-
1
-
-
0037523458
-
Potassium budgets in grassland systems as affected by nitrogen and drainage
-
Alfaro M.A., Jarvis S.C., and Gregory P.J. Potassium budgets in grassland systems as affected by nitrogen and drainage. Soil Use Manage. 19 (2003) 89-95
-
(2003)
Soil Use Manage.
, vol.19
, pp. 89-95
-
-
Alfaro, M.A.1
Jarvis, S.C.2
Gregory, P.J.3
-
2
-
-
33847759975
-
Response of soil exchangeable and crop potassium concentrations to variable fertiliser and cropping regimes in long-term field experiments on different soil types
-
Andersson S., Simonsson M., Mattsson L., Edwards A.C., and Öborn I. Response of soil exchangeable and crop potassium concentrations to variable fertiliser and cropping regimes in long-term field experiments on different soil types. Soil Use Manage. 23 (2007) 10-19
-
(2007)
Soil Use Manage.
, vol.23
, pp. 10-19
-
-
Andersson, S.1
Simonsson, M.2
Mattsson, L.3
Edwards, A.C.4
Öborn, I.5
-
3
-
-
33750295332
-
Mineralogical budgeting of potassium in soil: a basis for understanding standard measures of reserve potassium
-
Andrist-Rangel Y., Simonsson M., Andersson S., Öborn I., and Hillier S. Mineralogical budgeting of potassium in soil: a basis for understanding standard measures of reserve potassium. J. Plant Nutr. Soil Sci. 169 (2006) 605-615
-
(2006)
J. Plant Nutr. Soil Sci.
, vol.169
, pp. 605-615
-
-
Andrist-Rangel, Y.1
Simonsson, M.2
Andersson, S.3
Öborn, I.4
Hillier, S.5
-
4
-
-
0033746905
-
Potassium retention and leaching in an organic crop rotation on loamy sand as affected by contrasting potassium budgets
-
Askegaard M., and Eriksen J. Potassium retention and leaching in an organic crop rotation on loamy sand as affected by contrasting potassium budgets. Soil Use Manage. 16 (2000) 200-205
-
(2000)
Soil Use Manage.
, vol.16
, pp. 200-205
-
-
Askegaard, M.1
Eriksen, J.2
-
5
-
-
0036275079
-
Exchangeable potassium in soil as indicator of potassium status in an organic crop rotation on loamy sand
-
Askegaard M., and Eriksen J. Exchangeable potassium in soil as indicator of potassium status in an organic crop rotation on loamy sand. Soil Use Manage. 18 (2002) 84-90
-
(2002)
Soil Use Manage.
, vol.18
, pp. 84-90
-
-
Askegaard, M.1
Eriksen, J.2
-
6
-
-
21244465754
-
Sustainable management of potassium
-
Schjønning P., et al. (Ed), CAB International, Wallingford
-
Askegaard M., Eriksen J., and Johnston A.E. Sustainable management of potassium. In: Schjønning P., et al. (Ed). Managing Soil Quality: Challenges in Modern Agriculture (2004), CAB International, Wallingford 85-102
-
(2004)
Managing Soil Quality: Challenges in Modern Agriculture
, pp. 85-102
-
-
Askegaard, M.1
Eriksen, J.2
Johnston, A.E.3
-
7
-
-
0037523460
-
Exchangeable potassium and potassium balances in organic crop rotations on a coarse sand
-
Askegaard M., Eriksen J., and Olesen J.E. Exchangeable potassium and potassium balances in organic crop rotations on a coarse sand. Soil Use Manage. 19 (2003) 96-103
-
(2003)
Soil Use Manage.
, vol.19
, pp. 96-103
-
-
Askegaard, M.1
Eriksen, J.2
Olesen, J.E.3
-
8
-
-
33748622992
-
K-activity ratios and uptake of potassium by ryegrass in the field
-
Becket P.H.T., and Clement C.R. K-activity ratios and uptake of potassium by ryegrass in the field. J. Soil Sci. 24 (1973) 82-93
-
(1973)
J. Soil Sci.
, vol.24
, pp. 82-93
-
-
Becket, P.H.T.1
Clement, C.R.2
-
9
-
-
0345564795
-
Field balances of some mineral nutrients and trace elements in organic and conventional dairy farming-a case study at Öjebyn, Sweden
-
Bengtsson H., Öborn I., Jonsson S., Nilsson I., and Andersson A. Field balances of some mineral nutrients and trace elements in organic and conventional dairy farming-a case study at Öjebyn, Sweden. Eur. J. Agron. 20 (2003) 101-116
-
(2003)
Eur. J. Agron.
