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The Role Of Perennial Grasses In The Protection Of Soil Resources Of Erosive Ecosystems With Active Development Of Linear Erosion

2021; IOP Publishing; Volume: 901; Issue: 1 Linguagem: Inglês

10.1088/1755-1315/901/1/012007

1755-1307

В. М. Косолапов, V I Cherniavskih, Elena Dumacheva, M. N. Marinich, L. D. Sajfutdinova, D O Lanin,

Pasture and Agricultural Systems

Abstract We evaluated the stability of perennial legume and cereal grass species in artificial plant communities on permanent anti-erosion watercourses in the agroecosystems of the Belgorod region with active development of linear soil erosion. In the conditions of steppe and forest-steppe zones of the Belgorod region on permanently grassed watercourses in 2017-2019. varieties of perennial leguminous and cereal grasses: ‘Krasnoyaruzhskaya 1’ and ‘Krasnoyaruzhskaya 2’ ( Medicago varia ), ‘Kazatsky’ ( Trifolium pratense ), ‘Olshanka’ and ‘Ivica’ ( Festuca arundinacea ) , ‘ Streletsky’ and ‘Stepnyak’ ( Lolium perenne )) obtained using local genetic material were studied. All varieties showed their resistance in agro-ecosystems with active development of linear erosion in the forest-steppe and steppe zones. Projective cover on watercourses in the steppe zone in all variants of experience was on average 83,4 %, in the forest-steppe zone - 86,3 %. In the third year of the tests on permanently irrigated watercourses in the steppe zone, the share of cereal and legume grass species was quite high and varied from 88 % in the variant M. varia + Onobrychis arenaria to 92 % in the variants M. varia + Bromopsis inermis and O. arenaria. In the forest-steppe zone, the share of cereal and legume grass species varied from 86 % in the variant L. perenne to 94 % in the variant L. perenne + B. inermis.