2019-09-032019-09-032009Viable Alternatives to the Rice-Wheat Cropping System in Punjab / B. S. Kang, Kuldeep Singh, Rattan Lal, Singh Dhanwinder, Garg B. R. // Journal of Crop Improvement. – 2009. – Vol. 23 – P. 300-318.enAttribution-NonCommercial-NoDerivatives 4.0 InternationalSoluriPedologieCulturi cerealiereOrezGrâuArticle