, vol.20
, pp. 101-116
-
-
Bengtsson, H.1
Öborn, I.2
Jonsson, S.3
Nilsson, I.4
Andersson, A.5
-
10
-
-
0037523451
-
N, P and K budgets for crop rotations on nine organic farms in the UK
-
Berry P.M., Stockdale E.A., Sylvester-Bradley R., Philipps L., Smith K.A., Lord E.I., Watson C.A., and Fortune S. N, P and K budgets for crop rotations on nine organic farms in the UK. Soil Use Manage. 19 (2003) 112-118
-
(2003)
Soil Use Manage.
, vol.19
, pp. 112-118
-
-
Berry, P.M.1
Stockdale, E.A.2
Sylvester-Bradley, R.3
Philipps, L.4
Smith, K.A.5
Lord, E.I.6
Watson, C.A.7
Fortune, S.8
-
11
-
-
0033490236
-
Potassium content in soil, uptake in plants and the potassium balance in three European long-term field experiments
-
Blake L., Mercik S., Koerschens M., Goulding K.W.T., Stempen S., Weigel A., Poulton P.R., and Powlson D.S. Potassium content in soil, uptake in plants and the potassium balance in three European long-term field experiments. Plant Soil 216 (1999) 1-14
-
(1999)
Plant Soil
, vol.216
, pp. 1-14
-
-
Blake, L.1
Mercik, S.2
Koerschens, M.3
Goulding, K.W.T.4
Stempen, S.5
Weigel, A.6
Poulton, P.R.7
Powlson, D.S.8
-
12
-
-
33750027995
-
Modelling representative and coherent Danish farm types based on farm accountancy data for use in environmental assessments
-
Dalgaard R., Halberg N., Kristensen I.S., and Larsen I. Modelling representative and coherent Danish farm types based on farm accountancy data for use in environmental assessments. Agric. Ecosyst. Environ. 117 (2006) 223-237
-
(2006)
Agric. Ecosyst. Environ.
, vol.117
, pp. 223-237
-
-
Dalgaard, R.1
Halberg, N.2
Kristensen, I.S.3
Larsen, I.4
-
13
-
-
0001108187
-
Untersuchungen über die chemische Bodenanalyse als Grundlage für die Beurteilung des Nährstoffzustandes der Böden. II. Chemische Extraktionsmethoden zur Phosphor- und Kaliumbestimmung
-
Egnér H., Riehm H., and Domingo W.R. Untersuchungen über die chemische Bodenanalyse als Grundlage für die Beurteilung des Nährstoffzustandes der Böden. II. Chemische Extraktionsmethoden zur Phosphor- und Kaliumbestimmung. Kungliga Lantbrukshögskolans Annaler 26 (1960) 199-215
-
(1960)
Kungliga Lantbrukshögskolans Annaler
, vol.26
, pp. 199-215
-
-
Egnér, H.1
Riehm, H.2
Domingo, W.R.3
-
14
-
-
0001643885
-
Comparisons between conventional and ecological farming systems at Öjebyn - Nutrient flows and balances
-
Fagerberg B., Salomon E., and Jonsson S. Comparisons between conventional and ecological farming systems at Öjebyn - Nutrient flows and balances. Swed. J. Agric. Res. 26 (1996) 169-180
-
(1996)
Swed. J. Agric. Res.
, vol.26
, pp. 169-180
-
-
Fagerberg, B.1
Salomon, E.2
Jonsson, S.3
-
15
-
-
34447345348
-
-
FAO, 1990. Guidelines for soil description. 3rd ed. Soil Resources, Management and Conservation Service, Land and Water Development Division, FAO-ISRIC, Rome, 70 pp.
