Investigations into the use of a trap crop to protect cotton from attack by lygu
Stride, G.O.
Investigations into the use of a trap crop to protect cotton from attack by lygu - London 1970 - 467-477 p. - No. 79; Cotton Research Corpor .
Investigations into the use of a trap crop to protect cotton from attack by lygu - London 1970 - 467-477 p. - No. 79; Cotton Research Corpor .