Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Sofia Wantasen"'
Publikováno v:
Jurnal Manusia dan Lingkungan, Vol 19, Iss 2, Pp 143-149 (2012)
ABSTRAK Nitrogen di lingkungan akan mengalami transformasi ke dalam bentuk-bentuk senyawa antara lain nitrat (N03), nitrit (N02-), ammonia (NH3). Transformasi dari nitrogen menjadi nitrat, nitrit, dan ammonia akan berdampak negatif terhadap lingkung
Externí odkaz:
https://doaj.org/article/ffc36eb150be466c907484727e82fe92
Autor:
Sofia Wantasen
Publikováno v:
Sainteknol, Vol 13, Iss 1, Pp - (2015)
Nitrogen di lingkungan akan mengalami transformasi ke dalam bentuk senyawa nitrat (NO 3 - ), nitrit (NO 2 - ), ammonia (NH 3 ) Transformasi nitrogen tersebut dipengaruhi oleh kondisi lingkungan. Penelitian ini bertujuan untuk mengkaji transformasi ni
Externí odkaz:
https://doaj.org/article/317536f9c06b44e7bc653257b0bc9d16
Publikováno v:
Journal of Physics: Conference Series. 1918:032029
Pindol River is a river that is a source of irrigation water and raw water in Bolaang Mongondow Regency. The Pindol River is a source of the Lolak Dam water supply. The Lolak Dam which will irrigate rice fields covering an area of around 3,714 ha in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6ee816eb2aabd628cfb0c97444e11045
https://doi.org/10.1088/1742-6596/1918/3/032029
https://doi.org/10.1088/1742-6596/1918/3/032029
Publikováno v:
Journal of Physics: Conference Series. 1918:032018
The suitability of water for irrigation purpose can be determined using the Sodium Adsorption Ratio (SAR) method. The method describes the extent of sodium will be absorbed into the soil. This study aims to assess the water quality of the Talawaan ri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8d4e289330a8e04065201f5cc0832c2c
https://doi.org/10.1088/1742-6596/1918/3/032018
https://doi.org/10.1088/1742-6596/1918/3/032018
Publikováno v:
IOP Conference Series: Earth and Environmental Science. 535:012029
Water resources are one of the natural resources that are vital both for the life of organisms on the earth as well as for daily human needs in various sectors of life. Due to limited resources, water management becomes essential. A study in the spat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3735dc63e9bc725db5bc37949ee4b74b
https://doi.org/10.1088/1755-1315/535/1/012029
https://doi.org/10.1088/1755-1315/535/1/012029
Publikováno v:
Journal of Physics: Conference Series. 1434:012031
Nitrogen fertilization is needed as a source of nitrogen in the growing plants. Nitrogen in the environment will undergo a transformation in the form of compounds such as nitrate (NO3 −) and nitrite (NO2 −). The transformation from nitrogen to ni
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1028700b185a6a5f4c10e2fbba4ad6fe
https://doi.org/10.1088/1742-6596/1434/1/012031
https://doi.org/10.1088/1742-6596/1434/1/012031
Publikováno v:
Journal of Physics: Conference Series. 1321:032115
Water quality of the Panasen River in upstream of Tondano’s watershed is important to study because the Panasen River crosses residential areas, agriculture, and livestock farms, carrying solid and liquid wastes from these activities, which ultimat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cd915f107e305c315a1fe14b155dfe5e
https://doi.org/10.1088/1742-6596/1321/3/032115
https://doi.org/10.1088/1742-6596/1321/3/032115
Publikováno v:
IOP Conference Series: Earth and Environmental Science. 314:012034
The Panasen River is located in the upper part of Tondano Watershed. This river has an important role including being used as an irrigation water source. The purpose of this study was to assess the water quality of the river as a source of irrigation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::989a1ece2820547dfd7ef12838590bb7
https://doi.org/10.1088/1755-1315/314/1/012034
https://doi.org/10.1088/1755-1315/314/1/012034
Autor:
J. N. Luntungan, Sofia Wantasen
Publikováno v:
IOP Conference Series: Earth and Environmental Science. 256:012005
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::614cbf1a957842f6d18fb299d79a86a6
https://doi.org/10.1088/1755-1315/256/1/012005
https://doi.org/10.1088/1755-1315/256/1/012005
Autor:
Sofia Wantasen, John L. Rantung
Publikováno v:
EUGENIA; Vol 22, No 2 (2016)
Traditional gold mining in Toraut Watershed Bolaang Mongondow District was used Merkuri Amalgamation that produced tailing. Tailing are discharged to river and environment sorounding that can enter Toraut River and flows to the down stream Mongondow
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::57b2b276e65b5196b5beb38472ce5286
https://doi.org/10.35791/eug.22.2.2016.12956
https://doi.org/10.35791/eug.22.2.2016.12956