-
-
-
-
16
-
-
0036978508
-
Mineral balances for the use of phosphorus and other nutrients by agriculture in Northern Ireland from 1925 to 2000-methodology, trends and impacts of losses to water
-
Foy R.H., Bailey J.S., and Lennox S.D. Mineral balances for the use of phosphorus and other nutrients by agriculture in Northern Ireland from 1925 to 2000-methodology, trends and impacts of losses to water. Irish J. Agric. Res. 41 (2002) 247-264
-
(2002)
Irish J. Agric. Res.
, vol.41
, pp. 247-264
-
-
Foy, R.H.1
Bailey, J.S.2
Lennox, S.D.3
-
17
-
-
34447300667
-
-
Gen Stat 8.1, 2005. Lawes Agricultural Trust (Rothamsted Experimental Station). Eighth Edition.
-
-
-
-
18
-
-
0000485422
-
State and content of potassium in three Swedish soils as affected by cropping and potassium application
-
Ghorayshi M., and Lotse E.G. State and content of potassium in three Swedish soils as affected by cropping and potassium application. Swed. J. Agric. Res. 16 (1986) 143-151
-
(1986)
Swed. J. Agric. Res.
, vol.16
, pp. 143-151
-
-
Ghorayshi, M.1
Lotse, E.G.2
-
19
-
-
0022928437
-
The classification and mapping of potassium reserves in soils of England and Wales
-
Goulding K.W.T., and Loveland P.J. The classification and mapping of potassium reserves in soils of England and Wales. J. Soil Sci. 37 (1986) 555-565
-
(1986)
J. Soil Sci.
, vol.37
, pp. 555-565
-
-
Goulding, K.W.T.1
Loveland, P.J.2
-
20
-
-
0345133257
-
Fluxes of K, P, and Zn in a conventional and an organic dairy farming system through feed, animals, manure, and urine-a case study at Öjebyn, Sweden
-
Gustafson G.M., Salomon E., Jonsson S., and Steineck S. Fluxes of K, P, and Zn in a conventional and an organic dairy farming system through feed, animals, manure, and urine-a case study at Öjebyn, Sweden. Eur. J. Agron. 20 (2003) 89-99
-
(2003)
Eur. J. Agron.
, vol.20
, pp. 89-99
-
-
Gustafson, G.M.1
Salomon, E.2
Jonsson, S.3
Steineck, S.4
-
21
-
-
34447294784
-
-
Haak, E., 1981. Nutrient uptake from Subsoil by Cereals. In: Agricultural yield potentials in continental climates. Proceedings of the 16th Colloquium of the International Potash Institute (IPI), Bern. IPI, Schneidergasse 27, PO Box 1609 CH4001 Basel Switzerland, pp. 87-94.
-
-
-
-
22
-
-
0022221871
-
Soil Structure and Potassium Supply. 2. The Effect of Ped Size and Root Density on the Supply to Plants of Exchangeable and Non-Exchangeable Potassium from A Chalky Boulder Clay Soil
-
Heming S.D., and Rowell D.L. Soil Structure and Potassium Supply. 2. The Effect of Ped Size and Root Density on the Supply to Plants of Exchangeable and Non-Exchangeable Potassium from A Chalky Boulder Clay Soil. J. Soil Sci. 36 (1985) 61-69
-
(1985)
J. Soil Sci.
, vol.36
, pp. 61-69
-
-
Heming, S.D.1
Rowell, D.L.2
-
23
-
-
0033506086
-
Use of an air-brush to spray dry samples for X-ray powder diffraction
-
Hillier S. Use of an air-brush to spray dry samples for X-ray powder diffraction. Clay Miner. 34 (1999) 127-135
-
(1999)
Clay Miner.
, vol.34
, pp. 127-135
-
-
Hillier, S.1
-
24
-
-
1842710168
-
Quantitative analysis of clay and other minerals in sandstones by X-ray powder diffraction (XRPD)
-
Hillier S. Quantitative analysis of clay and other minerals in sandstones by X-ray powder diffraction (XRPD). Int. Assoc. Sedimentologists Special Publications 34 (2003) 213-251
-
(2003)
Int. Assoc. Sedimentologists Special Publications
, vol.34
, pp. 213-251
-
-
Hillier, S.1
-
25
-
-
33744938140
-
Comparison of partial and complete soil K budgets under intensive rice cropping in the Mekong Delta, Vietnam
-
Hoa N.M., Janssen B.H., Oenema O., and Dobermann A. Comparison of partial and complete soil K budgets under intensive rice cropping in the Mekong Delta, Vietnam. Agric. Ecosyst. Environ. 116 (2006) 121-131
-
(2006)
Agric. Ecosyst. Environ.
