ISBN: 9781855290105 - biological control of heliothis: increasing the effectiveness of natural enemies - workshop proceedings (1 resultados)

Condición: Good. 1st edition. Coth, dj, VG/G+. xii+550pp, many b/w figs & tables, index, dustjacket faded, text clean & unmarked. A collection of papers & field trial results on the attempts to control the insect pest heliothis, with emphasis on the use of natural as opposed to chemical means. The work was carried out mainly in India. 1100 grams.…