Results 21 to 30 of about 417,330 (328)

Abundance of Coccinellids and Their Potential Prey in Field-Crop and Grass Habitats in Eastern South Dakota [PDF]

open access: yes, 2018
A rich fauna of coccinellids occurs in eastern South Dakota, but the abundance of some species has declined in association with the establishment of an exotic lady beetle, Coccinella septempunctata (L.) (Coleoptera: Coccinellidae), in the mid-1980s.
Ellsbury, Michael M   +2 more
core   +2 more sources

Effects of Different Main Soil Tillage Methods on The Vertical Distribution of Sunflower Seeds in The Soil Layer and Plant Development

open access: yesYüzüncü Yıl Üniversitesi Tarim Bilimleri Dergisi, 2021
The investigation was carried out on slightly leached chernozem soil type during 2014 – 2016. The effects of different soil tillage methods for sunflower on the vertical distribution of the seeds in the soil layer and the development of the plants were ...
Peter YANKOV, Miglena DRUMEVA
doaj   +1 more source

CHANGE OF WEEDINESS IN A FIVE-FIELD CROP ROTATION BY MINIMIZING THE MAIN TILLAGE OF THE SOIL AND DIFFERENT LEVELS OF FERTILIZER AND ITS IMPACT ON CROP PRODUCTIVITY [PDF]

open access: yesScientific Papers Series : Management, Economic Engineering in Agriculture and Rural Development, 2023
This researchwas carried out in a stationary field trial on a typical deep low-humus black soil at the experimental field of Bila Tserkva National Agrarian University.
Ivan PRYMAK   +8 more
doaj  

Wheat Stem Maggot in Spring Wheat-Alfalfa Intercrops With Different Crop Management Intensities [PDF]

open access: yes, 2018
Larval infestations and adult counts of wheat stem maggot (Meormyza americana) were each compared among plots of intercropped spring wheat and alfalfa grown under high, intermediate, or low crop management intensity (CMI).
Hesler, Louis S, Kieckhefer, Robert W
core   +3 more sources

INFLUENCE OF MULTIPLE DERATIZATION AND REDUCE TILLAGE REGIMES ON POPULATION DINAMICS OF COMMON VOLE (Microtus arvalis Pallas, 1778) IN WINTER WHEAT [PDF]

open access: yesPoljoprivreda, 2004
Common vole (Microtus arvalis Pallas, 1778) is one of the economically important rodents, especially in winter wheat. Multiple deratizations were done on the locality of Kneževo, “Belje” d.d., in winter wheat with different tillage treatments.
Stjepan Pančić   +3 more
doaj  

Universal implement for the basic soil cultivation with replaceable working bodies for tractors of a thrust class 3,0

open access: yesАграрная наука Евро-Северо-Востока, 2018
For conditions of the European part of north-eastern Russia the technologies of crop cultivation based on the use of a combined system of basic soil cultivation are most effective economically.
S. L. Dyomshin   +2 more
doaj   +1 more source

Abundance of Cereal Aphids (Homoptera: Aphididae) and Their Predators in Spring Wheat-Alfalfa Intercrops Under Different Crop Management Intensities [PDF]

open access: yes, 2018
Natural infestations of cereal aphids and abundance of their predators were compared from 1990 through 1993 among plots of intercropped spring wheat and alfalfa grown under high, intermediate, or low crop management intensity (CMI).
Evenson, Paul D   +2 more
core   +2 more sources

The effect of primary and preliminary methods of soil treatments and fertilizers on the productivity of field crop rotation link

open access: yesАграрная наука Евро-Северо-Востока, 2018
The article provides the results of 2014-2016 studies of the effect of macro- and micro fertilizers in the link of field crop rotation on fodder productivity and weed infestation on the background of basic and presowing cultivation of leached chernozem ...
E. N. Khvostov, L. N. Prokina
doaj   +1 more source

An experimental evaluation of cattail (Typha spp.) cutting depths on subsequent regrowth [PDF]

open access: yes, 2020
Citation: Moorberg, C. & Ahlers, A. (2020). An experimental evaluation of cattail (Typha spp.) cutting depths on subsequent regrowth.Cattail (Typha spp.) expansions can negatively affect both native wetland flora and fauna diversity, and active ...
Ahlers, Adam A, Moorberg, Colby J.
core  

Winter waterbird and food dynamics in autumn‐managed moist‐soil wetlands in the Mississippi Alluvial Valley

open access: yesWildlife Society Bulletin, 2012
Managed moist‐soil wetlands are important habitats for waterfowl and other waterbirds in the Mississippi Alluvial Valley (MAV) and elsewhere in North America. These wetlands often contain abundant food resources, but they also contain tall and dense (i.e.
Heath M. Hagy, Richard M. Kaminski
doaj   +1 more source

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