, vol.116
, pp. 121-131
-
-
Hoa, N.M.1
Janssen, B.H.2
Oenema, O.3
Dobermann, A.4
-
26
-
-
0345564800
-
Application of the PROFILE model to estimate potassium release from mineral weathering in Northern European agricultural soils
-
Holmqvist J., Øgaard A.F., Öborn I., Edwards A.C., Mattsson L., and Sverdrup H. Application of the PROFILE model to estimate potassium release from mineral weathering in Northern European agricultural soils. Eur. J. Agron. 20 (2003) 149-163
-
(2003)
Eur. J. Agron.
, vol.20
, pp. 149-163
-
-
Holmqvist, J.1
Øgaard, A.F.2
Öborn, I.3
Edwards, A.C.4
Mattsson, L.5
Sverdrup, H.6
-
27
-
-
34447340873
-
-
Ivarson, J., Gunnarsson, A., 2001. Försök med konventionella och ekologiska odlingsformer 1987-1998. Meddelanden från södrajordbruksdistriktet. Nr 53. Swedish University of Agricultural Sciences (SLU), Alnarp (In Swedish), 164 pp.
-
-
-
-
28
-
-
34447333340
-
-
Johnston, A.E., 2003. Understanding potassium and its use in agriculture. European Fertilizer Manufacturers' Association.
-
-
-
-
29
-
-
34447330101
-
-
Krauss, A., 2003. Assessing soil potassium in view of contemporary crop production [August 2006]. http://www.ipipotash.org/presentn/aspivoccp.html#contents.
-
-
-
-
30
-
-
34447341142
-
-
KRAV, 2006. Standards for KRAV (organic) certified production [August 2006]. http://www.krav.se/kravsregler.asp.
-
-
-
-
31
-
-
51249174684
-
Importance of the subsoil for the K-nutrition of crops
-
Kuhlmann H. Importance of the subsoil for the K-nutrition of crops. Plant Soil 127 (1990) 129-136
-
(1990)
Plant Soil
, vol.127
, pp. 129-136
-
-
Kuhlmann, H.1
-
32
-
-
34447316958
-
-
Ljung, G. 1987. Mekanisk analys. Beskrivning av en rationell metod för jordartsbestämning. Avdelningsmeddelande 87:2. Inst för Markvetenskap, Avd för lantbrukets hydroteknik. Sveriges Lantbruksuniversitet. Uppsala (in Swedish).
-
-
-
-
34
-
-
33947670550
-
FARMFLOW-a dynamic model for phosphorous mass flow, simulating conventional and organic management of a Swedish dairy farm
-
Modin-Edman A.-K., Öborn I., and Sverdrup H. FARMFLOW-a dynamic model for phosphorous mass flow, simulating conventional and organic management of a Swedish dairy farm. Agric. Syst. 94 (2007) 431-444
-
(2007)
Agric. Syst.
, vol.94
, pp. 431-444
-
-
Modin-Edman, A.-K.1
Öborn, I.2
Sverdrup, H.3
-
35
-
-
34447305979
-
-
NMKL, 1998. Metals. Determination by atomic absorption spectrophotometry after wet digestion in a microwave oven. Nordic Committee on Food Analysis (NMKL) Report 161. NMKL, National Veterinary Institute, P.O. Box 8156, N-0033 Oslo, Norway.
-
-
-
-
36
-
-
34447327193
-
Do we risk nutrient imbalances in organic dairy production?
-
Steiness E. (Ed), The Norwegian Academy of Science and Letters, Oslo
-
Öborn I. Do we risk nutrient imbalances in organic dairy production?. In: Steiness E. (Ed). Geomedical Aspects of Organic Farming (2004), The Norwegian Academy of Science and Letters, Oslo 71-83
-
(2004)
Geomedical Aspects of Organic Farming
, pp. 71-83
-
-
Öborn, I.1
-
37
-
-
0345526507
-
Element balances as a tool for sustainable nutrient management: a critical appraisal of their merits and limitations within an agronomic and environmental context
-
Öborn I., Edwards A.C., Witter E., Oenema O., Ivarsson K., Withers P.J.A., Nilsson S.I., and Stinzing A.R. Element balances as a tool for sustainable nutrient management: a critical appraisal of their merits and limitations within an agronomic and environmental context. Eur. J. Agron. 20 (2003) 211-225
-
(2003)
Eur. J. Agron.
