![](/img/cover-not-exists.png)
Long-term effects of NPK fertiliser and manure on soil fertility and a sorghum–wheat farming system
Manna, M. C., Swarup, A., Wanjari, R. H., Ravankar, H. N.Volume:
47
Year:
2007
Language:
english
Journal:
Australian Journal of Experimental Agriculture
DOI:
10.1071/ea05105
File:
PDF, 241 KB
english, 2007