Effects of sowing dates on harvest elements and productivity of sunflower varieties

Sunflower is the main source of vegetable oil for technique. The main way to increase the yield of sunflower is to cultivate modern early maturing varieties that are adapted to the soil conditions of the region for each region. This scientific article develops the basic elements of the technology of cultivation of oilseed sunflower as a secondary crop of high yields from fastripening varieties. Planting sunflower as a secondary crop after wheat has led to increased yields when planting times are used correctly. Depending on the number of seeds in a basket and the time of sowing their weight, it is proved that the number of seeds in the basket increases when the sowing period is repeated in the second decade of June.