1. Food and Agriculture Organization of the unitedNation. China: azolle propagation and small-scale biogas technology: report on an FAO/UNdp study tour to the people'srepublic of China, 21 May-11 Gune 1978
پدیدآورنده :
کتابخانه: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
موضوع : Producers ، Gas,، Methane,، Farmanure,، Azolla pinnata,China ، Azolla as fertilizer
رده :
TP
762
.
F66
1979
