Study of the Photosynthetic Ability of Perennial Legume Species in the Floristic Structure of Permanent High-Altitude Pastures
2023
Carmen Dragomir | Neculai Dragomir | Corina Cristea | Ioan Peţ | Samira Chifor Răvdan | Darius Văcariu | Sebastian Constantinescu | Rodica Schipor
To point out the photosynthetic ability of perennial legume species, we measured the following parameters: chlorophyll content and soluble sugar content. Sampling was done on permanent pastures at different altitude levels: 90 m, 330 m, 900 m, and 1,800 m. Soluble sugar content was measured in samples from variants fertilized with mineral nitrogen and with organic fertilizers (through animal folding). Results showed that, as far as chlorophyll content is concerned, there is a negative relation between this parameter and the altitude level of the pasture. Perennial legume species on the pastures had a lower content of soluble sugars in all the variants fertilized with mineral fertilizers and with organic fertilizers compared to the control variant.
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