Browsing by Author "Iswandi, Anas"
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Kontribusi P dari aktivitas mikrob pelarut fosfat, fosfat alam dan SP-36 berdasarkan teknik isotop
Flatian, Anggi Nico | Iswandi, Anas | Sutandi, Atang | Ishak (2017)Ketersedian hara fosfor (P) merupakan salah satu faktor pembatas utama produksi pertanian di seluruh dunia. Pada umumnya, P dalam tanah diikat oleh Ca, Fe dan Al sehingga menyebabkan ketersediaan P bagi tanaman rendah. ... -
Pengaruh pemberian kapur pada tanah podsolik merah kuning terhadap dinamika populasi gulma dan persitensi herbisida pratumbuh pada pertanaman kedelai (Glycine max (L.) Merr.)
Rustikawati | Wiroatmodjo, Joedojono | Iswandi, Anas | Mattjik, A. Ansori (1994)Penelitian dilakukan pada tanah Podsolik Merah Kuning di Bengkulu. Penelitian lapang disusun berdasarkan Rancangan Petak Terpisah (strip pidt design) yang diulang tiga kali dalam kelompok. Dosis kapur 0.00, 0.75, 1.50 ... -
The Potency of Azotobacter spp. Isolated from Tidal Land of South Kalimantan to Produce Indole Acetic Acids (IAA)
Razie, Fakhrur | Iswandi, Anas (2005)Tidal land area is considered as the most frigile ecosystems. To open this area as agricultural land has to be done carefully. To reduce the risk of declining the environmental quality of tidal swa,,!p area due to the ... -
Spatial patterns of greenhouse gas emission in a tropical rainforest in Indonesia
Shigehiro Ishizuka | Iswandi, Anas | Yasuhiro Nakajima | Seiicjiro Yonemura | Shigeto Sudo | Haruo Tsuruta | Daniel Muriyarso (2005)Spatial patterns of CO2, CH4, and N2O flux were analyzed in the soil of a primary forest in Sumatra, Indonesia. The fluxes were measured at 3-m intervals on a sampling grid of 8 rows by 10 columns, with fluxes found to be ... -
Vigna vexillata (L.) A. Rich. Cultivated as a Root Crop in Bali and Timor
Karuniawan, A. | Iswandi, Anas | P. R. Kale | J. Heinzemann | W. J. Grüneberg (2005)Vigna vexillata is considered as a pantropical distributed wild species closely related to the cowpea (Vigna uniculata) and adapted to infertile soils. The species is occasionally used for its storage roots as well as ...