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Comparison of N2O Emissions From Cold Waterlogged and Normal Paddy Fields

open access: yesFrontiers in Environmental Science, 2021
Paddy fields are major sources of atmospheric N2O. Soil temperature and moisture strongly affect N2O emissions from rice fields. However, N2O emissions from cold-waterlogged paddy fields (CW), an important kind of paddy soil in China, are not well ...
Xiangyu Xu   +14 more
doaj   +1 more source

Integrating Remote Sensing and GIS Techniques for Accurate Mapping and Analysis of Paddy Field Distribution in Kelantan: A Case Study [PDF]

open access: yesBIO Web of Conferences, 2023
This research focuses on studying the distribution of paddy fields in Kelantan between 2016 and 2021, utilizing Geographic Information System (GIS) and satellite imagery from Landsat 8 acquired through remote sensing.
Mohd Aris Nur Atikah   +5 more
doaj   +1 more source

Carbon Organic Content under Organic and Conventional Paddy Field and its Effect on Biological Activities (A Case Study in Pati Regency, Indonesia)

open access: yesCaraka Tani: Journal of Sustainable Agriculture, 2020
The low organic matter content of paddy soils impacts the declining quality of land. Without the efforts to enrich the soil organic matter (SOM) content, the productivity of paddy fields will decrease or the need for inorganic fertilizers will increase ...
Supriyadi Supriyadi   +3 more
doaj   +1 more source

Analysis of spatial pattern and ecological service value changes of large-scale regional paddy fields based on remote sensing data

open access: yes智慧农业, 2020
Under the pressure of economy development and climate change, rice production and distribution in the Yangtze River basin have undergone great changes, which may pose a great threat to the ecological environment and food security.
Liu Yuan   +3 more
doaj   +1 more source

Identification of Water Layer Presence in Paddy Fields Using UAV-Based Visible and Thermal Infrared Imagery

open access: yesAgronomy, 2023
The accurate identification of the water layer condition of paddy fields is a prerequisite for precise water management of paddy fields, which is important for the water-saving irrigation of rice.
Guangfei Wei   +6 more
doaj   +1 more source

Mapping Paddy Fields in Japan by Using a Sentinel-1 SAR Time Series Supplemented by Sentinel-2 Images on Google Earth Engine

open access: yesRemote Sensing, 2020
Paddy fields play very important environmental roles in food security, water resource management, biodiversity conservation, and climate change. Therefore, reliable broad-scale paddy field maps are essential for understanding these issues related to rice
Shimpei Inoue   +2 more
doaj   +1 more source

Cadmium mapping and contamination potential on different paddy field managements in Sragen Regency, Indonesia

open access: yesJournal of Degraded and Mining Lands Management, 2020
Cadmium (Cd) is a harmful metal for paddy soil that is affected by inorganic fertilizer, pesticides, and industrialization. This study aimed to investigate the Cd contents in paddy soil, plant tissue, and grain, as well as the spatial distribution of ...
Pungky Ferina   +2 more
doaj   +1 more source

Microbial Quality of Paddy fields at Alfurat Alawsat Area, Iraq and the Effect of Milling Process on the Rice Contamination Level

open access: yesمجلة بغداد للعلوم, 2023
Fifty-Four paddy samples, 45 soil samples, and nine irrigation water samples of some paddy fields at Alfurat Alawsat Area, Iraq were collected to investigate the microbial quality including total count bacteria (TCB), molds and yeast, total coliform (TC)
Abeer S. Alhendi   +2 more
doaj   +1 more source

Discovery of the Earliest Rice Paddy in the Mixed Rice–Millet Farming Area of China

open access: yesLand, 2022
Neolithic rice remains were recovered from a mixed rice–millet farming area in China outside the original centers of rice farming. Whether the rice remains were the result of local cultivation or obtained through trade remains unclear.
Xiujia Huan   +8 more
doaj   +1 more source

Mapping the fallowed area of paddy fields on Sanjiang Plain of Northeast China to assist water security assessments

open access: yesJournal of Integrative Agriculture, 2020
Rice growth requires a large amount of water, and planting rice will increase the contradiction between supply and demand of water resources. Paddy field fallowing is important for the sustainable development of an agricultural region, but it remains a ...
Chong LUO   +6 more
doaj   +1 more source

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