Contributions on the efficient nodulation of soyabean depending on pedoclimatic conditions, nitrogen fertilizer rates and other factors.N. Balan, I. Tîmpeanu, M. Les et al.|Unknown|1980Cited by 0
Effect of fertilizer on some maize hybrids grown on different types of soil in Romania.C. Hera, L. Damian, M. Sîrbu et al.|Unknown|1970Cited by 0