Results 61 to 70 of about 71,098 (265)
Estimation of the environment as background for selection on adaptivity in white lupine breeding
A representative evaluation of the breeding value of genotypes in the development of varieties with general and specific adaptability is possible using special features of nature background, which often do not coincide in informativity regarding the ...
Natalia Georgieva, Valentin Kosev
doaj
Nutritive value responses to biological products in alfalfa forage (Medicago sativa L.) [PDF]
The effects of the biological insecticides Madex and Agricolle, applied alone or in combination with the biological fertilizers Lithovit and Nagro, on chemical composition and enzyme in vitro digestibility, as well as energy feeding value of alfalfa dry ...
Mitkova-Nikolova Ivelina +2 more
doaj
Abstract Germany's Renewable Energy Sources Act (REA), enacted in 2000 and subsequently amended, subsidized national renewable energy production with fixed feed‐in tariffs for renewable energy sources (RE) from wind, solar, and biogas. Empirical studies suggest that the policy was creating windfall effects for landowners and attribute farmland use ...
Lars Isenhardt +6 more
wiley +1 more source
Accounting for animal health in efficiency analysis: An application to Swedish dairy farms
Abstract Poor animal health is a central concern in modern livestock production. Despite the necessity to incorporate animal health in efficiency analysis, the theoretical and empirical developments are limited on this subject. This article appropriately characterizes the axiomatic properties of animal health within a production framework.
Frederic Ang +3 more
wiley +1 more source
The forage plant cell walls fiber components, determining energy feeding value and enzyme in vitro digest¬ibility as the main forage quality characteristics are variable in the vegetation.
YORDANKA NAYDENOVA +2 more
doaj
Scientific research with animals in the UK is regulated by the Animals (Scientific Procedures) Act 1986 with the National Centre for the Replacement, Refinement and Reduction of Animals in Research providing support for best practice and facilitating development of new approach methodologies.
Ewan St. John Smith +6 more
wiley +1 more source
Abstract Premise Applied ecology can significantly influence policy decisions on environmental issues. Therefore, research in this field should be as transparent and reproducible as possible. Existing expertise from a broad range of disciplines should also be integrated into ecological research to allow researchers to maximize understanding of complex ...
Kailin Weitkämper +5 more
wiley +1 more source
Organic cultivation of field pea by use of products with different action
The possibilities for increasing the productivity and control of the pea weevil (Bruchus pisorum L.) in field pea (Pisum sativum L.) organic cultivation by the use of following bioproducts NeemAzal T/S and Pyrethrum FS-EC (insecticides), applied ...
Natalia Georgieva +2 more
doaj +1 more source
Mandible composition and properties in two selected praying mantises (Insecta, Mantodea)
Abstract Insects process their food with their cuticle‐based mouthparts. These feeding structures reflect their diversity and can, in some cases, showcase adaptations in material composition, mechanical properties, and shape to suit their specific dietary preferences.
Malo Roze +3 more
wiley +1 more source
Ecological estimation of swards grown in the region of Middle Balkan Mountains
One of the main problems in contemporary agrarian production is the irrational utilization and management of natural resources as well as non-compliance with the biological characteristics of particular species in accordance with their adaptability ...
Natalia Anastasova Georgieva +2 more
doaj

