Crop protection in organic and low imput agriculture. Options for reducing agrochemical usage. Proceedings of a symposium organised by the British crop protection council held at Churchill College Cambridge U.K. 4th-6th September 1990
Autor principal: | Unwin, R. |
---|---|
Formato: | Libro |
Lenguaje: | English |
Publicado: |
Farham (U.K.) :
,
1990
|
Colección: | BCPC Monograph (U.K.)
|
Materias: |
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