Buyankin N., Krasnoperov A., Fyodorova Z.

Optimum times of summer crops of environmental cultures depending on solstice and amount of precipitation height

For more than 10 years, was studied the dynamics of the accumulation and the quality of green mass of annual plants of a long day in their summer sowing. The observed changes are discussed in relation to various solstices in the northern latitudes of the temperate zone in the spring-summer and summer-autumn periods.

Keywords: OPTIMUM SOWING TIME, SUN HEIGHT, SOWING OF A SUMMER SEASON, SIDERAT, FERTILITY, ECOLOGICAL PRINCIPLE