-
1
-
-
4243603577
-
Agriculture and fertilizers in perspective: Their role in feeding the world, environmental challenges, are there alternatives?
-
Norsk Hydro, Oslo, Norway
-
Böokman, O., O. Kaarstad, O.H. Lie, and I.R. Richards. 1990. Agriculture and fertilizers in perspective: Their role in feeding the world, environmental challenges, are there alternatives? A report from the Agricultural Group, Norsk Hydro, Oslo, Norway.
-
(1990)
A Report from the Agricultural Group
-
-
Böokman, O.1
Kaarstad, O.2
Lie, O.H.3
Richards, I.R.4
-
4
-
-
0343573224
-
-
A study paper. EFMA, Brussels
-
European Fertilizer Manufacturers Association. 1991. Animal manure in Europe. A study paper. EFMA, Brussels.
-
(1991)
Animal Manure in Europe
-
-
-
5
-
-
0029361141
-
Phosphorus leaching from soils containing different phosphorus concentrations in the Broadhalk experiment
-
Heckrath, G., P.C. Brookes, P.R. Poulton, and K.W.T. Goulding. 1995. Phosphorus leaching from soils containing different phosphorus concentrations in the Broadhalk experiment. J. Environ. Qual. 24:904-910.
-
(1995)
J. Environ. Qual.
, vol.24
, pp. 904-910
-
-
Heckrath, G.1
Brookes, P.C.2
Poulton, P.R.3
Goulding, K.W.T.4
-
6
-
-
0342267785
-
-
International Fertilizer Industry Association, Paris
-
IFA. 1997. World fertiliser consumption statistics no. 28. International Fertilizer Industry Association, Paris.
-
(1997)
World Fertiliser Consumption Statistics
, vol.28
-
-
-
7
-
-
85046388750
-
Loss of phosphorus during sewage preparation
-
Jenkins, S.H., and W.T. Lockett. 1943. Loss of phosphorus during sewage preparation. Nature (London). 15:306.
-
(1943)
Nature (London)
, vol.15
, pp. 306
-
-
Jenkins, S.H.1
Lockett, W.T.2
-
8
-
-
0002265266
-
The rothamsted classical experiments
-
R.A. Leigh and A.E. Johnston (ed.). CAB International, Wallingford, UK
-
Johnston, A.E. 1994. The Rothamsted classical experiments. p. 9-37. In R.A. Leigh and A.E. Johnston (ed.) Long-term experiments in agricultural and ecological sciences. CAB International, Wallingford, UK.
-
(1994)
Long-term Experiments in Agricultural and Ecological Sciences
, pp. 9-37
-
-
Johnston, A.E.1
-
9
-
-
0342267784
-
Fertilizers and agriculture: Fifty years of developments and challenges
-
The Fertiliser Soc., York. UK
-
Johnston, A.E. 1997. Fertilizers and agriculture: Fifty years of developments and challenges. Proc. 396. The Fertiliser Soc., York. UK.
-
(1997)
Proc.
, vol.396
-
-
Johnston, A.E.1
-
10
-
-
0007820079
-
The behaviour of potash remaining in soils from the Agdell experiment on Rothamsted, the results of intensive cropping in pot experiments and their relation to soil analysis and the results of field experiments
-
Johnston, A.E., and J.D.D. Mitchell. 1974. The behaviour of potash remaining in soils from the Agdell experiment on Rothamsted, the results of intensive cropping in pot experiments and their relation to soil analysis and the results of field experiments. p. 74-97. In Rothamsted Exp. Stn. Rep. for 1973. Part 2.
-
(1974)
Rothamsted Exp. Stn. Rep. for 1973
, Issue.PART 2
, pp. 74-97
-
-
Johnston, A.E.1
Mitchell, J.D.D.2
-
11
-
-
0001293168
-
Effect of soil and fertiliser P on yields of potatoes, sugar beet, barley and winter wheat on a sandy clay loam soil at Saxmundham, Suffolk
-
Johnston, A.E., P.W. Lane, G.E.G. Mattingly, P.R. Poulton, and M.V. Hewitt. 1986. Effect of soil and fertiliser P on yields of potatoes, sugar beet, barley and winter wheat on a sandy clay loam soil at Saxmundham, Suffolk. J. Agric. Sci. (Cambridge). 106:155-167.
-
(1986)
J. Agric. Sci. (Cambridge)
, vol.106
, pp. 155-167
-
-
Johnston, A.E.1
Lane, P.W.2
Mattingly, G.E.G.3
Poulton, P.R.4
Hewitt, M.V.5
-
12
-
-
0002540769
-
The role of phosphorus in crop production and soil fertility: 150 years of field experiments at Rothamsted, UK
-
J.J. Schultz (ed.). IFDC, Muscle Shoals, AL
-
Johnston, A.E., and P.R. Poulton. 1992. The role of phosphorus in crop production and soil fertility: 150 years of field experiments at Rothamsted, UK. p.45-64. In J.J. Schultz (ed.) Phosphate fertilizers and the environment. IFDC, Muscle Shoals, AL.
