ABSTRACT The experiment have about the various of need size and depth of plant of seed of conhew (Anacardium pocidentale, L) had been carried out since Juns 1991 until Octobre 1991 at Potrobanguan, Magelang, Central Java. The soil type is late- sol with pil 6,5 on altitude 376 metre above sea level. Experiment that is used factorial design that arranged in completly Randomized Design (RCD), c…