Izvestiya of Saratov University.
ISSN 1819-7663 (Print)
ISSN 2542-1921 (Online)


яровая пшеница

Droughts and Evaluation their Criteria

In this article, on the basis of daily meteorological material over the thirty years period the drought criteria are according to Selyaninov, Shashko, and Kabanov’s works. The most productive indicators are selected; best rate the degree of the aridity over the particular period. The criteria are considered in the drought insurance and subsidy payments to agricultural producers in the lean years on the regional and state level. The analyzed coefficients do not fully show the rate of drought, i.e.

Model of Productivity of Spring Wheat in the Conditions of the Saratov Region

The article highlights the agrometeorological conditions, leading to the formation of high, normal and low yields of spring wheat in Saratov region. Model maximum culture organosilanes. Analysis of the influence of weather conditions on the passage of the phases of development and their impact on the productivity of spring wheat. The work was based on daily meteorological data of the station Saratov scientific research Institute of the GP for 1981–2005.