Shell mex gases limited (1 risultati)

Paperback. Condizione: Good. Poss. 1965, pbk, glossy white/yellow wraps, Good-, some lifting of film at btm edge of upper wrap, btm upper corner creased, a little soiling to upper wrap, contents nice and tight, pp24. Contents incl: The menace of weeds; Classification of weeds; The history of flame cultivation ; The principle of flame cultivation; The technique of flame cultivation; The crops which can be flamed; The advantages of flaming; Description of flame cultivation equipment.…