Usage of soybean varieties of different ripeness groups as predecessor for winter wheat in the conditions of the steppe zone in Primorsky krai
The article presents the study results of the possibility to include soybean varieties of different maturity groups into crop rotation as a predecessor for winter wheat. It was defined that, in the conditions of the steppe region, it is better to use early-maturing soybean varieties as a predecessor for winter wheat. Studies have found that the optimum sowing term for winter wheat variety Moscow 39 is the second decade of September.