期刊
AGRONOMY-BASEL
卷 12, 期 1, 页码 -出版社
MDPI
DOI: 10.3390/agronomy12010175
关键词
composts; maturity; willow; fertilizing value
资金
- Wroclaw University of Environmental and Life Sciences
This study determined the feasibility of using willow biomass composts as a substrate component in horticulture, and found that the addition of hay and mineral nitrogen improved the composting process and increased the fertilizing value of the composts.
Soil amendments from peats, brown coals and composts produced from segregated biodegradable waste or biomass from fallow land can increase soil fertility and improve soil productivity. The aim of the study was to determine the possibility of using willow (Salix viminalis L.) biomass composts as a substrate component in horticulture. The objects of the research were composts produced from willow carried out in a pile under aerobic conditions. The addition of hay and mineral nitrogen (Nmin) was used to improve process efficiency. In order to verify the type and determine fertilizing value, basic chemical parameters were analyzed (pH, total contents of C, N and P) and a pot experiment was established to analyze the germination and growth of lettuce (Lactuca sativa L.). Changes in pH, an increase in total nitrogen content (TN), phosphorus (TP) and a decrease in TOC was observed in the investigated samples. Results of the experiment showed that the highest yield was obtained from the pots with the mixture of willow, hay and Nmin. Matured composts significantly stimulated the germination and growth of the test plants. It can be concluded that the addition of hay and Nmin significantly improved composting process and increased the fertilizing value of the investigated composts.
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