Changes in soil fertility status of maize-wheat system due to long-term use of chemical fertilizers and amendments in an alfisol
Verma, G., Sharma, R.P., Sharma, S.P., Subehia, S.K., Shambhavi, S.Volume:
58
Journal:
Plant, Soil and Environment
DOI:
10.17221/133/2012-pse
Date:
November, 2012
File:
PDF, 481 KB
2012