, vol.20
, pp. 211-225
-
-
Öborn, I.1
Edwards, A.C.2
Witter, E.3
Oenema, O.4
Ivarsson, K.5
Withers, P.J.A.6
Nilsson, S.I.7
Stinzing, A.R.8
-
38
-
-
22344441688
-
A systems approach to assess farm scale nutrient and trace element dynamics. A case study at the Öjebyn dairy farm
-
Öborn I., Modin-Edman A.-K., Bengtsson H., Gustafson G.M., Salomon E., Nilsson S.I., Holmqvist J., Jonsson S., and Sverdrup H. A systems approach to assess farm scale nutrient and trace element dynamics. A case study at the Öjebyn dairy farm. Ambio 34 (2005) 301-310
-
(2005)
Ambio
, vol.34
, pp. 301-310
-
-
Öborn, I.1
Modin-Edman, A.-K.2
Bengtsson, H.3
Gustafson, G.M.4
Salomon, E.5
Nilsson, S.I.6
Holmqvist, J.7
Jonsson, S.8
Sverdrup, H.9
-
39
-
-
23844556869
-
Critical aspects of potassium management in agricultural production systems
-
Öborn I., Andrist-Rangel Y., Askegaard M., Grant C.A., Watson C.A., and Edwards A.C. Critical aspects of potassium management in agricultural production systems. Soil Use Manage. 21 (2005) 102-112
-
(2005)
Soil Use Manage.
, vol.21
, pp. 102-112
-
-
Öborn, I.1
Andrist-Rangel, Y.2
Askegaard, M.3
Grant, C.A.4
Watson, C.A.5
Edwards, A.C.6
-
40
-
-
0001831743
-
Uncertainties in nutrient budgets due to biases and errors
-
Smaling E.M.A., Oenema O., and Fresco L.O. (Eds), CABI Publishing, Wallingford, UK
-
Oenema O., and Heinen M. Uncertainties in nutrient budgets due to biases and errors. In: Smaling E.M.A., Oenema O., and Fresco L.O. (Eds). Nutrient Disequilibria in Agroecosystems-Concepts and Case Studies (1999), CABI Publishing, Wallingford, UK
-
(1999)
Nutrient Disequilibria in Agroecosystems-Concepts and Case Studies
-
-
Oenema, O.1
Heinen, M.2
-
42
-
-
34447318317
-
-
Persson, C., Ressner, E., Klein, T., 2004. Nationell miljöövervakning - MATCH Sverige modellen. Metod- och resultatsammanställning för åren 1999-2002 samt diskussion av osäkerheter, trender och miljömål. SMHI-rapport nr 113. SMHI, Norrköping (in Swedish).
-
-
-
-
43
-
-
77950175805
-
Soil potassium
-
Reitemeier R.F. Soil potassium. Adv. Agron. 3 (1951) 113-164
-
(1951)
Adv. Agron.
, vol.3
, pp. 113-164
-
-
Reitemeier, R.F.1
-
44
-
-
0034836050
-
Potassium supplying power of a Typic Ustochrept profile using quantity/intensity technique in a long-term fertilized plot
-
Rupa T.R., Srivastava S., Swarup A., and Singh D. Potassium supplying power of a Typic Ustochrept profile using quantity/intensity technique in a long-term fertilized plot. J. Agric. Sci. 137 (2001) 195-203
-
(2001)
J. Agric. Sci.
, vol.137
, pp. 195-203
-
-
Rupa, T.R.1
Srivastava, S.2
Swarup, A.3
Singh, D.4
-
45
-
-
34447302806
-
-
SCB, 2005a. Yearbook of Agricultural Statistics 2005 (including Food Statistics). Official Statistics of Sweden, Statistics Sweden (SCB), Örebro.
-
-
-
-
46
-
-
34447314700
-
-
SCB, 2005b. Ekologisk växtnäringsundersökning 2003 (EVU), Beskrivning och kvalitetsdeklaration, Statistics Sweden (SCB), Örebro (In Swedish).
