Results 21 to 30 of about 669,516 (293)

The violations of collective farm law and labor legislation in agriculture in the middle of the 1960s (by the materials from Ulyanovsk and Penza regions)

open access: yesИзвестия высших учебных заведений. Поволжский регион: Гуманитарные науки, 2022
Background. The significance of the problem under study is due to the fact that the peasantry has always been the most disenfranchised part of society in Russia.
D.V. Ivanchuk
doaj   +1 more source

Late-spring Turfgrass Establishment without Herbicides

open access: yesHortTechnology, 2023
Spring establishment of turfgrass that is managed without herbicides is subject to weed competition, resulting in reduced turfgrass cover. The objective of this experiment was to find an acceptable method for spring turfgrass establishment without the ...
Andrew R. Muntz   +3 more
doaj   +1 more source

Estimating Capacity Utilization of Chinese State Farms [PDF]

open access: yesSustainability, 2019
As the most populous country in the world, China has one of the largest agricultural systems in the world, which plays an important role in ensuring China’s food security. The state farms comprise an integral part of China’s agricultural system. However, there have been few studies evaluating the efficiency and capacity utilization of China’s state ...
Liu, Zhuo-wan   +3 more
openaire   +2 more sources

Assessing MHC-B diversity in Silkie chickens

open access: yesPoultry Science, 2020
The major histocompatibility complex (MHC) is a highly polymorphic region on chromosome 16, which contains numerous immune response genes, and is known to influence disease susceptibility and resistance in chickens.
Katy J. Tarrant   +3 more
doaj   +1 more source

THE ESTABLISHMENT, OPERATION AND LIQUIDATION OF STATE-OWNEDFARMS [PDF]

open access: yesAnnals of the Polish Association of Agricultural and Agribusiness Economists, 2017
This paper presents the indications of setting up the state-owned farms in the institutional sense, the general characteristicsof their activities and the organizational changes in more than 40 years of their existence, as well as the reasons for ...
Eugeniusz Niedzielski
doaj   +1 more source

Iron Content in Deep Gray Matter as a Function of Age Using Quantitative Susceptibility Mapping: A Multicenter Study

open access: yesFrontiers in Neuroscience, 2021
PurposeTo evaluate the effect of resolution on iron content using quantitative susceptibility mapping (QSM); to verify the consistency of QSM across field strengths and manufacturers in evaluating the iron content of deep gray matter (DGM) of the human ...
Yan Li   +16 more
doaj   +1 more source

Farm and Non-Farm Alternatives for Increasing Incomes of Small New York State Dairy Farms [PDF]

open access: yesJournal of the Northeastern Agricultural Economics Council, 1975
Cochrane has described the shape of modern agriculture as a world with highly productive, commercial farmers at one extreme and the world of poor, low-production farmers at the other. In the highly productive world, technology and farm expansion have resulted in increased yields and production on many farms.
Wardle, Christopher   +1 more
openaire   +2 more sources

A lidar-based openness index to aid conservation planning for grassland wildlife

open access: yesAvian Conservation and Ecology, 2022
Visual openness is a key element in habitat selection for many animals of grasslands and other open habitats, especially birds. Obstructions to visual openness in the form of human infrastructure or inopportune woody vegetation growth can lead to habitat
Michael C. Allen   +3 more
doaj  

Freezing ability of two slow permeating cryoprotectants on rooster semen diluted with tris egg-yolk juice extender

open access: yesLetters in Animal Biology, 2021
Cryo-damage reduction with slow permeating cryoprotectants has been identified as a promising approach for poultry semen preservation. This study was conducted to evaluate the efficacy of dimethylformamide (DMF), methylacetamide (MA), and their mixtures (
Adedeji Suleimon Balogun   +6 more
doaj   +1 more source

Centennial Review: History and husbandry recommendations for raising Pekin ducks in research or commercial production

open access: yesPoultry Science, 2021
: By some accounts, ducks were domesticated between 400 and 10,000 yr ago and have been a growing portion of the poultry industry for decades. Ducks specifically, and waterfowl in general, have unique health, housing, nutrition and welfare concerns ...
X. Chen   +9 more
doaj   +1 more source

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