Seed distribution drivers at an early stage of vegetation development in a sand quarry
Distribution of seeds on the bare ground slope in a sand quarry in the vicinity of Saint-Petersburg. Species composition of pioneer communities and surrounding vegetation, the timing of a growing season. Dissemination period seeds of anemochorous plants.
Подобные документы
The species composition of pests (the groups of Coleoptera, Hemiptera, Orthoptera, Diptera and Lepidoptera) that spread in the agricultural farms of Imishli and Agdash districts, where sugar beet is grown, in the private backyards of the population.
статья, добавлен 10.10.2024- 77. Scientific support of production experiments in forest plantations of green zone in Nur-Sultan city
Selection of an assortment of sustainable introduced species in the green belt of Nursultan. Monitoring the growth and condition of artificial plantations. Research of forest cultures of coniferous plants. Agrotechnical care, protection against rodents.
статья, добавлен 18.03.2021 The influence of the nutrient medium on pollen germination of a number of homostylous and heterostylous flax species. The effect of successful in vitro pollen germination in species of the genus Linum on the evaluation of the quality of flax pollen.
статья, добавлен 04.09.2024Optimization with the use of mathematical planning of the nutrient medium for the development of shoots from the tips with leaf rudiments in the genotypes of grapes. Differences in genotypes according to the need for concentrations of macroelements.
статья, добавлен 27.04.2017Study of the North-Western region of Ukraine as to the distribution and flight periods of blood-sucking dipteran insects, zoophilic flies, and botflies to protect the cattle from their attacks. Analysis of periods of increased activity of the midges.
статья, добавлен 29.06.2022To study the influence of different systems of soil cultivation on the impurity species and the development of diseases of winter wheat in the area of Western Polissia. Determination of phenological phases of growth and development of diseases.
статья, добавлен 29.06.2022The economic evaluation of land, separation and distribution, effective management of lease rights, minimization of natural and economic risks, elaboration of the principles of transition to sustainable land use is acute. Agriculture: land values.
статья, добавлен 18.10.2022The efficiency of certain elements of the technology of growing binary coenoses of grain and leguminous crops in the soil and climatic conditions of the Western Forest Steppe. The effect of mineral fertilizer on the formation of the crop structure.
статья, добавлен 12.12.2023- 84. Study of the influence of low concentrations of a-zearalanol in feed on reproductive quality of hens
The effect of a-zearalanol at low concentrations on the reproductive properties of laying hens. Preservation of poultry, weight and hatchability of eggs, distribution of waste by periods of incubation. Decrease in the death of embryos in the later stages.
статья, добавлен 29.06.2022 - 85. Selection of adaptive soybean varieties in cultivation technology under conditions of climate change
Highlights of the results of the analysis of the State Register of plant varieties suitable for distribution in Ukraine. Changes in climatic conditions for the cultivation of major crops, there is an urgent need for the selection of adaptive varieties.
статья, добавлен 18.12.2023 Study and characteristic of the effect of growth regulators on tomato lycopersicon esculentum plants. Analysis of the effect of growth regulators Hemo bles (containing humic acid) and Magictone on the growth and physiological parameters of tomato plants.
статья, добавлен 22.03.2021Development of aggregates of embryoids. The use of proembriogenous suspensions consisting mainly of individual cells in gene transformation and selection at the cellular level in order to reduce the likelihood of the appearance of chimeric plants.
научная работа, добавлен 20.05.2017The functioning of food industry enterprises in the territories of Northern Bukovyna and Khotyn region in the interwar period. Consideration of the food industry by enterprises of the flour milling, sugar, alcohol, milk and meat processing industries.
статья, добавлен 03.04.2023To make an assessment and to determine the effectiveness of different irrigation methods for the growing soybeans and corn, which are based on economic and energy parameters. Definition and characteristics of features of the use of drip irrigation.
статья, добавлен 28.06.2022Общая характеристика и условия применения двух гранулированных форм фосфорных биоудобрений на основе фосфоритной руды и двух высокоактивных фосфатрастворяющих штаммов: Acinetobacter species 305 и Pseudomonas species 181а. Оценка их эффективности.
статья, добавлен 22.05.2017The study shows that the population of the area is highly dependent on wetlands for drinking and irrigation water, building materials, wicker products and forage plants. Drainage of swamps caused the drying up of springs, death of animals and plants.
статья, добавлен 18.03.2021The identify the prevalence of diarrhea caused by rotavirus and coronavirus in newborn calves located in the North-West region of the republic using rapid testing. Detection rates of pathogens in animal manure samples and distribution by age groups.
статья, добавлен 02.10.2024Distribution of values of magnetic susceptibility of soils of agricultural land of the chernozem zone of the Left Bank of Ukraine, assessment of their informative value for soil organic carbon control at the regional level. Scheme of soil sampling points.
статья, добавлен 10.08.2022Patterns of functioning of the photosynthetic apparatus of soybean plants under different elements of cultivation technology. Characteristics of observation of higher activity of chlorophyll and enzymes of the Calvin cycle in the phase of bean filling.
статья, добавлен 03.07.2022In the process of ripening, due to the chemical processes occurring in the composition of the berry. In the course of our research, we investigated the change in the organoleptic properties of grape varieties of medium and late ripening periods.
статья, добавлен 03.09.2024The effect of acetolactase inhibitors and their mixtures on the selective phytotoxicity of soybean plants. The contribution of the stress response to the action of the herbicide, the formation and functioning of the symbiotic nitrogen fixation system.
статья, добавлен 31.01.2024To determine the effect of method of irrigation and plant density on growth, development, and yield of seed lines of corn, which are the parental components of the innovative hybrids. The results of phenological, biometric yield data were processed.
статья, добавлен 29.06.2022Changing the hydromodule zoning of irrigated lands in the Khorezm oasis in case of water shortage. Distribution of irrigated lands in hydromodule areas and determination of scientific methods of irrigation for the main areas of the Khorezm region.
статья, добавлен 27.02.2021Features of further intensive distribution of Ambrosia artemisiifolia L. in Europe and Ukraine. Botanical characteristics of this plant. Identification of new locations of A. artemisiifolia in the conditions of the Right Bank Forest Steppe of Ukraine.
статья, добавлен 08.01.2024The influence of weather conditions on the formation of the components of the chemical composition of cherry fruits. Determining the content of dry soluble substances, tannins and pigments in the fruits of cherry of varieties Alpha and Pamiat Artemenka.
статья, добавлен 12.08.2022