Zobrazeno 1 - 10
of 33
pro vyhledávání: '"E. G. Hallsworth"'
Autor:
R. C. Dalal, E. G. Hallsworth
Publikováno v:
Soil Science Society of America Journal. 40:541-546
Autor:
E. G. Hallsworth
Publikováno v:
Interdisciplinary Science Reviews. 7:188-193
Autor:
E. G. Hallsworth, R. C. Dalal
Publikováno v:
Soil Science Society of America Journal. 41:81-86
The applicability of various techniques to measure isotopically exchangeable phosphorus for widely different soils was investigated. The E-values obtained in the laboratory by carrier-free (E-value) and carrier-methods (Ec value) were comparable to L
Autor:
E. G. Hallsworth
Publikováno v:
Interdisciplinary Science Reviews. 7:188-193
The loss of productive soil in the world was first brought to the attention of the international community at the Environment Conference in Stockholm, 1972. Subsequent discussions have led to the suggestion that the slow rate of transfer to the devel
Publikováno v:
Journal of Soil Science. 3:89-102
Autor:
E. A. N. Greenwood, E. G. Hallsworth
Publikováno v:
Plant and Soil. 12:97-127
Autor:
E. G. Hallsworth, H. D. Waring
Publikováno v:
Journal of Soil Science. 15:158-177
Publikováno v:
Journal of Soil Science. 6:1-31
Publikováno v:
Plant and Soil. 22:323-336
In recent years the in terac t ion of one nu t r ien t element on the up take of another has a t t r ac t ed an increasing at tent ion. In the case of those elements required only in t race quanti t ies, as const i tuents of enzyme systems, the probl
Autor:
E. A. N. Greenwood, E. G. Hallsworth
Publikováno v:
Plant and Soil. 9:305-317
The numbers of nodules developing on the roots ofT. subterraneum increased with increase in the supply of nitrate nitrogen in the nutrient up to 1000 µM per litre. When the copper is supplied at 0.01 µM per litre, the weight of nodules that can be