Results 11 to 20 of about 2,294,288 (351)

Determination of rice canopy growth based on high resolution satellite images: a case study using RapidEye imagery in Korea

open access: yesAIMS Environmental Science, 2016
Processing to correct atmospheric effects and classify all constituent pixels in a remote sensing image is required before the image is used to monitor plant growth.
Mijeong Kim   +4 more
doaj   +1 more source

Banco de sementes em cerrado sensu stricto sob queimada e sistemas de cultivo Seedbanks in cerrado sensu stricto under burning and cultivation system

open access: yesPesquisa Agropecuária Brasileira, 2008
O objetivo deste trabalho foi avaliar o efeito de queimada e de sistemas de cultivo sobre o banco de sementes em solo de Cerrado. Foi realizada amostragem em área sob cerrado sensu stricto queimada e não queimada, assim como em área de pastagem e lavoura
Fernanda Satie Ikeda   +3 more
doaj   +1 more source

The Spatiotemporal Distribution, Abundance, and Seasonal Dynamics of Cotton-Infesting Aphids in the Southern U.S.

open access: yesInsects, 2023
Cotton leafroll dwarf virus (CLRDV) is an emerging aphid-borne pathogen infecting cotton, Gossypium hirsutum L., in the southern United States (U.S.).
John W. Mahas   +17 more
doaj   +1 more source

Crop Foraging, Crop Losses, and Crop Raiding [PDF]

open access: yesAnnual Review of Anthropology, 2018
Crop foraging or crop raiding concerns wildlife foraging and farmers’ reactions and responses to it. To understand crop foraging and its value to wildlife or its implications for humans requires a cross-disciplinary approach that considers the behavior and ecology of wild animals engaging in this behavior; the types and levels of competition for ...
openaire   +2 more sources

Grassland and Cropland Net Ecosystem Production of the U.S. Great Plains: Regression Tree Model Development and Comparative Analysis

open access: yesRemote Sensing, 2016
This paper presents the methodology and results of two ecological-based net ecosystem production (NEP) regression tree models capable of up scaling measurements made at various flux tower sites throughout the U.S. Great Plains.
Bruce Wylie   +6 more
doaj   +1 more source

Research Status and Prospect on Height Estimation of Field Crop Using Near-Field Remote Sensing Technology

open access: yes智慧农业, 2021
Plant height is a key indicator to dynamically measure crop health and overall growth status, which is widely used to estimate the biological yield and final grain yield of crops.
ZHANG Jian   +3 more
doaj   +1 more source

Seasonal variation and its impacts in rice-growing regions of the Mekong Delta [PDF]

open access: yesInternational Journal of Climate Change Strategies and Management, 2021
Purpose – In recent years, agricultural activities in the Mekong Delta have frequently faced the potential risks of drought, saline intrusion and unusually heavy rainfall because of climate change, leading to a decline in crop yield.
Van Hong Nguyen, Hoang Phan Hai Yen
doaj   +1 more source

Lactifluus persicinus sp. nov. from the gallery forests of West Cameroon [PDF]

open access: yes, 2017
During field work in the Noun division of western Cameroon during 2011, 2012, and 2014, several collections of an unknown Lactifluus species were discovered in a gallery forest with Uapaca guineensis. Molecular and morphological research shows that these
De Crop, Eske   +3 more
core   +1 more source

Supplemental Food Production With Plants: A Review of NASA Research

open access: yesFrontiers in Astronomy and Space Sciences, 2021
Bioregenerative life-support systems for space have been investigated for 60 years, and plants and other photosynthetic organisms are central to this concept for their ability to produce food and O2, remove CO2, and help recycle wastewater.
Christina M. Johnson   +9 more
doaj   +1 more source

Mustard catch crop enhances denitrification in shallow groundwater beneath a spring barley field [PDF]

open access: yes, 2013
The study was funded by Department of Agriculture and Food through the Research Stimulus Fund Programme (Grant RSF 06383) in collaboration with the Department of Civil, Structural & Environmental Engineering, Trinity College Dublin, Ireland.peer ...
Coxon, Catherine E.   +6 more
core   +1 more source

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