Search Results - Hewitt, M.V

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  1. 1
    The Broadbalk long-term experiment at Rothamsted: what has it told us about weeds?

    The Broadbalk long-term experiment at Rothamsted: what has it told us about weeds? by Moss, Stephen R., Storkey, Jonathan, Cussans, John W., Perryman, Sarah A. M., Hewitt, Michael V.

    Published in Weed science
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  2. 2
    Effects of one to six year old ryegrass-clover leys on soil nitrogen and on the subsequent yields and fertilizer nitrogen requirements of the arable sequence winter wheat, potatoes, winter wheat, winter beans (Vicia faba) grown on a sandy loam soil

    Effects of one to six year old ryegrass-clover leys on soil nitrogen and on the subsequent yields and fertilizer nitrogen requirements of the arable sequence winter wheat, potatoes... by Johnston, A. E., McEwen, J., Lane, P. W., Hewitt, M. V., Poulton, P. R., Yeoman, D. P.

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  3. 3
    Effects of field beans, fallow, lupins, oats, oilseed rape, peas, ryegrass, sunflowers and wheat on nitrogen residues in the soil and on the growth of a subsequent wheat crop

    Effects of field beans, fallow, lupins, oats, oilseed rape, peas, ryegrass, sunflowers and wheat on nitrogen residues in the soil and on the growth of a subsequent wheat crop by McEwen, J., Darby, R. J., Hewitt, M. V., Yeoman, D. P.

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  4. 4
    Comparisons between the establishment, growth and yield of winter wheat on three clay soils, in experiments testing nitrogen fertilizers in combination with aphicide and fungicides, from 1980 to 1982

    Comparisons between the establishment, growth and yield of winter wheat on three clay soils, in experiments testing nitrogen fertilizers in combination with aphicide and fungicides... by Darby, R.J, Widdowson, F.V, Hewitt, M.V

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  5. 5
    Amounts of NO3-N and NH4-N in soil, from autumn to spring, under winter wheat and their relationship to soil type, sowing date, previous crop and N uptake at Rothamsted, Woburn and Saxmundham, 1979–85

    Amounts of NO3-N and NH4-N in soil, from autumn to spring, under winter wheat and their relationship to soil type, sowing date, previous crop and N uptake at Rothamsted, Woburn and... by Widdowson, F. V., Penny, A., Darby, R. J., Bird, E., Hewitt, M. V.

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  6. 6
    Effects of soil and fertilizer P on yields of potatoes, sugar beet, barley and winter wheat on a sandy clay loam soil at Saxmundham, Suffolk

    Effects of soil and fertilizer P on yields of potatoes, sugar beet, barley and winter wheat on a sandy clay loam soil at Saxmundham, Suffolk by Johnston, A. E., Lane, P. W., Mattingly, G. E. G., Poulton, P. R., Hewitt, M. V.

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  7. 7
    comparison of the effects of prilled urea, used alone or with a nitrification or urease inhibitor, with those of 'Nitro-Chalk' on winter oil-seed rape

    comparison of the effects of prilled urea, used alone or with a nitrification or urease inhibitor, with those of 'Nitro-Chalk' on winter oil-seed rape by Rodgers, G.A, Penny, A, Hewitt, M.V

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  8. 8
    Tests of nitrification and of urease inhibitors, when applied with either solid or aqueous urea, on grass grown on a light sandy soil

    Tests of nitrification and of urease inhibitors, when applied with either solid or aqueous urea, on grass grown on a light sandy soil by Rodgers, G. A., Penny, A., Widdowson, F. V., Hewitt, M. V.

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  9. 9
    The relationship of soil mineral NO3-N with stem NO3-N concentration, and of fertilizer-N with the amount of nitrogen taken up by winter wheat, in experiments testing nitrogen fertilizer in combination with aphicide and fungicides, from 1980 to 1982

    The relationship of soil mineral NO3-N with stem NO3-N concentration, and of fertilizer-N with the amount of nitrogen taken up by winter wheat, in experiments testing nitrogen fert... by Darby, R. J., Widdowson, F. V., Bird, E., Hewitt, M. V.

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  10. 10
    Comparison of the effects of aqueous and of prilled urea, used alone or with urease or nitrification inhibitors, with those of ‘Nitro-Chalk’ on ryegrass leys

    Comparison of the effects of aqueous and of prilled urea, used alone or with urease or nitrification inhibitors, with those of ‘Nitro-Chalk’ on ryegrass leys by Rodgers, G. A., Widdowson, F. V., Penny, A., Hewitt, M. V.

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  11. 11
    Results from an experiment on permanent grass evaluating the cumulative effects of aqueous urea, injected alone or with a nitrification inhibitor, with those of ‘Nitro-Chalk’

    Results from an experiment on permanent grass evaluating the cumulative effects of aqueous urea, injected alone or with a nitrification inhibitor, with those of ‘Nitro-Chalk’ by Ashworth, J., Widdowson, F. V., Penny, A., Gibbs, A. J., Hodgkinson, R. A., Hewitt, M. V.

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