SO ( Contr,ol) Rep. Species D.M~ T. S. T,S' 2 S.A. L.S. L,S' 2 N.L.S. T.S. g/m mg/g mg/m dpm/~gs mg/g mg/m mg/g mg/g 1 Clover Clover Clover Grass Grass Grass S3+ (retopdressed) 1 Clover Clover Clover Gras.s Grass ' Grass

42 (non-retopdressed) DAY 442 (29/11/72) 1 Clover Clover Clover Grass Grass Grass (retopdressed) 1 Clover Clover Clover Grass Grass Grass (non-retopdressed) DAY 494- (15/1/73) 1 Clover Clover Clover Grass Grass Grass (retopdressed) 1 Clover Clovel:' 1: r Clover Grass Grass Grass DAY 537 (27/2/73) 83- (non-retopdressed) 1 Clover Clover Clov.er Grass Grass Grass

43 TABLE 4 (Continued) 453 S3+ ( retopdressed) 1 Clover Clover Clover Grass Grass Grass S3- (non-retopdressed) DAY 565 (27/3/73) 1 Clover Clover Clover Grass Grass Grass S3t ( retopdressed) 1 Clover Clover Clover Grass ~ Grass Grass S3- (non-retopdressed) DAY 616 (14/5/73) 1 Clover Clover Clover Grass Grass Grass , TABLE 2 (SITE V - Gorge) DAY~ (14/11/72) 33- (non-retopdressed) Treatments SO ( Control) Rep. Species D.M~ T.S. T,S'2 S.A. L.S. L,S' 2 N.L,S. T,S. dm mg/g mg/m dpm/pgs mg/g mg/m mg/g mg/g 1 Clover , 2 Clover Clover

44 TABLE 5 (C ontinued) " Grass Grass Grass (retopdressed) 1 Clover Clover Clover Grass Grass Grass DAY 487 (8/1/73) 83- (non-retopdressed) 1 Clover Clover Clover Grass Grass Grass ( retopdressed) 1 Clover 252 1, Clover ~8 3 Clover Grass Grass Gr/,lSS DAY 613 (14/5/73) 83- (non... retopdre seed.) 1 Clover Clover Clover Grass Grass Grass

45 455 TABLE 6 ( SITE VI - Hurunui) DAY ~18 (31/10/72) S3- (non-retopdre ssed) Treatments SO (Control) N.L.S. T.S. g/m mg/g mg/m dpm/}lgs mg/ g mg/m mg/g mg/g Rep. Species D.M~ T.S. T,S' 2 S.A. L.S. L,S' 2 1 Clover Clover Clover Grass Grass Grass ( retopdressed) 1 Clover' Clover ~ 3 Clover Grass Grass Grass (non-retopdressed i ) DAY ~60 (12/12/72) 1 Clover Clover Clover Grass Grass Grass S3+ ( retopdressed) 1 Clover Clover ' 273 ' Clover Grass GI'aas Gra,ss

46 TABLE 6 (C ontinued) DAY 512 (9/2/ (non-retopdressed) 1 Clover Clover n Clover Grass n Grass Grass (retopdressed) 1 Clover Clover Clover Grass Grass Grass (non-retopdressed) DAY 616 (n/5/73) 1 Clover Clover Clover Grass Grass Grass TABLE 1 (SrrE VII - C raigieburn) DAY 440 (14/12/72) 83- (non-retopdressed) Treatments 80 (Control) Rep. Speo:tes D.M. T,S. T,S' 2 S.A. L.S. L.S'2 N.L.S. T.S. g/m 2 mg/g mg/m dpm/pgs mg/ g mg/m mg/g mg/g 1 Clover Clover Clover Grass Grass Grass

47 457 TABLE 7 (Continued) 83+ ( retopdressed) 1 Clover Clover Clover Grass Grass Grass (non-retopdressed) DAY 4-86 (29/1/73) 1 Clover Clover Clover Grass Grass Grass (retopdressed) 1 Clover Clover Clover Grass Grass Grass

48 APPENDIX VII 458 Labelled and Non-Labelled Soil Sulphur at each Sampling. First Series of Field Experiments TABLE 1 (SITE I - Paparua) S3 Treatment (L~5. OkgS/ha) DAY 34 (13/10/71) Rep. Depth (d.) T.S. S.A. L.S. L,S 2 ( em) )lg/g dpm/)lgs pg/g mg/m /cm 1 o o o ; L.S. mg/m 2 /d T.S. Total Sulphur S.A. L.S. Speoific Activity Labelled Sulphur All abbreviations apply to TABLES 1-7.

49 TABLE 1 (Continued) 459 DAY 77 (25/11/71) 1 o o o DP,Y 123 (10/1/72) 1 o o o

50 TABLE 1 (c ontinued) 460 DAY 222 (:./572) 1 o ~ o ~ 1~70 3 o ~ ~8 17~ ~ ~ ~ ~ ~ ~ ~ ~5 ~8 1 ~5-60 ~O 2 ~ ~ DAY 35~ (28/8/72) 1 o ~ o o ~ ~ ~ ~ J ~ ~ ~ ~5-60 ~ ~