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сколько стоит заказать работу? коллекция "otherreferats"
Главная Коллекция "Otherreferats" Сельское, лесное хозяйство и землепользование
  • 391. Rice cultivation in Amur region

    Analysis of the results of studies of rice cultivation under different irrigation regimes in the conditions of the southern zone of the Amur region. Study of rice irrigation regimes that combine differentiation of pre-irrigation moisture thresholds.

    статья (29,8 K)
  • 392. Rice lodging resistance

    Creation of varieties with high resistance to biotic and abiotic environmental factors. Morphological characteristics of different rice varieties and the degree of their relationship, which determines the resistance of the rice plant to lodging.

    статья (1,3 M)
  • 393. Risks of functioning of the enterprises of agricultural engineering of the southern federal district in the wto and the need for correction of regional economic policy

    The need for technical modernization of agriculture. Risks of functioning of the enterprises of agricultural mechanical engineering in Russia on an example of the company "Rostselmash". The requirement of the standardization and technical regulation.

    статья (40,2 K)
  • 394. Robinia Рseudoacacia L. – важливий інтродукований деревний вид у захисних насадженнях лісоаграрних ландшафтів України

    Значення робінії звичайної в лісоаграрних ландшафтах України як економічно важливої культури, що використовується для отримання ділової деревини і дров, біомаси для енергетичних потреб, для боротьби з ерозією. Принципи її контрольованого використання.

    статья (39,8 K)
  • 395. Scientific achievements of I.M. Yeremeiev - a significant contribution to the development of the national plant breeding

    The contribution of Professor I.M. Yeremeiev to the development of domestic science. He entered the history of selection as the leading co-author of winter wheat "Ukrainian 0246", which is the pride of domestic selection and a calling card of Ukraine.

    статья (27,7 K)
  • 396. 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.

    статья (598,0 K)
  • 397. Seed interferon imbibition leads seedling growth enhancement accompanying by increase in superoxide dismutase activity

    Study of canola in vitro seedling growth. Analysis physiological and biochemical parameters of canola seedlings after interferon alpha imbibition. Measurement of germination, seedling fresh weight, total soluble protein, and superoxide dismutase activity.

    статья (327,6 K)
  • 398. Seed production of tomato varieties depending on planting schemes and fertilizers in the conditions of Southern Steppe

    The influence of planting schemes and fertilizing on the cultivation of different varieties of tomato, their yield and sowing quality of seeds in conditions of Southern Steppe. Improvements of technologies of cultivation of sorts of domestic selection.

    статья (83,1 K)
  • 399. Selecting the best target function to predict crop yields using their water use through regression analysis

    Determination of the most effective regression model for forecasting the production of corn for grain, soybeans and winter wheat. Rationale for the effectiveness of using the cubic regression function for yield estimation in agricultural research.

    статья (29,4 K)
  • 400. 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 (109,3 K)
  • 401. Shift in fungal communities associated with Pinus sylvestris L. stands affected by root rot

    Evaluation of the species and functional composition of fungal communities in Pinus sylvestris stands affected by root rot Heterobasidion annosum. Correlation between the taxonomic composition of root system fungi and the physiological state of trees.

    статья (222,9 K)
  • 402. Socio-economic impacts of the exploitation of the marshes of Kayanza province in the Northern Burundi: case of marshes of the average Ruvubu and its tributaries

    The 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 (24,8 K)
  • 403. Sociological aspects of the transformation of agrarian structure of Serbia in 1990-2018

    Land reform in Serbia its outcome in the form of farm structures and land fragmentation. Agriculture and the changes of the social structure. The emergence of agricultural enterprises as a result of the privatization process, differentiated peasantry.

    статья (20,3 K)
  • 404. Soil Fertility and the organic standards

    Overview of the soil's ability to support plant growth, provide a plant habitat and consistent and consistent yields of high quality. The determination of the cornerstone contribution to fertility and fertility. Analysis of changes in compost and manure.

    презентация (2,2 M)
  • 405. Some prospects of growing and use of china aster for space greening in podillia zone

    Annual aster as one of the priority decorative flower plants. Identification of the most adapted and stable samples among collection varieties. Prospects for the cultivation of varieties of Chinese aster in the green spaces of the Vinnitsa region.

    статья (119,8 K)
  • 406. Soviet and post-soviet models of development of the timber industry complex of Russia in the second half of the 20th century: problems, challenges, solutions

    Identification of general and specific trends in the implementation of models of the Soviet and post-Soviet modernization of the forest industry in Russia. Analysis of the interaction between the state, the timber industry complex and the region.

