Nugroho, Sutopo Ghani and Dermiyati, - and Lumbanraja, Jamalam and Triyono, Sugeng and Ismono, R Hanung and Sari, Yosa Triolanda and Ayuandari, Elva (2012) Optimum Ratio of Fresh Manure and Grain Size of Phosphate Rock Mixture in a Formulated Compost for Organomineral NP Fertilizer. Journal of Tropical Soils, 17 (2). pp. 121-128. ISSN 0852-257X

Dermiyati, - and Wulan, tety Rahmi and Arif, Mas Achmad Syamsul and Nugroho, Sutopo Ghani (2006) Perubahan Aktivitas Mikroba Tanah Akibat Pemberian Herbisida Diuron pada Tanah Ultisol yang Diberi Pupuk Berkelanjutan. Journal of Tropical Soils, 12 (1). pp. 55-60. ISSN 0852-257X

Lumbanraja, Jamalam and Nugroho, Sutopo Ghani and Niswati, Ainin and Ardjasa, Wayan Sabe and Subadiyasa, Netera and Arya, Nyoman and Haraguchi, Hiroki and Kimura, Makoto (1998) Methane emission from Indonesian rice fields with special references to the effects of yearly and seasonal variations, rice variety, soil type and water management. Hydrological Processes, 12 (13-14). pp. 2057-2072.

Niswati, Ainin and Nugroho, Sutopo Ghani (1996) Penerapan Pupuk Hijau Azolla sebagai Pensubsitusi Pupuk Urea pada Padi Sawah di Lampung tengah. Journal of Tropical Soils, 2 (2). pp. 84-90. ISSN 0852-257X

Nugroho, Sutopo Ghani and Yoshida, Shigekata and Kuwatsuka, Shozo (1992) Concurrent observation of several processes of nitrogen metabolism in soil amended with organic materials: V. Effects of long-term application of farmyard manure and nitrogen fertilizer on N cycling processes in upland field soil. Soil Science and Plant Nutrition, 38 (4). pp. 619-629. ISSN 0038-0768

Nugroho, Sutopo Ghani and Kuwatsuka, Shozo (1990) -Concurrent observation of several processes of nitrogen metabolism in soil amended with organic materials. I. Effect of different organic materials on ammonification, nitrification, denitrification, and N2fixation under aerobic and anaerobic conditions. Soil Science and Plant Nutrition, 36 (2). pp. 215-224. ISSN 0038-0768