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Meijuan Li, Xiangyu Hu, Rui Hu, Kaiming Liang, Xuhua Zhong, Junfeng Pan, Youqiang Fu, Yanzhuo Liu, Xinyu Wang, Qunhuan Ye and Yuanhong Yin
Rice?fish co-cultures have been practiced for over 2000 years, and they have tremendous potential in terms of increasing food security and economic benefits. However, little research has been conducted into achieving stable yields and high lodging resist...
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Yadong Yang, Peixin Wang and Zhaohai Zeng
Fertilization plays important roles in improving soil fertility and in increasing crop yield. Soil microbial communities are sensitive indicators of soil quality and health, which could be affected by fertilization strategy. However, our knowledge on how...
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Jeanette Purhagen, Raivo Loosme, Nils Wihlborg, Jenny Fjällström, Peter Åberg, Henrik Andrén, Gunnel Wihlborg, Torbjörn Mikaelsson, Martin Lagerholm and Frans Lindwall
Several of the rice quality parameters are nowadays determined manually or partly manually, which leads to subjective results. In order to analyse the rice quality and avoid most of the manual handling, the PaddyCheck instrument was mainly developed to m...
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Fumiaki Takakai, Seiya Hirano, Yuka Harakawa, Keiko Hatakeyama, Kentaro Yasuda, Takashi Sato, Kazuhiko Kimura and Yoshihiro Kaneta
A field experiment was conducted to evaluate the fate of nitrogen (N) derived from fertilizer (fertilizer-derived N) applied to a paddy field after rice harvesting to promote rice straw decomposition during the fallow season, and to determine its effect ...
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Santosa Raharjo,Santun R. P. Sitorus,Suwandi Suwandi
Pág. 26 - 35
The landuse change from paddy field to non-rice field in Java is increasing every year and this has an impact on the decreasing of national food security. Likewise the occurrence of land conversion of around 2,000 ha for the construction of Jatigede rese...
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Fumiaki Takakai, Masahiro Kobayashi, Takashi Sato, Kentaro Yasuda and Yoshihiro Kaneta
The effects of conversion from staple rice to forage rice on carbon and greenhouse gas (GHG) balances in a paddy field were evaluated. A staple rice plot without the application of livestock manure compost (LMC, S − M plot) and forage rice plots wi...
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Fumiaki Takakai, Takemi Kikuchi, Tomomi Sato, Masato Takeda, Kensuke Sato, Shinpei Nakagawa, Kazuhiro Kon, Takashi Sato and Yoshihiro Kaneta
In northern Japan, declines in soil nitrogen fertility have occurred in paddy?upland rotation systems with soybean cultivation. A six-year lysimeter experiment was conducted to evaluate the nitrogen budget in paddy?upland rotation (three-year for upland ...
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Vanessa de Arruda Souza, Débora Regina Roberti, Anderson Luis Ruhoff, Tamíres Zimmer, Daniela Santini Adamatti, Luis Gustavo G. de Gonçalves, Marcelo Bortoluzzi Diaz, Rita de Cássia Marques Alves and Osvaldo L. L. de Moraes
Evapotranspiration (ET) is an important component of the hydrological cycle. Understanding the ET process has become of fundamental importance given the scenario of global change and increasing water use, especially in the agricultural sector. Determinin...
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Muhammad Dimyati, Supriatna Supriatna, Ryota Nagasawa, Fajar Dwi Pamungkas and Rizki Pramayuda
In recent years, unmanned aerial vehicles (UAVs) have been actively applied in the agricultural sector. Several UAVs equipped with multispectral cameras have become available on the consumer market. Multispectral data are informative and practical for ev...
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Taketo Eguchi and Masahiro Tasumi
This study investigated two popular satellite-derived vegetation indices (VIs), MODIS NDVI and EVI, as tools for monitoring crop growth at the Thapanzeik Dam irrigation district in Myanmar, where quality ground data are difficult to obtain. The time-seri...
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Rashidah Ruslan, Siti Khairunniza-Bejo, Mahirah Jahari and Mohd Firdaus Ibrahim
Weedy rice infestation has become a major problem in all rice-growing countries, especially in Malaysia. Challenges remain in finding a rapid technique to identify the weedy rice seeds that tend to pose similar taxonomic and physiological features as the...
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Dibyendu Chatterjee,Chinmaya Kumar Swain,Sumanta Chatterjee,Pratap Bhattacharyya,Rahul Tripathi,Banwari Lal,Priyanka Gautam,Mohammad Shahid,Pradeep Kumar Dash,Biswaranjan Dhal,Amaresh Kumar Nayak
Pág. 59 - 78
A two-year (2015 and 2016) field experiment was carried out to study the surface energy budget and energy balance closure (EBC) in a tropical lowland rice paddy in Cuttack, India. Maintenance of a standing water layer in lowland irrigated rice ecosystem ...
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Qiyang Wang, Feng Han, Zidan Wu, Tianyi Lan and Wenfu Wu
Grain quality changes during the storage period, and an important grain quality indictor is the free fatty acid (FFA) content. Understanding real-time change of FFA content in stored grain is significant for grain storage safety. However, the FFA content...
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Wan abbas Zakaria, Lidya Sari Mas Indah, lidyasari
Pág. 72 - 79
This study aims to: (1) analyze the risk of production, price, and income of technical irrigated rice fields and rainfed rice field in South Lampung regency, 2) to analyze farmer behavior against rice farming risk on the technical irrigated rice field an...
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Pahaerdin Nazhakaiti, Hirofumi Tsutsui and Taro Urase
Environmental management for the use of sewage sludge in rice paddy fields.
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Abdikani Abdullahi Mo?allim, Md Rowshon Kamal, Hadi Hamaaziz Muhammed, Mohd Amin Mohd Soom, Mohamed Azwan b. Mohamed Zawawi, Aimrun Wayayok and Hasfalina Bt. Che Man
Solute runoff and leaching are two direct pathways of nutrient pollution from paddy fields into water systems. Due to the dynamic nature of paddy fields, solute transport and transformation processes are complex and difficult to understand. Therefore, in...
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Nongpat Chaichana, Sonoko Dorothea Bellingrath-Kimura, Shujiro Komiya, Yoshiharu Fujii, Kosuke Noborio, Ottfried Dietrich and Tiwa Pakoktom
Greenhouse gas flux monitoring in ecosystems is mostly conducted by closed chamber and eddy covariance techniques. To determine the relevance of the two methods in rice paddy fields at different growing stages, closed chamber (CC) and eddy covariance (EC...
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Soon-Kun Choi, Jaehak Jeong and Min-Kyeong Kim
The Agricultural Policy/Environmental eXtender (APEX) model is widely used for evaluating agricultural conservation efforts and their effects on soil and water. A key component of APEX application in Korea is simulating the water quality impacts of rice ...
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Fumiaki Takakai, Shinpei Nakagawa, Kensuke Sato, Kazuhiro Kon, Takashi Sato and Yoshihiro Kaneta
Methane (CH4) and nitrous oxide (N2O) fluxes were measured from paddy?upland rotation (three years for soybean and three years for rice) with different soil fertility due to preceding compost application for four years (i.e., 3 kg FW m-2 year-1 of immatu...
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Weiqi Wang, Jordi Sardans, Chun Wang, Ting Pan, Congsheng Zeng, Derrick Y. F. Lai, Mireia Bartrons and Josep Peñuelas
The management and improvement of paddy soils fertility are key factors for the future capacity of rice production. The return of rice straw to paddy soils is the best alternative to the application of industrial fertilizers for rice production sustainab...
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