Aplikasi pupuk hayati limbah hijauan pertanian pada kluster biofarmaka kabupaten semarang

PROSIDING SEMINAR NASIONAL MIKROBIOLOGI II, 122-126, 2016

Authors: DW Widjajanto, CS UTAMA, ED Purbajanti, A Santoso

The dynamics of nitrogen released from leguminous crops residue incorporated in the soil-crop systems

LEGUME RESEARCH-AN INTERNATIONAL JOURNAL 30 (2), 98-102

Authors: DW Widjajanto

Possible utilization of water hyacinth (eichhornia crassipes (mart.) solms), an aquatic weed, as green manure in vegetables cropping systems

JAPANESE JOURNAL OF TROPICAL AGRICULTURE 47 (1), 27-33, 2003

Authors: DW WIDJAJANTO, T HONMURA, N MIYAUCHI

Nitrogen dynamics in komatsuna (brassica rapa) cultivation due to incorporation of water hyacinth residues into the system

PAK. J. BIOL. SCI 6 (1), 10-15, 2003

Authors: DW Widjajanto, T Honmura, N Miyauchi

Nitrogen release from green manure of water hyacinth in rice cropping systems

PAKISTAN JOURNAL OF BIOLOGICAL SCIENCES (PAKISTAN), 2002

Authors: DW Widjajanto, T Honmura, N Miyauchi

Organic farming and its prospect in indonesia

BULL. FAC. AGRIC. KAGOSHIMA UNIV 52 (2), 57-62, 2002

Authors: DW Widjayanto, N Miyauchi

Studies on the release of n from water hyacinth incorporated into soil-crop systems using 15n-labeling techniques

PAK. J. BIOL. SCI 4 (9), 1075-1077

Authors: DW Widjajanto, T Honmura, K Matsushita, N Miyauchi

Environmental advantages and disadvantages of different sources of nitrogen in agricultural systems

FERTILIZERS AND ENVIRONMENT, 253-257, 1996

Authors: DW Widjajanto