Biological control in crop production.

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Ngā kaituhi rangatōpū: Beltsville Agricultural Research Center, BARC Symposium V Committee
Ētahi atu kaituhi: Papavizas, George Constantine, 1922-
Hōputu: Pukapuka
Reo:Ingarihi
I whakaputaina: Totowa, New Jersey : Allanheld, Osmun, 1981.
Rangatū:Beltsville symposia in agricultural research.
Ngā marau:
Plants, Protection of.
Pests > Control > Biological control.
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