Liyantono Liyantono

Liyantono Liyantono
Bogor Agricultural University | IPB · Department of Mechanical and Bio-system Engineering

Doctor of Philosophy

About

37
Publications
12,361
Reads
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154
Citations
Citations since 2016
26 Research Items
151 Citations
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20162017201820192020202120220102030

Publications

Publications (37)
Article
Full-text available
Providing irrigation for plants that is appropriate with the amount of the crop evapotranspiration or loss of water by plants is crucial to increase water productivity. One of the ways to increase irrigation efficiency is to apply a smart irrigation system. Intelligent automatic irrigation systems can be costly because they use a variety of microco...
Article
Water application in the plant house is usually done by surface irrigation and manual micro-irrigation. Because of the conventional irrigation system's inefficiency, water-saving irrigation has been developed. Smart or automated irrigation usually uses a micro-controller to maintain irrigation timing and soil moisture conditions. This automation is...
Article
Full-text available
Rice is one of the primary food sources for people worldwide, especially in Indonesia. In 2018, Indonesia produced approximately 56.5 million tons of unhusked dry rice ready for milling with a total area of around 10.9 million hectares. Until these days, the estimation of rice productivity was done by the Indonesia Statistics Agency (BPS) and the M...
Article
Full-text available
A Greenhouse has a different microclimate compared to the outside field. Climate parameters such as solar radiation and air temperature are important parameters that affect plant growth and productivity. This research aims to understand the relation of climate factors in the inside and outside Greenhouse, the effect of microclimate on evapotranspir...
Article
Full-text available
Air temperature is an important microclimate parameter in a greenhouse as it influences root growth and controls plant growth and development. Thus, the precise monitor and model temperature under greenhouse is needed to maintain the plants in optimal conditions. This research aims to model the temperature under a greenhouse using energy balance mo...
Article
Full-text available
Almost all countries in the world have used lettuce hydroponic cultivation in planthouses because it is appropriate for plant growth and production. The microclimate inside planthouse is an environmental factor that affects plant growth and development. Vegetables planted in the planthouse have a great deal of water requirement. Selecting a method...
Article
Intensive paddy cropping in Java island has an intricate pattern both in spatial and temporal distribution due to landscape and scheduling complexity, in this case the temporal pattern is a key factor in predicting the paddy cropping season. Cropping pattern relevant to the temporal vegetation indices which can be obtained from MODIS temporal image...
Article
Full-text available
Information about rice productivity is one of the references for government to maintain food availability. With remote sensing technology, rice productivity can be known faster. This research was conducted using UAV (Unmanned Aerial Vehicle) and Sentinel-2 Satellite. Sentinel-2 NDVI which has a low resolution with high resolution UAV images, both v...
Article
Full-text available
Faktor manusia sebagai tenaga kerja memiliki peranan penting dalam meningkatkan produktivitas beras Organik. Namun, sampai saat ini upah standar untuk pekerja pertanian belum ditentukan oleh lembaga pemerintah, sehingga bisa dikatakan bahwa peran pemerintah terhadap pekerja pertanian masih sangat kurang. Penelitian ini bertujuan untuk membuat formu...
Article
Spatiotemporal analysis of MODIS Vegetation Index Imagery widely used for vegetation seasonal mapping both on forest and agricultural site. In order to provide a long-terms of vegetation characteristic maps, a wide time-series images analysis is needed which require high-performance computer and also consumes a lot of energy resources. Meanwhile, f...
Article
Full-text available
Productivity of manpower could be improved by considering the economic and ergonomic aspect. The ergonomic aspect (human factor) is required to design an optimal manpower, while in the economic aspect, the well being of manpower could be evaluated from the amount of received income based on their work capability. This research was conducted on Febr...
Article
Full-text available
Weather monitoring and forecasting are very important in agricultural sectors. There are several data need to be collected in real-time to support weather monitoring and forecasting systems, such as temperature, humidity, air pressure, wind speed, wind direction, and rainfall. The purpose of this research to develop a real-time weather monitoring s...
Article
Full-text available
Central Java had the diverse paddy field cropping patterns and it was influenced by several factors such as water availability, land condition, paddy fields ownership, and local culture. This research was aimed to analyze dynamic changes of paddy cropping pattern using MODIS imagery (MOD13Q1 16-day composite from 2001 to 2015). This research used k...
Article
Full-text available
Information on the area and spatial distribution of paddy field are needed to support sustainable agricultural and food security program. Mapping or distribution of cropping pattern paddy field is important to obtain sustainability paddy field area. It can be done by direct observation and remote sensing method. This paper discusses remote sensing...
Article
The increasing demand of crude palm oil has effects on the forest area that being converted into plantation. If the land conversion happens in watershed\ it may change the hydrologic parameters and increase the debits of the rivers which might produce floods, erosion, and sedimentation. SWAT hydrological model was used in this study to examine the...
Article
Full-text available
