Abstract
The article offers studies to identify the effectiveness of chemical preparations for desiccation in spring wheat crops. The research was conducted in 2017-2020 in the conditions of the Ryazan region. It was revealed that in the phase of the yellow-green pod, the organs of the surepitsa plants were characterized by different humidity. The stems (up to 75%), the leaves of the pods (about 55%) and the seeds (40%) had the maximum humidity. On average, according to the experience, a high increase in seeds was observed on the variant with sowing in the first decade of May, Dikoshans, BP, 3 l/ha – 20.0 c/ha (+11.7% to the control or +2.1 c/ha). The average maximum yield in the second sowing period was noted on the Glyphoshans, BP, 3 l/ha variant-18.4 c / ha (+1.5 c/ha or +8.8% to the control) and on the Dikoshans, BP, 3 l/ha variant-18.3 c/ha (+1.4 c / ha or + 8.2% to the control), which proves the high efficiency of using the desiccation method in the production technology of spring surepitsa oilseeds. Keywords: SPRING SUREPITSA, SEED MOISTURE, DESICCATION, YIELD, YIELD, OIL CONTENT
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