Regime of soil humus rural residential areas organic farming systems

Шкарівська, Людмила Іванівна

doi:10.31073/zem.95.78-81

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“…L. Shkarivska et al (2021), scientists of the NSC "Institute of Agriculture of the National Academy of Sciences of Ukraine" also assure that it is possible to use digestates as fertilizers, but it is necessary to control the presence of heavy metals and trace elements in them, because thanks to the agrochemical examination of digestates and their by-product (liquid fraction) a high their nutrient content. Some laboratory studies have confirmed significant reductions in N 2 O emissions when using nitrification inhibitors in the digestate (Wolf et al, 2014;Severin et al, 2016).…”

Section: Resultsmentioning

confidence: 99%

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2022

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Section: Resultsmentioning

confidence: 99%

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2022

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Section: Fertilizer Application Rate T/ Ha (Factor A)mentioning

confidence: 99%

Non-traditional fertilizers to optimize winter rape nutrition

Adamovičs¹,

Berkis²,

Antipova³

2022

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The relevance of the topic is due to the need to optimize the nutrition of winter rape (Brassica napus L.), including the use of non-traditional fertilizers, taking into account the limited amount of low-cost mineral fats. The purpose of the research was to study the influence of a mixture of production by-products (wood ash and digestate) on the yield and quality of winter rapeseed. Field experiments were conducted at the "Peterlauki" research farm (Latvia). In agriculture, both wood ash and biomass digestate are used separately as materials for liming and fertilizers, while a high-quality fertilizer can be obtained from their mixture. The authors evaluated mixtures of cattle manure digestate and wood ash in different ratios. Analyzes from the groups of systemic, statistical and comparative were used. The next research methods are applied: generally accepted in crop production, field and laboratory - to clarify the interaction of the object of research with agrotechnical and natural abiotic factors; calculated and weighted - to determine the productivity of crops; calculation and comparison; mathematical and statistical (dispersion) - in order to estimate the probability of research results. It was determined that, using mixtures of wood ash and digestate, it is possible to obtain appropriate crops of winter rapeseed without the use of mineral fertilizers. A higher yield of this crop - 2.45 t/ha was obtained in cases where fertilizer rates of 10 t/ha were used for fertilization. Winter rape seeds had a higher oil content in variants with the use of a fertilized mixture of 5 t/ha, but without ammonium nitrate. The bulk weight (nature) of winter rapeseed in the investigated variants slightly exceeded 670 g/l. The scientific novelty is that the influence of the mixture of digestate and wood ash on productivity, including the oiliness of winter rapeseed, was evaluated. The practical value lies in the improvement of the technology of cultivation of the researched culture by means of a correctly selected mixture to optimize nutrition and obtain high-quality oil

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Regime of soil humus rural residential areas organic farming systems

Cited by 2 publications

References 0 publications

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Non-traditional fertilizers to optimize winter rape nutrition

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