Accurate and up-to-date information of paddy fields over wide areas is essential to support sustainable agricultural and a food security program. It is an urgent need to develop near-real time paddy field monitoring, which can be used by policy maker for handling the food problems directly. This study explored the use of multi temporal MODIS EVI 16...
Article
Full-text available
Paddy field conversion that occurs continuously in East Java will have an impact on the production of paddy fields Mapping the dynamics pattern of paddy field utilization is needed to support the sustainable usage of paddy field This study conducted to explain the dynamics pattern of paddy field utilization using MODIS image MOD13Q1 h2v9 with EVI c...
Article
Full-text available
Indonesia has a role of paddy fields as the main resources in agricultural activities. Rice is the staple food of more than half of the Indonesia's population. It makes a high demand of rice in Indonesia. Meanwhile, Indonesia has experienced by the paddy field conversion, so that the monitoring of the fields is necessary. An advance remote sensing...
Article
Full-text available
Nowadays, drought phenomenon occurred in several area in Indonesia. The length of the dry season, especially in the southern equatorial allegedly caused by El Nino phenomenon. This causes crop failures in many center area of agriculture. West Java Province as one of the centers of agricultural activities in Indonesia experienced a severe drought wi...
Article
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A precise decision or action on water supply for a particular area for crop production is very critical in precision agriculture practices. This paper discusses the development of water pumping control system using a Pulse Width Modulation (PWM) control technique to support water supply of crops based on precision agriculture approach. The input pa...
Research
Full-text available
Land conversion of paddy field that continuously in East Java will affecting the production in the area of paddy field. Cropping intensity can supported the food safety. Mapping of distribution cropping pattern paddy field is necessarily important to obtain sustainability paddy field area. This research aimed to predict the area of paddy field in E...
Article
Full-text available
Aerial photography using Unmanned Aerial Vehicle (UAV) has been widely used for several applications except for agricultural sector which is still quite rare. The purpose of this study was to determine rice plant fertility using aerial photos. Photos were analyzed using visual basic program to find out the leaf color level. Level of leaf color is d...
Article
Full-text available
One of the constraints of low productivity of chili caused by a viral infection called Gemini virus. Viral infections potentially reduce yields by 20-100%. Due to these conditions, it is necessary to look for methods in monitoring and evaluating virus attack on chili to get a better yields production. The purpose of this study is to analyze the chi...
Article
Full-text available
Jombang is one of the regency in East Java province which is dominated by agricultural lands. This is caused by high levels of soil fertility due to volcanic eruption in the past. Recently, conversion of agricultural land to non-agricultural land has been increasing as accelerated by the growth of industrial sector. If this conversion occurs contin...
Article
Full-text available
Since 2010 paddy field monitoring systems have been installed in ten locations in Indonesia. Each system performs quasi-real-time monitoring using a FieldRouter equipped with an in situ camera and connected to meteorological and soil data loggers. All parameters are measured and monitored at 30-min intervals. Data and field images are daily transmi...
Article
Full-text available
A Field Monitoring Station Network for Supporting the Development of Integrated Water Resources Management Abstract Field monitoring systems were installed in six locations of interest for field weather and environment monitoring in support of the development of an integrated water resources management system in two watersheds, Saba in Bali provi...
Article
Full-text available
Accurate information of paddy fields over wide areas is essential to support sustainable agricultural and a food security program. Monitoring of these lands continuously, using remote sensing technology, will provide information related to the cropping intensity in the field, as well as its dynamics change. We characterized seasonal vegetation dyna...
Article
Water shortages during the dry season threaten sustainable agricultural production in Nganjuk District, East Java, Indonesia. To mitigate this problem, farmers adopted conjunctive use of surface water and groundwater, but the sustainability of this practice has not been investigated. This study temporally and spatially assessed water allocation in...
Article
Full-text available
The Nganjuk District experiences a tropical monsoon regime characterized by annual rainy and dry seasons, and the area receives approximately 80% of annual precipitation within the 5 to 6 months of the rainy season. The district has three planting seasons, the wet season (November-February), first dry season (March-June), and second dry season (Jul...
Article
Full-text available
Penelitian ini bertujuan untuk memperoleh nilai komponen neraca air yang terjadi perkebunan kelapa sawit. Untuk mengetahui neraca air pada perkebunan kelapa sawit digunakan persamaan: P−ETc−Q±ΔS=0 dimana P = jumlah curah hujan (mm), ETc = jumlah evapotranspirasi tanaman, Q = jumlah aliran permukaan (mm) dan ΔS = perubahasan simpanan air (mm). Dari...

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Project (1)
Project
The Java Island cover only about 6% of national land area but inhabited by almost 60% of national population. The study analyze trend of rice field area conversion in Java Island where more than a half of national rice was produced for the last century due to urban expansion and economic transformation. This rapid urban expansion has been The expansion of this urban area has an impact on the widening of regional disparity between regions and causing serious environmental impact.