Search

Your search keyword '"Rusman, Bujang"' showing total 481 results
Start Over Author "Rusman, Bujang"
481 results on '"Rusman, Bujang"'

3. A Raster-based model for flood inundation mapping on delta lowland

Author

Nurhamidah Nurhamidah, Rusman Bujang, and Istijono Bambang

Subjects
Engineering (General). Civil engineering (General), TA1-2040
Abstract

A high intensity of rainfall experiences flooding in some areas. Flooding can be caused by several aspects, such as inadequate urban drainage, reduce the porous surface due to rapid development and the topography of the area itself. Flood has always been a scourge for the inhabitants of Padang city. Especially when there are a heavy-rain and long duration, certainly flood will hit some places in Padang city. Therefore, many things that must be considered by the local government in overcoming the problem of this flood, including improvements of the drainage system, reforestation and create the polders. In this research, it is described the area of the prone area in Padang city with spatial analysis tools which are approached in the Geographical Information System. Based on the topography of the Padang city, inundated areas and flood direction will be presented in case of the heavy rain occurs. From the analysis, there are several points of vulnerable inundation in Padang city that are generally located in densely populated areas and main roads in Padang city which can be considered for the future planning.

Published
2018
Full Text
View/download PDF

4. THE DYNAMICS OF LAND COVER CHANGE AND CAUSAL FACTORS IN THE KURANJI WATERSHED.

Author

Aditia Putra, Teguh Haria, Istijono, Bambang, Aprisal, Rusman, Bujang, and Ophiyandri, Taufika

Subjects
LAND cover, WATERSHEDS, HOMESITES, FARMS, PADDY fields, LANDFORMS
Abstract

Landcover changes (LCC) are one indicator of an increase in population in a watershed area that demands the provision of housing locations, road infrastructure, and productive land to meet the needs of life. LCC can positively impact the form of increased land use values and incomes, while also negative impacts in the form of erosion, landslides, and floods. The watershed area should have a balance in its development. This research is important as a first step in overcoming changes in land cover that can threaten the sustainability and sustainability of the Kuranji watershed. The aim of the study is to reveal the LCC from 1985 to 2018 and its causal factors in the Kuranji watershed. The methodology used is descriptive qualitative with 60 respondents. Data were obtained by interviewing respondents. Respondents are those having agricultural land and working in the agricultural sector and this research was carried out in 2019. The results showed an increase in the type of land cover of settlements and mixed gardens, while forests, rice fields and shrubs have decreased. The main factor influencing changes in land cover is economical (59%), followed by social factors (25%) and political factors (16%). It was also found that local wisdom of the Minangkabau culture was able to reduce LCC. In Minangkabau, the land owned by the community, in general, is a legacy from generation to generation that cannot be sold without significant reasons. [ABSTRACT FROM AUTHOR]

Published
2021
Full Text
View/download PDF

6. THE EFFECT OF RECLAMATION TO SOIL MOISTURE CONTENT IN THE ROOTING ZONE ON DRY LAND

Author

Aprisal, Aprisal, Rusman, Bujang, Yulnafatmawita, Yulnafatmawita, Aprisal, Aprisal, Rusman, Bujang, and Yulnafatmawita, Yulnafatmawita

Abstract

The critical land reclamation through the conservation farming system could improve the properties of soil such as pore of water available. Thus the land was able to increase the availability of soil water in the zone of rooting annuals. The purpose of the research was to analyze the effect of Reclamation land with conservation farming system to the fluctuation of groundwater in zones rooting annuals. The research method used was an experiment in the field by using the block design in the form of split plot. As the main plot was a conservation tillage system (not reclaimed Ro, reclaimed using mulch R1, reclaiming compost and manure use R2 and reclamation with round up weed R3) and sub plots were the three types of annuals (corn T1 T2 T3, peanuts, and watermelon). Groundwater data monitored using gypsum blocks put in rooting zone about 30 cm in the soil. The soil moisture was measured with ohm meter every day at noon (12.00-13.00). The measured data are calibrated with graphs of soil moisture which has been standard. Then the results are presented in the form of trend graphs of each treatment of the reclaimed land. The research results showed that the fluctuations of the water in the rooting zone higher on land that was not reclaimed (To) than on land reclaimed. Land reclaimed by using compost, manure (T2) tend to be more stable and increases the moisture content of the soil

