Effect of Humus, Compost, and Vermicompost Extracts on the Net Energy Concentration, Net Energy of Lactation, and Energy Yield of Dactylis glomerata and Lolium perenne

Jacek Sosnowski, Milena Truba and Katarzyna Jarecka
Additional contact information
Jacek Sosnowski: Institute of Agriculture and Horticulture, Siedlce University of Natural Sciences and Humanities, Prusa 14, 08-110 Siedlce, Poland
Milena Truba: Institute of Agriculture and Horticulture, Siedlce University of Natural Sciences and Humanities, Prusa 14, 08-110 Siedlce, Poland
Katarzyna Jarecka: Institute of Agriculture and Horticulture, Siedlce University of Natural Sciences and Humanities, Prusa 14, 08-110 Siedlce, Poland

Agriculture, 2022, vol. 12, issue 8, 1-10

Abstract: The purpose of the research was to examine whether selected organic materials could increase the net energy concentration, net energy of lactation, and energy yield of two grass species. The main factors in the experiment were soil conditioners with the content based on compost, vermicompost and humus extract, applied separately and supplemented with NPK fertilizers. The second factor is grass species, Dactylis glomerata and Lolium perenne . Mineral fertilizer and compost extract resulted in a reduction in net energy concentration by about 5%. The largest value of net energy of lactation (NEL) was obtained after the application of humus extract with NPK. The average value of the energy yield was the biggest on units where biological extracts were applied together with NPK. That increase was from 63% for NPK applied together with humus extract to 76.5% for the NPK applied with compost extract. Of the applied humic substances, those applied together with mineral fertilizer had the greatest impact on net energy value and NEL. The use of compost extract contributed to a substantial increase in the yield of feed energy. Other biological substances applied together with mineral fertilizer also had a positive impact. Weather conditions in various years of the research differentiated feed energy values. Due to the complexity of the environment (soil, climate, plant), it is impossible to provide a universal combination of fertilizers that increases the energy value of forage. Therefore, it is important to carry out practical field experiments that will indicate the optimal fertilizer combinations suitable for the selected region.

Keywords: grass; feed; NEL; DLG standard (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations:

Downloads: (external link)
https://www.mdpi.com/2077-0472/12/8/1092/pdf (application/pdf)
https://www.mdpi.com/2077-0472/12/8/1092/ (text/html)

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:gam:jagris:v:12:y:2022:i:8:p:1092-:d:871813

Access Statistics for this article

Agriculture is currently edited by Ms. Leda Xuan

More articles in Agriculture from MDPI
Bibliographic data for series maintained by MDPI Indexing Manager ().