-
-
-
-
47
-
-
0030984505
-
Short-term release and fixation of K in calcareous clay soils. Consequence for K buffer power prediction
-
Schneider A. Short-term release and fixation of K in calcareous clay soils. Consequence for K buffer power prediction. Eur. J. Soil Sci. 48 (1997) 499-512
-
(1997)
Eur. J. Soil Sci.
, vol.48
, pp. 499-512
-
-
Schneider, A.1
-
48
-
-
34249714687
-
-
Simonsson, M., Andersson, S., Andrist-Rangel, Y., Hillier, S., Mattsson, L., Öborn, I., 2007. Potassium release and fixation as a function of fertilizer application rate and soil parent material. Geoderma (under revision).
-
-
-
-
49
-
-
84984420040
-
Availability of potassium to ryegrass from Scottish Soils. I. Effects of intensive cropping on potassium parameters
-
Sinclair A.H. Availability of potassium to ryegrass from Scottish Soils. I. Effects of intensive cropping on potassium parameters. J. Soil Sci. 30 (1979) 757-773
-
(1979)
J. Soil Sci.
, vol.30
, pp. 757-773
-
-
Sinclair, A.H.1
-
50
-
-
84984499612
-
Availability of potassium to ryegrass from Scottish Soils. II. Uptake of initially non-exchangeable potassium
-
Sinclair A.H. Availability of potassium to ryegrass from Scottish Soils. II. Uptake of initially non-exchangeable potassium. J. Soil Sci. 30 (1979) 775-783
-
(1979)
J. Soil Sci.
, vol.30
, pp. 775-783
-
-
Sinclair, A.H.1
-
51
-
-
0031460771
-
Changes with time in the potassium content and phyllosilicates in the soil of the Broadbalk continuous wheat experiment at Rothamsted
-
Singh B., and Goulding K.W.T. Changes with time in the potassium content and phyllosilicates in the soil of the Broadbalk continuous wheat experiment at Rothamsted. Eur. J. Soil Sci. 48 (1997) 651-659
-
(1997)
Eur. J. Soil Sci.
, vol.48
, pp. 651-659
-
-
Singh, B.1
Goulding, K.W.T.2
-
52
-
-
0036073891
-
Potassium balance and release kinetics under continuous rice-wheat cropping system in Vertisol
-
Singh M., Singh V.P., and Reddy D.D. Potassium balance and release kinetics under continuous rice-wheat cropping system in Vertisol. Field Crop Res. 77 (2002) 81-91
-
(2002)
Field Crop Res.
, vol.77
, pp. 81-91
-
-
Singh, M.1
Singh, V.P.2
Reddy, D.D.3
-
53
-
-
34447324881
-
-
SIS, 1993. Soil analysis - extraction and determination of phosphorous, potassium, calcium, magnesium and sodium from soils with ammonium lactate/acetic acid solution, SS 02 83 10. Swedish Standards Institute, P.O. Box 3295, SE-103 66 Stockholm, Sweden.
-
-
-
-
54
-
-
0031755967
-
Twenty-five years of monitoring pH and nutrient status of soils in England and Wales
-
Skinner R.J., and Todd A.D. Twenty-five years of monitoring pH and nutrient status of soils in England and Wales. Soil Use Manage. 14 (1998) 162-169
-
(1998)
Soil Use Manage.
, vol.14
, pp. 162-169
-
-
Skinner, R.J.1
Todd, A.D.2
-
55
-
-
0003570859
-
-
CAB International, Wallingford, UK
-
Smaling E.M.A., Oenema O., and Fresco L.O. Nutrient Disequilibria in Agroecosystems: Concepts and Case Studies (1999), CAB International, Wallingford, UK
-
(1999)
Nutrient Disequilibria in Agroecosystems: Concepts and Case Studies
-
-
Smaling, E.M.A.1
Oenema, O.2
Fresco, L.O.3
-
56
-
-
85103048985
-
Physical chemistry of soil potassium
-
Munson R.D. (Ed), American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America, Madison, Wisconsin
-
Sparks D.L., and Huang P.M. Physical chemistry of soil potassium. In: Munson R.D. (Ed). Potassium in Agriculture (1985), American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America, Madison, Wisconsin 201-276
-
(1985)
Potassium in Agriculture
, pp. 201-276
-
-
Sparks, D.L.1
Huang, P.M.2
-
57
-
-
34447344454
-
-
Spörndly, R., 2001. Betydelsen av mineralämnen och spårelement i vallfoder. VäxtEko. Swedish Board of Agriculture (SJV), Jönköping (In Swedish).
