Comparation study of nitrogen transfer from the intact and decapitated legumes by using the 15n labeling technique

PERTEMUAN ILMIAH PENELITIAN DAN PENGEMBANGAN APLIKASI ISOTOP DAN RADIASI …, 1998

Authors: DW Widjajanto

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

FERTILIZERS AND ENVIRONMENT, 253-257, 1996

Authors: DW Widjajanto

Pencahayaan sebagai upaya pencegahan cekaman pada unggas tropis berwawasan animal welfare

Authors: S Sumarsono, S Anwar, S Budianto, DW Widjajanto

Application of manure and urea at various level of nitrogen

PROCEEDING BOOK, 369, 0

Authors: CCB Ginting, DW Widjajanto, ED Purbajanti

Substitution of water hy acinth (eichhornia crassipes (mart) solms) as green manure on the performance of elephant grass (pennisetum purpureum)

INTERNATIONAL SEMINAR ON TROPICAL ANIMAL PRODUCTION (ISTAP) 2, 215-219, 0

Authors: DW Widjajanto, S Sumarsono, ED Purbajanti, T Honmura

Produksi biogas dari limbah kotoran sapi perah dengan reaktor biogas sistem batch di desa lerep kabupaten ungaran

METANA, 0

Authors: DW Widjajanto, H Kusumayanti, S Rejeki

Peran pendidikan tinggi pertanian dalam mewujudkan ketahanan pangan berkelanjutan

Authors: PIF Technologists, DW Widjajanto, SBM Abduh, AN Al-Baarri, ...

Nitrogen uptake efficiency and nitrate reductase activity on elephant grass and kolonj on o grasses with different composition of urea and organic fertilizer in saline soil

INTERNATIONAL SEMINAR ON TROPICAL ANIMAL PRODUCTION (ISTAP) 2, 248-252, 0

Authors: S Sumarsono, S Anwar, S Budiyanto, DW Widjajanto

Pertumbuhan dan produksi tanaman mentimun (cucumis sativus l.) yang dibudidayakan dengan menggunakan berbagai jenis mulsa dan dosis pupuk kandang

Authors: FA Khoirunnisa, E Fuskhah, DW Widjajanto

Photosynthesis and yield of f orage crop legumes on the differences of light wavelength

INTERNATIONAL SEMINAR ON TROPICAL ANIMAL PRODUCTION (ISTAP) 2, 220-222, 0

Authors: BA Kristanto, DW Widjajanto, S Sutarno