-
(1992)
Phosphate Fertilizers and the Environment
, pp. 45-64
-
-
Johnston, A.E.1
Poulton, P.R.2
-
13
-
-
0008785541
-
-
The International Fertilizer Society, York, UK
-
Johnston, A.E., P.B. Barraclough, P.R. Poulton, and C.J. Dawson. 1998. Assessment of some spatially variable soil factors limiting crop yields. The International Fertilizer Society, York, UK.
-
(1998)
Assessment of Some Spatially Variable Soil Factors Limiting Crop Yields
-
-
Johnston, A.E.1
Barraclough, P.B.2
Poulton, P.R.3
Dawson, C.J.4
-
14
-
-
0342702985
-
Universal soils testing system
-
Morgan, M.F. 1935. Universal soils testing system. Connecticut Exp. Stn. Bull. 392:129-159.
-
(1935)
Connecticut Exp. Stn. Bull.
, vol.392
, pp. 129-159
-
-
Morgan, M.F.1
-
15
-
-
0001493009
-
A rational strategy for determining the number of cores for bulked sampling of soil
-
J.V. Stafford (ed.) Precision Agriculture '97, Warwick Univ., UK. Sept. 1997. Bios Sci. Publ., London
-
Oliver, M.A., Z. Frogbrook, R. Webster, and C.J. Dawson. 1997. A rational strategy for determining the number of cores for bulked sampling of soil. p. 155-162. In J.V. Stafford (ed.) Precision Agriculture '97, 1st European Conf. on Precision Agric., Warwick Univ., UK. Sept. 1997. Bios Sci. Publ., London.
-
(1997)
1st European Conf. on Precision Agric.
, pp. 155-162
-
-
Oliver, M.A.1
Frogbrook, Z.2
Webster, R.3
Dawson, C.J.4
-
16
-
-
0002151814
-
Estimation of available phosphorus in soils by extraction with sodium bicarbonate
-
USDA, Washington, DC
-
Olsen, S.R., C.V. Cole, F.S. Watanabe, and L.A. Dean. 1954. Estimation of available phosphorus in soils by extraction with sodium bicarbonate. USDA Circ. 939. USDA, Washington, DC.
-
(1954)
USDA Circ.
, vol.939
-
-
Olsen, S.R.1
Cole, C.V.2
Watanabe, F.S.3
Dean, L.A.4
-
17
-
-
0343826278
-
Some aspects of the eutrophication of water
-
Owens, M., and G. Wood. 1968. Some aspects of the eutrophication of water. Water Res. 2:151-159.
-
(1968)
Water Res.
, vol.2
, pp. 151-159
-
-
Owens, M.1
Wood, G.2
-
18
-
-
0343573206
-
The impact of fertiliser strategies on the phosphorus states of arable soils in England and Wales
-
H. Tunney et al. (ed.). CAB Int., Wallingford, UK
-
Salter, J.L., B. Higgs, and C.J. Dawson. 1997. The impact of fertiliser strategies on the phosphorus states of arable soils in England and Wales. p. 452-454 In H. Tunney et al. (ed.) Phosphorus loss from soil to water. CAB Int., Wallingford, UK..
-
(1997)
Phosphorus Loss from Soil to Water
, pp. 452-454
-
-
Salter, J.L.1
Higgs, B.2
Dawson, C.J.3
-
19
-
-
0002471993
-
A european fertiliser industry view on phosphorus retention and loss from agricultural soils
-
H. Tunney et al. (ed.). CAB International, Wallingford, UK
-
Steén, I. 1997. A European fertiliser industry view on phosphorus retention and loss from agricultural soils. p. 311-329. In H. Tunney et al. (ed.) Phosphorus loss from soil to water. CAB International, Wallingford, UK.
-
(1997)
Phosphorus Loss from Soil to Water
, pp. 311-329
-
-
Steén, I.1
-
20
-
-
0000256133
-
A note on the balance sheet approach to estimating the phosphorus fertiliser needs of agriculture
-
Tunney, H. 1990. A note on the balance sheet approach to estimating the phosphorus fertiliser needs of agriculture. I. J. Agric. Res. 29:149-154.
-
(1990)
I. J. Agric. Res.
, vol.29
, pp. 149-154
-
-
Tunney, H.1
-
21
-
-
0031350319
-
Rural development
-
The World Bank, Washington, DC
-
World Bank. 1997. Rural development. From vision to action - A sector strategy. The World Bank, Washington, DC.
-
(1997)
From Vision to Action - A Sector Strategy
-
-
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