Weed control strategies for coffee in Papua New Guinea : smallholders, shade, socio-economic and other factors /

по Silva, N. T. M. H. de
Опубликовано 1987

Weed ecology : implications for management /

по Radosevich, Steven R.
Опубликовано 1997

Weed ecology : implications for vegetation management /

по Radosevich, Steven R.
Опубликовано 1984

Weeds and weed management on arable land : an ecological approach /

по Håkansson, Sigurd, 1928-
Опубликовано 2003

Westcott's plant disease handbook /

по Westcott, Cynthia, 1898-
Опубликовано 2008

Xanthomonas /

Опубликовано 1993