Results 41 to 50 of about 4,857,354 (360)

An Improved Approach of Winter Wheat Yield Estimation by Jointly Assimilating Remotely Sensed Leaf Area Index and Soil Moisture into the WOFOST Model

Remote Sensing, 2023
The crop model data assimilation approach has been acknowledged as an effective tool for monitoring crop growth and estimating yield. However, the choice of assimilated variables and the mismatch in scale between remotely sensed observations and crop ...
Wen Zhuo, Hai Huang, Xinran Gao, Xuecao Li, Jianxi Huang   +4 more
doaj   +1 more source

Crop Yield Prediction Using Deep Reinforcement Learning Model for Sustainable Agrarian Applications

IEEE Access, 2020
Predicting crop yield based on the environmental, soil, water and crop parameters has been a potential research topic. Deep-learning-based models are broadly used to extract significant crop features for prediction. Though these methods could resolve the
D. Elavarasan, Ieee P. M. DURAIRAJ VINCENT Member, P. M. Durairaj   +2 more
semanticscholar   +1 more source

Heteroskedasticity in Crop Yield Models

Journal of Agricultural and Resource Economics, 1992
This study examines three alternative models of correcting for heteroskedasticity in wheat yield: The time trend variance, the GARCH, and an econometric model that includes the potential sources of heteroskedasticity.
Seung-Ryong Yang, Won W. Koo, William W. Wilson   +2 more
doaj   +1 more source

Sunflower crop yield prediction by advanced statistical modeling using satellite-derived vegetation indices and crop phenology

Geocarto International, 2023
Timely crop yield information is needed for agricultural land management and food security. We investigated using remote sensing data from the Earth observation mission Sentinel-2 to monitor the crop phenology and predict the crop yield of sunflowers at ...
Khilola Amankulova, Nizom Farmonov, Uzbekkhon Mukhtorov, László Mucsi   +3 more
doaj   +1 more source

Heavy soil drying during mid-to-late grain filling stage of the main crop to reduce yield loss of the ratoon crop in a mechanized rice ratooning system

Crop Journal, 2022
Yield loss (YLoss) in the ratoon crop due to crushing damage to left stubble from mechanical harvesting of the main crop is a constraint for wide adoption of mechanized rice ratooning technology.
Chang Zheng, Yuechao Wang, Shen Yuan, Sen Xiao, Yating Sun, Jianliang Huang, Shaobing Peng   +6 more
doaj   +1 more source

Meta-analysis of drought and heat stress combination impact on crop yield and yield components.

Physiologia Plantarum : An International Journal for Plant Biology, 2020
Episodes of prolonged drought coupled with heat waves (i.e., drought and heat combination) can have a devastating impact on agricultural production and crop yield.
I. Cohen, Sara I. Zandalinas, Clayton Huck, F. Fritschi, R. Mittler   +4 more
semanticscholar   +1 more source

Role of Environmental Factors in Legume-Rhizobium Symbiosis: A Review

Biomolecules
Legumes play a pivotal role in addressing global challenges of food and nutrition security by offering a sustainable source of protein and bioactive compounds.
Liudmyla Yeremko, Katarzyna Czopek, Mariola Staniak, Mykola Marenych, Volodymyr Hanhur   +4 more
doaj   +1 more source

Research Progress and Challenges of Oil Crop Yield Monitoring by Remote Sensing

智慧农业, 2023
SignificanceOil crops play a significant role in the food supply, as well as the important source of edible vegetable oils and plant proteins. Real-time, dynamic and large-scale monitoring of oil crop growth is essential in guiding agricultural ...
MA Yujing, WU Shangrong, YANG Peng, CAO Hong, TAN Jieyang, ZHAO Rongkun   +5 more
doaj   +1 more source

Quantitative trait locus mapping for salt and drought tolerance traits in wheat (Triticum aestivum L.)

BMC Plant Biology
Background Wheat (Triticum aestivum L.) is susceptible to abiotic factors during its growth period, such as salt and drought. The germination stage is the initial growth stage of wheat growth, when wheat is particularly sensitive to salt and drought ...
Xiaotong Liu, Tao Sun, Zihan Zhou, Yahui Tong, Zixin Zhou, Haotian Cao, Jiale Qu, Ze Li, Qiwei Yang, Mingyang Xu, Bin Zhang, Ningze Wang, Yongzhen Wu, Han Sun, Chunhua Zhao, Ran Qin, Fa Cui   +16 more
doaj   +1 more source

Conservation Agricultural Practices for Improving Crop Production and Quality

Agronomy
Modern agriculture faces many challenges, the most important of which are the effects of climate change, soil degradation and fertility decline, pressure on water resources, and food insecurity [...]
Mariola Staniak, Ewa Szpunar-Krok
doaj   +1 more source