Davide Cammarano, Jonathan Holland, Alberto Gianinetti, Marina Baronchelli, Domenico Ronga
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Impact of Nitrogen and Water on Barley Grain Yield and Malting Quality
Barley is among the most important crops in northern latitudes especially for malting and distilling. Inter-annual weather variability in terms of rainfall and temperature patterns can impact crop uptake of soil water and nitrogen, which influences the crop growth and development. The present study shows the effects of nitrogen and water applied on: (i) specific grain quality traits necessary for distilling; (ii) plant biomass, nitrogen, and yield; and (iii) farmer’s marginal net return. The experiment was conducted during the growing seasons of 2018 and 2019 at the James Hutton Institute (UK) with two nitrogen fertilizers and two irrigation levels. During the growing season soil mineral nitrogen and soil water content and plant biomass and nitrogen were measured. At harvest yield, yield component, and grain quality traits were determined.2018 was a very dry growing season, as opposed to the wetter 2019 respect to the long-term growing season rainfall (1974–2017). Grain yield in 2018 was higher for the irrigated treatment, but in 2019 the irrigation, due to high rainfall, had lower yield. Environmental conditions impacted grain quality, and the patterns of soil water and mineral N affecting the final quality traits. Despite variable weather conditions the grain quality requirements from the industry of either beer or whisky are met.
期刊介绍:
The Journal of Soil Science and Plant Nutrition is an international, peer reviewed journal devoted to publishing original research findings in the areas of soil science, plant nutrition, agriculture and environmental science.
Soil sciences submissions may cover physics, chemistry, biology, microbiology, mineralogy, ecology, pedology, soil classification and amelioration.
Plant nutrition and agriculture submissions may include plant production, physiology and metabolism of plants, plant ecology, diversity and sustainability of agricultural systems, organic and inorganic fertilization in relation to their impact on yields, quality of plants and ecological systems, and agroecosystems studies.
Submissions covering soil degradation, environmental pollution, nature conservation, and environmental protection are also welcome.
The journal considers for publication original research articles, technical notes, short communication, and reviews (both voluntary and by invitation), and letters to the editor.