非传统肥料优化冬油菜营养

A. Adamovics, Rihards Berkis, Lidia Antipova
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引用次数: 1

摘要

该主题的相关性是由于需要优化冬季油菜(Brassica napus L.)的营养,包括使用非传统肥料,同时考虑到数量有限的低成本矿物脂肪。本研究旨在研究生产副产物(木灰和消化液)混合后对冬油菜籽产量和品质的影响。在“Peterlauki”研究农场(拉脱维亚)进行了实地试验。在农业中,木灰和生物质消化液分别用作石灰和肥料的材料,而从它们的混合物中可以获得高质量的肥料。作者评价了不同比例的牛粪和木灰的混合物。采用系统分析法、统计分析法和比较分析法。接下来的研究方法是应用:普遍接受的作物生产,田间和实验室-澄清研究对象与农业技术和自然非生物因素的相互作用;计算和加权-确定作物的生产力;计算比较;数学和统计(分散)-为了估计研究结果的概率。结果表明,在不使用矿物肥料的情况下,使用木灰和消化液的混合物可以获得适当的冬季油菜籽作物。在施用10吨/公顷化肥的情况下,这种作物的产量更高,为2.45吨/公顷。施用5吨/公顷的混合肥料,但不施用硝酸铵,冬油菜籽粒含油量较高。所调查的变种中,冬油菜籽的容重(性质)略大于670 g/l。科学的新颖之处在于,评价了消化液与木灰混合对冬油菜籽产量的影响,包括油菜籽的油性。其实用价值在于通过正确选择混合物,改进所研究培养物的培养技术,优化营养,获得优质油
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Non-traditional fertilizers to optimize winter rape nutrition
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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