000
00255nam a2200109Ia 4500
008
151015s9999 xx 000 0 und d
245
_a
Organics material as fertilizer
260
_c
1975
300
_a
394 p.
500
_a
Soil bulletin
942
_c
FAO
_2
udc
999
_c
25298
_d
25298