-
-
-
-
58
-
-
84973001646
-
A new extraction method for estimation of plant-available P, K and Mg
-
Ståhlberg S. A new extraction method for estimation of plant-available P, K and Mg. Acta Agric. Scand. 30 (1980) 93-107
-
(1980)
Acta Agric. Scand.
, vol.30
, pp. 93-107
-
-
Ståhlberg, S.1
-
60
-
-
34447324339
-
-
SJV, 2004. Riktlinjer för gödsling och kalkning 2004. Swedish Board of Agriculture (SJV), Jönköping (In Swedish).
-
-
-
-
61
-
-
34447343056
-
-
Swedish Environmental Protection Agency, 2006. Åkermarkens kvalitet [August 2006]. http://www.naturvardsverket.se/index.php3?main=/dokument/lagar/bedgrund/ odling/odldok/mark.html.
-
-
-
-
62
-
-
0000298148
-
Effect of potassium removal by crops on transformation of Illitic clay-minerals
-
Tributh H., Vonboguslawski E., Vonlieres A., Steffens D., and Mengel K. Effect of potassium removal by crops on transformation of Illitic clay-minerals. Soil Sci. 143 (1987) 404-409
-
(1987)
Soil Sci.
, vol.143
, pp. 404-409
-
-
Tributh, H.1
Vonboguslawski, E.2
Vonlieres, A.3
Steffens, D.4
Mengel, K.5
-
63
-
-
0032464426
-
Biogeochemistry and weathering in a forest catchment and an arable field in central Sweden
-
Ulén B., and Snäll S. Biogeochemistry and weathering in a forest catchment and an arable field in central Sweden. Acta Agric. Scand., Sect. B Soil Plant Sci. 48 (1998) 201-211
-
(1998)
Acta Agric. Scand., Sect. B Soil Plant Sci.
, vol.48
, pp. 201-211
-
-
Ulén, B.1
Snäll, S.2
-
64
-
-
0033058480
-
Using nitrogen budgets to indicate nitrogen use efficiency and losses from whole farm systems: a comparison of three methodological approaches
-
Watson C.A., and Atkinson D. Using nitrogen budgets to indicate nitrogen use efficiency and losses from whole farm systems: a comparison of three methodological approaches. Nutr. Cycl. Agroecosyst. 53 (1999) 259-267
-
(1999)
Nutr. Cycl. Agroecosyst.
, vol.53
, pp. 259-267
-
-
Watson, C.A.1
Atkinson, D.2
-
65
-
-
0036742650
-
A review of farm-scale nutrient budgets for organic farms as a tool for management of soil fertility
-
Watson C.A., Bengtsson H., Ebbesvik M., Loes A.K., Myrbeck A., Salomon E., Schroder J., and Stockdale E.A. A review of farm-scale nutrient budgets for organic farms as a tool for management of soil fertility. Soil Use Manage. 18 (2002) 264-273
-
(2002)
Soil Use Manage.
, vol.18
, pp. 264-273
-
-
Watson, C.A.1
Bengtsson, H.2
Ebbesvik, M.3
Loes, A.K.4
Myrbeck, A.5
Salomon, E.6
Schroder, J.7
Stockdale, E.A.8
-
66
-
-
33748943711
-
Nutrient elements in grassland
-
CABI Publishing, Wallingford
-
Whitehead D.C. Nutrient elements in grassland. Soil-Plant-Animal Relationships (2000), CABI Publishing, Wallingford
-
(2000)
Soil-Plant-Animal Relationships
-
-
Whitehead, D.C.1
-
67
-
-
0035193628
-
Potassium uptake from the subsoil by green manure crops
-
Witter E., and Johansson G. Potassium uptake from the subsoil by green manure crops. Biol. Agric. Hort. 19 (2001) 127-141
-
(2001)
Biol. Agric. Hort.
, vol.19
, pp. 127-141
-
-
Witter, E.1
Johansson, G.2
|