GRASSLAND PRODUCTIVITY IN THE INFERIOR
HYDROGRAPHIC BASIN OF MOTRU RIVER
Teodor MARUȘCA, DanielRĂDUȚOIU, Monica AlexandrinaTOD,
MarcelaM. M. DRAGOȘ
Abstract.
The permanent grasslands of the lower basin of Motru river are
particularly valuable, expressed in phytodiversity and productivity. The
average number of cormophyte species is 117 in the 12 associations with 116
surveys. The most species were found in the associations Festucetum rupicolae
(191), Festuco rubrae - Agrostetum capillaris (168) and Festucetum
valesiaco-rupicolae (143 species). The participation of forage species in the
grassy carpet reaches 66%, directly influencing productivity. The average production
of forage green mass (GM) was evaluated at 10.31 t/ha with a pastoral value
(PV) of 52.1 which can provide 4390 liters of cow's milk in 160 days grazing
season from grass alone. The most valuable are grassland of the association
Trifolio repenti - Lolietum perennis in the grassland of this river, which have
a production of over 25 t/ha GM and 93 PV index. The most degraded are the
grassland in the Caricetum hirtae association with almost 1 t/ha GM and 6 PV
index. At the phytosociological alliance (habitat) level, the production of
cow's milk was established, which is almost 7700 liters per hectare in Trifolio
repenti - Lolietum perennis with a loading of 1.73 LU/ha, association imitated
and cultivated with improved varieties on the surfaces throughout western
Europe with good humidity.
Keywords: Motru basin, pastoral value, grass and milk
production, grasslands
DOI 10.56082/annalsarsciagr.2024.1.5
Abstract
Article
Volume 13 No 1 2024