SIDERATE POTENTIAL OF NARROW-LEAVED LUPINE VARIETIES BREEDED BY LENINGRAD RESEARCH INSTITUTE OF AGRICULTURE IN THE CONDITIONS OF KIROV REGION CENTRAL ZONE

Annotation
In the conditions of sod-podzolic soils of the non-chernozem zone of Russia, the transition to
regenerative agriculture is urgent, in which siderates play an important role. In the field experiment
in 2024, on the sod-podzolic soil in the central zone of Kirov region, varieties of narrow-leaved lupine
(Accord, Flamingo, Oligarch, Fedorovsky, Metsenat) were studied according to the possibility of
their use as siderates. The yield of the green mass, the content and collection of nitrogen and fiber
were evaluated. It was found out that all varieties of lupine significantly exceed the control ones in
productivity (by 12.1-16.9 t/ha) and nitrogen collection (by 2.0-2.5 times). The maximum values of
the green mass yield (32.4 t/ha) and nitrogen collection (0.88 t/ha) were noted in the variety Accord,
and the maximum fiber collection (2.22 t/ha) was in the variety Flamingo. The high fiber content
indicates the structure-forming potential and a delayed release of nitrogen. The results confirm the
promising use of lupin in regenerative farming systems.
Keywords: narrow-leaved lupine, siderates, green mass yield, regenerative agriculture,
nitrogen content, fiber, sod-podzolic soils