1. Biological nitrogen fixation and sustainability of tropical agriculture : proceedings of the Fourth International Conference of the African Association for Biological Nitrogen Fixation )AABNF(, held at the International Institute of Tropical Agriculture )IITA(, Ibadan, Nigeria, 24-28 September 1990
پدیدآورنده : edited by K. Mulongoy, M. Gueye, and D.S.C. Spencer
کتابخانه: المکتبه المرکزيه ومرکز التوثیق بجامعة الشهید باهنر فی کرمان (کرمان)
موضوع : Tropics - Congresses ، Nitrogen in agriculture,Africa - Congresses ، Nitrogen in agriculture,Congresses ، Nitrogen - Fixation,Tropics - Congresses ، Nitrogen-fixing plants,Africa - Congresses ، Nitrogen-fixing plants,Tropics - Congresses ، Cropping systems,Africa - Congresses ، Cropping systems,Tropics - Congresses ، Sustainable agriculture,Africa - Congresses ، Sustainable agriculture
رده :
S
587
.
5
.
N5
A36
1990
2. Management of biological nitrogen fixation for the development of more productive and sustainable agricultural systems
پدیدآورنده : edited by J.K. Ladha and M.B. Peoples,Title
کتابخانه: كتابخانه مركزي دانشگاه بين المللي امام خميني (ره) قزوين (قزوین)
موضوع : Nitrogen in agriculture, Congresses,Nitrogen, Fixation, Congresses,Cropping systems, Congresses,Sustainable agriculture, Congresses
رده :
S
.
N5
,
S95
587
.
5
1994
