No title
Helyer, Neil.
A colour handbook of biological control in plant protection / Neil Helyer, Kevin Brown, Nigel D. Cattlin. - 1st ed - London : Royal Horticultural Society : Manson, c2003. - 126 p. : col. ill. ; 27 cm.
Includes bibliographical references and index.
1874545286 : £30.00
GBA0W1353 bnb
Agricultural pests--Biological control.
581 / cut H4741C1
A colour handbook of biological control in plant protection / Neil Helyer, Kevin Brown, Nigel D. Cattlin. - 1st ed - London : Royal Horticultural Society : Manson, c2003. - 126 p. : col. ill. ; 27 cm.
Includes bibliographical references and index.
1874545286 : £30.00
GBA0W1353 bnb
Agricultural pests--Biological control.
581 / cut H4741C1