ABSTRACT The experiment was to aim is to know the effect of TSP dosage and cover crop to the yield of green pea (Phaseolus radiatus L.) No. 129 variety. The experiment was carried out since Mei 13rd until Juli 17th, 1990. It's located in rice-field area at Potro- bangsan village, Nort Magelang, Magelang municipality. The soil type Latosol, an altitude of 380 m above sea level with…