Results 61 to 70 of about 217,159 (311)

Corn Cropping Systems to Improve Economic and Environmental Health [PDF]

open access: yes, 2017
In 2017, UVM Extension’s Northwest Crops & Soils Program continued a multi-year trial at Borderview Research Farm in Alburgh, VT to assess the impact of corn cropping systems on overall health and productivity of the crop and soil.
Cubins, Julija   +4 more
core   +1 more source

Photothermal Macroporous Lignin Cryogels for Off‐Grid, Continuous Atmospheric Water Collection via Interlayer Heat Recovery

open access: yesAdvanced Functional Materials, EarlyView.
Photothermal, macroporous lignin‐based cryogels are engineered to convert sunlight into low‐grade heat. Integrated as stacked beds in a drum‐type device, a thin copper interlayer transfers waste heat between beds, enabling interlayer heat recovery and continuous solar cycling.
Jie Yan   +8 more
wiley   +1 more source

Crop rotation improves nitrogen utilization

open access: yesCalifornia Agriculture, 1977
Crop rotation and efficient fertilization practices minimize the amount of nitrate nitrogen reaching groundwaters from fertilizers. Cereal crops reduce soil nitrogen levels by using nitrogen remaining after previous crops.
P Osterli, J Meyer
doaj  

Rationale and Motivation of Agricultural Producers in Adopting Crop Rotation in the Northern Great Plains, USA

open access: yesInternational Journal of Agricultural Sustainability, 2019
Despite several environmental and economic benefits of crop rotation, the adoption of this agricultural practice is relatively low. Understanding the reasons for low adoption is important from a sustainability policy perspective.
Bishal B. Kasu   +4 more
doaj   +1 more source

Manual on prototyping methodology and multifunctional crop rotation [PDF]

open access: yes, 2002
This VEGINECO manual is one of a series of publications resulting from the VEGINECO project. VEGINECO specialises in producing tested and improved multi-objective farming methods for key farming practices – e.g.
Garcia Diaz, A., Haan, J.J., de
core   +1 more source

Weediness of crops in various crop rotations

open access: yesIOP Conference Series: Earth and Environmental Science, 2019
Abstract Weediness of crops of field crops is examined in various crop rotations. Different types of weeds have unequal effects on crop plants. An expression of this effect is the harmfulness of weeds, which leads to a decrease in yield and a deterioration in the quality of the products.
S A Zamyatin   +3 more
openaire   +1 more source

Laser‐Welded Cellulose‐Carbon Nanotube Nanocomposites as a 3D Scaffold of Si Anodes for High‐Performance Lithium‐Ion Batteries

open access: yesAdvanced Functional Materials, EarlyView.
A Si anode comprising entangled networks of cellulose and SWCNT (C‐CNT) nanocomposites as an anode electrode for a high‐performance LIB is realized by fully utilizing the generated microstructure of a novel conductive 3D scaffold via a low‐temperature and eco‐friendly process. Additionally, localized heating via photo‐thermal conversion can be utilized
Boeun Ryu   +5 more
wiley   +1 more source

Effects of the second crop on maize yield and yield components in organic agriculture [PDF]

open access: yes, 2008
The second crop use in organic agriculture is a known method of maintaining the soil tilth, soil protection against environmental deterioration, soil nutrients conservation and even the weed control.
Birkás, Márta   +6 more
core  

Ultrastable Photoactive Halide Perovskite Nanocrystal‐Sensitized SnO2 Nanorods for Room‐Temperature NO2 Detection

open access: yesAdvanced Functional Materials, EarlyView.
ABSTRACT Metal oxide (MOx)‐based NO2 gas sensors typically require high temperatures or ultraviolet light, limiting their practical use. To enable visible‐light activation at room temperature, efficient and stable photosensitizers should be integrated with nanostructured MOx hosts.
Yeonji Yuk   +10 more
wiley   +1 more source

Learning from a long-term crop rotation experiment [PDF]

open access: yes, 2005
A crop rotation experiment was established in 1996/97 at three locations representing differ-ent soil types and climates. Three factors were tested: i) crop rotation with different propor-tions of N2-fixing crops, ii) with and without a catch crop, and ...
Askegaard, Margrethe   +2 more
core  

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