Citation: Kh. Diekmann et al., YIELD AND NITROGEN RESPONSE OF LOWLAND RICE (ORYZA-SATIVA L) TO SESBANIA-ROSTRATA AND AESCHYNOMENE-AFRASPERA GREEN MANURE IN DIFFERENT MARGINALLY PRODUCTIVE SOILS IN THE PHILIPPINES, Biology and fertility of soils, 21(1-2), 1996, pp. 103-108
Citation: Kh. Diekmann, NITROGEN UPTAKE AND RECOVERY FROM UREA AND GREEN MANURE IN LOWLAND RICE MEASURED BY 15N AND NONISOTOPE TECHNIQUES (VOL 148, PG 91, 1993), Plant and soil, 150(2), 1993, pp. 311