 Hi, I'm Brian Hansen. I'm the research agronomist here at the Langdon Research Extension Center. And today my topic is seeding date and cult of our influence on soybean performance here in northeast North Dakota. Now choosing the right combination of seeding date and maturity group is a very important decision to producers and especially here in northeastern North Dakota. Soybean production hasn't really been around our area for very long. In 2011 there was about 86,000 acres and in 2017 there was about 417,000 acres. So we're along the northern border so as the growing season has been lengthening over the years and we've had more adapted varieties that we can plant up here the soybean acres has increased. Now soybean maturity has really caused there's day length affects it and also growing degree days and up here along the northern border growing degree days we're about five to seven hundred fewer growing corn growing degree days which soybeans are based on compared to the southeast part of the state so choosing the right variety the right maturity is very important to producers up in this area. So the study that we conducted and it was sponsored by the Soybean Council of North Dakota was really initiated back in June of 2017 and the idea came to us we had a hail storm just east of Langdon here it took out very large swath of soybeans that got hailed out totally on June 9th June 10th is the final planting date and so at that time the RMA was saying hey you have to replant these soybean days up to 25 days after the June 10th date so that's July 5th which is very impractical for this part of the state so I was getting a lot of calls from insurance people saying hey do you have any hard data on soybean planting date maturities and we didn't have any for this region there's a lot of data for central and southeastern North Dakota but that is not adapted to our region and up in this part of the area we plant soybeans that are earliest maturing to start with is 00.5 to 00.1 generally but if you go down to south down to the south of Fargo they plant 0.4 0.5 so if they had a hail event on June 9th they could pick some of these early varieties were up here in the north were already growing early varieties so the methods we used we picked five seeding dates starting about May 15th all the way up to towards the end of June seven to ten days whenever we could get in the field and for soybeans we maturity groups we picked the 00.5 is one of the earliest 00.9 and 0.1 so if we look at the graph to some of the data we have from 2018 on May 15th our first date the 00.9 and 0.1 had the high seals about six bushel better than the 00.5 while we went to the May 24th date we saw similar results only not quite as much yield difference the yielded about four bushel better the later maturing varieties however as we got into June we saw that the varieties 00.9 had the high seals and actually the earliest variety and the latest variety had yields that were not significant from one another and at the June 14th date the earliest variety had the high seal so if we look at the varieties from the May 15th the June 14th the 00.5 only dropped about 25% with a 00.9 maturity group and 00.1 dropped 39% so you see the later maturing varieties have the highest yields early on but as we get into June and the shorter time frame the yields drop off quite significantly and on the June 24th date that year we planted none of the varieties matured we had our first freeze on September 29th this past year in 2019 well it was quite a year in North Dakota and we had again planted this trial and we harvested the first and second date and again that was similar results the later maturing varieties did better compared to the early ones in the first and second date but the last three dates we got a snowstorm up here we had about 20 inches of snow the snow was above the soybeans and when it melted it dragged all the soybeans to the ground and it basically made harvestable unattainable so we didn't get any results last year but we did a plant the trial again this year and we should have hopefully results if the weather treats its rights so that's the information I had on soybean seeding date and what maturity group to plant on which date so thank you very much