Journal
AGRICULTURE-BASEL
Volume 13, Issue 6, Pages -Publisher
MDPI
DOI: 10.3390/agriculture13061112
Keywords
biochemical methane potential; dimensions; friability; nutritive value; phytomass quality; seeds properties
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The research aims to explore the potential of non-traditional plant species in Moldova from different families. The study focuses on the seed properties and phytomass quality of these plants. The results show that the dimensional proportionality criterion effectively reflects the seed structure, and the new crops have high friability. The natural fodder from these plants has good nutritional content, and the studied vegetal substrates have a high biomethane potential.
The purpose of this research is to capitalise on the potential of non-traditional plant species in the Republic of Moldova from the families Asteraceae (cup plant Silphium perfoliatum; cardoon Cynara cardunculus), Fabaceae (fodder galega Galega orientalis, sand sainfoin Onobrychis arenaria), Hydrophylaceae (phacelia Phacelia tanacetifolia), Malvaceae (curly mallow Malva crispa; Virginia mallow Sida hermaphrodita) and Poaceae (perennial sorghum Sorghum almum, pearl millet Pennisetum glaucum). The study presents the research results on the seed properties (dimensional parameters, structure, friability, apparent specific mass, mass of 1000 seeds) and on the phytomass quality of the above-mentioned plants. The obtained results demonstrate that the criterion of dimensional proportionality K-dp, proposed in this paper, effectively reflects the structure of the seeds; the seeds of new crops (except phacelia) have high friability (angle of repose & alpha; & LE; 33 & DEG; and angle of static friction on steel & alpha;(1) & LE; 27.8 & DEG;, on wood & alpha;(1) = 34.7 & DEG;, on enamelled surface & alpha;(1) = 30 & DEG;). The natural fodder from the researched species is characterised by a crude protein content of 9.0-23.4%, dry matter digestibility of 56.0-66.5%, digestible energy load of 11.16-12.95 MJ kg(-1), metabolizable energy of 9.16-10.63 MJ kg(-1), net energy for lactation of 5.18-6.76 MJ kg(-1), and relative feed value RFV = 74-129. The biochemical biomethane potential from studied vegetal substrates is 297-353 l kg(-1) VS.
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