References
- Arora , B. R. , Azad , A. S. , Singh , B. and Shekhon , G. S. 1985 . Pollution potential of municipal waste waters of Ludhiana . Punjab. Indian J. Ecol. , 12 : 1
- Dahiya , S. S. , Goyal , S. , Antil , R. S. and Karwasra , S. P. S. 1987 . Effect of farmyard manure and cadmium on the dry matter yield and nutrient uptake by maize . J. Indian Soc. Soil Sci. , 35 : 460
- Dahiya , S. S. and Singh , R. 1980 . Effect of farmyard manure and calcium carbonate on the dry matter yield and nutrient uptake by oats (Avena sativa) . Plant Soil. , 56 : 391
- Gupta , A. P. , Antil , R. S. and Narwal , R. P. 1988 . Effect of farmyard manure on organic carbon, available N and P content of soil during differnt periods of wheat growth . J. Indian Soc. Soil Sci. , 36 : 269
- Gupta , A. P. , Antil , R. S. and Singh , A. Composition of some sewer waters and their effect on soil properties . Proc. Natl. Semin. Environmental Pollution Control and Monitoring . pp. 419
- Haghiri , F. 1974 . Plant uptake of cadmium as influenced by cation exchange capacity, organic matter, zinc and soil temperature . J. Environ. Qual. , 3 : 180
- Halstead , R. L. , Finn , B. J. and MacLean , A. J. 1969 . Extractability of nickel added to soil and its concentration in plants . Can. J. Soil Sci. , 49 : 334
- Hesse , P. R. 1971 . A Text Book of Soil Chemical Analysis , London : William Clowes & Sons, Beceles & Colchester .
- Koenig , R. A. and Johnson , C. R. 1942 . Colorimeteric determination of phosphorus in biological materials . Ind. Eng. Chem. (Anal. Ed.). , 14 : 155
- Larson , W. E. , Gilley , J. R. and Linden , D. R. 1975 . Consequences of waste disposal on land . Soil Water Conserv. , 2 : 68
- Lindner , R. C. 1944 . Rapid analytical method for the more common inorganic constituents of plant tissues . Plant Physiol. , 19 : 76
- Schnitzer , M. and Skinner , S. I. M. 1967 . Organo‐metallic interactions in soils. VII. Stability constants of Pb2+‐, Ni2+‐, Mn2+‐, Co2+‐, Ca2+‐, and Mg2+‐fulvic acid complexes . Soil Sci. , 103 : 247
- Panse , V. G. and Sukhatme , P. V. 1978 . Statistical methods for agricultural workers , New Delhi : Indian Council of Agricultural Research .
- Semeni , A. M. , Maftoun , M. and Bassigi , A. 1987 . Responses of tomato and sweet corn to different cadmium levels in calcareous soils . J. Hortic. Sci. , 62 : 227
- Willaert , G. and Virloo , M. 1988 . Biological effects of nickel species and their determination in plant and soil . Plant Soil. , 107 : 285