共 10 条
[1]
AUGSTBURGER F, 1982, S ECOLOGY NATURAL RE
[2]
BAPTISTA P, 1982, S ECOLOGY NATURAL RE
[3]
COCHRANE TT, 1973, POTENCIAL AGRICOLA U
[4]
ELLENBERG H, 1981, DESSARROLLAR SIN DES
[5]
HOLDRIDGE L, 1975, MAPA ECOLOGICO BOLIV
[6]
KAHNT G, 1977, IFOAM INT C SISSACH
[7]
WERNER F, 1946, SCHWEIZERISCHE LANDW
[8]
1982, SEMINARIO AGRICOLA M
[9]
1982, PRINCIPALES PRODUCTO
[10]
1980, FERTILIZER MANUAL