Published
2018

13. Optimizing Utilization of Palm Oil Mill Effluent and its Influences on Nutrient Availability and Soil Organic Matter on Ultisols

Author

Hermansah, Hermansah, Ermadani, Ermadani, Yulnafatmawita, Yulnafatmawita, Syarif, Auzar, Rusman, Bujang, Hermansah, Hermansah, Ermadani, Ermadani, Yulnafatmawita, Yulnafatmawita, Syarif, Auzar, and Rusman, Bujang

Abstract

Optimizing the utilization of agroindustrial organic waste such as palm oil mill effluent (POME) can prevent environment pollution and soil nutrient cycling can be a valuable alternative to improve soil quality. The objective of this study was to evaluate the changes of soil organic fractions and nutrients after application of treated palm oil mill effluent. The treatments consisted of control and effluent application at rates of 5, 10, 15 and 20 ton ha-1. The treatments were arranged in a completely randomized design with three replications. Application of effluent significantly increased total organic C, labile organic C, humic acid C, pH, total N, available P, and exchangeable K. A significant reduction of exchangeable Al also occurred with effluent application. The increases of total organic C and labile organic were found with the application of 20 t ha-1 of effluent, but the increase was not significant compared to the effluent application at rates of 10 and 15 t ha-1. Sensitivity indexes of total organic C, labile organic C and humic acid C following effluent application were 24-66%, 103-197% and 95-114% respectively in which labile organic C showed the highest sensitivity index. Total organic C, labile organic C and humic acid were positively correlated with increasing rates of effluent application. Labile organic C revealed the strongest relationship (R2=0.91) with effluent application compared to total organic C (R2=0.88) and humic acid (R2=0.67). A significant increase of total N was only found by the effluent application at rate of 20 t ha-1. Significant increases in available P and exchangeable K occurred at rate of 10, 15 and 20 t ha-1. It can be concluded that the increase in soil organic carbon levels was related to the amount of organic (effluent) input added to the soil. In addition, the application of treated effluent can improve soil pH and nutrient availability.

14. PERSPEKTIF PERTANIAN TROPIKA BASAH: POTENSI DAN TANTANGANNYA DALAM RANGKA PERTANIAN BERKELANJUTAN

Author

Muhsanati, Muhsanati, Yulnafatmawita, Yulnafatmawita, Rusman, Bujang, Arisal, Aprisal, Rasyidin, Azwar, Prasetyo, Teguh Budi, Saidi, Amrizal, Syarif, Auzar, Hayati, PK Dewi, Dwipa, Indra, Syarif, Zulfadli, Ramadhan, Nugraha, Yanti, Yulmira, Husin, Eti Farda, Yaherwandi, Yaherwandi, Mayerni, Reni, Warnita, Warnita, Syahni, Rahmat, Khairati, Rusda, Noer, Melinda, Analia, Devi, Muhsanati, Muhsanati, Yulnafatmawita, Yulnafatmawita, Rusman, Bujang, Arisal, Aprisal, Rasyidin, Azwar, Prasetyo, Teguh Budi, Saidi, Amrizal, Syarif, Auzar, Hayati, PK Dewi, Dwipa, Indra, Syarif, Zulfadli, Ramadhan, Nugraha, Yanti, Yulmira, Husin, Eti Farda, Yaherwandi, Yaherwandi, Mayerni, Reni, Warnita, Warnita, Syahni, Rahmat, Khairati, Rusda, Noer, Melinda, and Analia, Devi

31. Sertifikat

Author

Rusman, Bujang and Rusman, Bujang

Abstract

Sertifikat

41. Sertifikat

Author

Rusman, Bujang and Rusman, Bujang

Abstract

Sertifikat

46. Lebaran Pengesahan

Author

Rusman, Bujang and Rusman, Bujang

Abstract

Lebaran Pengesahan

50. Sertifikat

Author

Rusman, Bujang and Rusman, Bujang

Catalog

Books, media, physical & digital resources
See catalog results