    статья (72,6 K)
  • 407. Sowing date of spinach hybrids

    The influence of sowing date on the plans productivity of spinach. The dependence of the sowing date on soil fertility. The influence of sowing period on the yield and quality of garden spinach grown in the conditions of the Southern Steppe of Ukraine.

    статья (54,0 K)
  • 408. Specificity of using ornamental shrubs in planting areas for different purposes under conditions of Southern Ukraine

    Using ornamental shrubs in planting areas for different purposes applied as single plants or in compositions for hedging. Combining Berberis thunbergii L. and its ornamental characteristics with other plants to create horticultural compositions.

    статья (527,8 K)
  • 409. State and ways to increase soil fertility of the south-steppe zone of Ukraine

    Substantiate of the modern landscape-ecological state of agricultural lands. The development of the agrobiological measures to increase the fertility of degraded dark chestnut soils of the Steppe zone of Ukraine in conditions of natural moisture.

    статья (491,4 K)
  • 410. Statistical study of the dynamics of sunflower production: new realities and challenges of the time

    Analysis of the sunflower production dynamics in Ukraine, including the new challenges of the current time, including evolution of production practices, market trends, economic implications, environmental considerations and the impact of global factors.

    статья (258,9 K)
  • 411. Sterrnorhyncha: Aphididae) - Invasive Alien Aphid Species in the Fauna of Belarus

    The main results of aphidological publications on the first registration of large chicory aphids in Europe. Chronology of Publications Which Content Information on Registrations of the Large Chicory Aphid (Uroleucon Cichorii in the European Region.

    статья (787,2 K)
  • 412. Structural state of chernozems of Forest-Steppe zone at agrogenic impact

    Determination of the main regularities of the transformation of the structural state of chernozems of the Forest-Steppe zone under conditions of long-term agrogene transformation. Regularities at the increase of agro- and technogenic load on chernozem.

    статья (251,3 K)
  • 413. Studies on the toxicity of C-phycocyanin in guppy fish and infusoria paramecium caudatum

    C-phycocyanin as a protein complex that belongs to phycobiliproteins and can be used as one of the potential natural components to improve the feeding of commercial fish. Assessment of its impact on the organism of protozoa and fish, prospects for use.

    статья (23,5 K)
  • 414. Study and evaluation of white clover samples as a source material for selection in the conditions of Precarpathian

    One of the most common perennial legume grasses of Precarpathian, a valuable component of grass mixtures in improving natural hayfields and creating cultivated pastures is white clover. It do not concede to red and hybrid clover by protein content.

    статья (53,8 K)
  • 415. Study collection potato varieties for resistance to viral diseases

    Characteristic of hydrothermal coefficient of the growing season potatoes. Analysis of symptoms banded mosaic and leaf curl virus on potato. Study of resistance to banded mosaic and basic household characteristics of the resistant potato varieties.

    статья (1,0 M)
  • 416. Study of distribution and species composition of ticks in the south and south-eastern regions of Ukraine

    Ticks as carriers of infectious diseases. Further investigation of the expansion of the species range of ticks as carriers of infectious diseases in areas of possible tick-creature, tick-human contact in the wild and wild-like regions of Ukraine.

    статья (100,0 K)
  • 417. Study of fungicide prothioconazole residues in crops under field conditions in Ukraine

    The determination of new pesticide's active ingredient prothioconazole residues after crops treatment. Prothioconazole in terms of degradation rate of in the crops belongs to the pesticides of hazard class 3. Classification, recommendation for safety use.

    статья (190,9 K)
  • 418. Study of nutritional ingredients of oranges (Citrus Sinensis (L.) OSB.) grown in Vietnam

    Description of the nutrients rich in ripe oranges, popular in tropical, subtropical climates. Determining the most appropriate time for them to pick oranges. Identification of the influence of an earlier or later harvest of fruits on their palatability.

    статья (20,7 K)
  • 419. Study of the adaptability and resistance of potato genotypes to Fusarium solani (smart.)

    Study of potato varieties with increased adaptability in changing conditions of the year. Study of yield indicators and stress resistance of potato varieties to phytopathogenic micromycetes Fusarium solani as an element of plant adaptation potential.

    статья (197,0 K)
  • 420. 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 (25,8 K)

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