JD 7000 soybean plates

Westshep · May 19, 2017

Hello. I have a JD 7000 6 row plate planter. I am about to plant soybeans for the first time with this planter. I recently read of someone using 24 cell corn plates instead of the soy plates figuring two beans per cell. I looked on the seeding chart and it doesn't appear that the pops would be high enough. Does anyone have experience using the corn plates for soybeans? How high could the seeding rate go? Thanks.

Mike Aylward · May 19, 2017

I used round plates to plant some beans years ago. It worked well. The bean plates will allow you to put on more beans but I found it unnecessary, at least for me. Too high population will make the beans go down in my ground. I planted around 100,000 population and it worked just fine. The stems looked like elm sprouts come harvest but the beans were some of the best I ever had at the time. Mike

Westshep · May 19, 2017

Sounds great. Do you recall the plate number that worked best?

flying belgian · May 19, 2017

I've heard several times that you can plant beans at 50% pop. and still get 90% yield.Just something to keep in mind.

Leroy · May 20, 2017

You have to get the bean you want to plant and find out the size, beans run in size from very small to very large. If you try to use the large bean with a small opening plate it will not fit, large opening plate and very small bean and it will crush the beans.. So onece you have the seed then you need to measure it to 64th of an inch and then go to plate chart and find a plate with just a slightly larger hole than the bean. What plate worked with his beans probably would not work with yours. And I always had bean plates, think on the plastic plates there are 3 different size cells avaible and the cast plates had different size cells so had all for different conditions. Never tried a round corn plate as we never had any as we only planted flat kernel of seed corn. Ant that came from the thinking of a hundred years ago that the flat kernels were the most likely to grow and make a good stock and ear. The small and large flat kernals and all round ones went to the livestalk feed.

paul · May 20, 2017

This is true.

We over plant beans because we assume some won't emerge, some will get damaged as they grow, hail maybe, and so forth. Beans try hard to adjust their growth for the crowding or lack of crowding they face during the year. Most of their seed production depends upon the moisture and conditions in September; before that is just growing branches and vegetation to fit the crowding or lack of crowding in their world.

An issue with thin bean populations is weeds - weeds are gonna be a lot worse in a thin bean stand, you really need to stay on top of the weeds if you have a thin stand. The ground will be much more open much longer as the beans take longer to fill in the canopy, and weeds will take advantage of -every- rain to grow through those bare spots long into summer!

A good issue with thin bean population is white mold - the more air can circulate down under the canopy the less white mold you will get, if that is a concern in your area.

Paul

Westshep · May 20, 2017

Thanks to all for the tips. We have had some significant rain the last two days, so I'll get my seed size and plates figured out.

2002sliverado · May 20, 2017

I tend to shoot for around 150,000 seeds per acre in planting soybeans in 30 inch rows. I used to have a chart showing recommended planting rates based upon row width. This chart went down to 7.5 inch rows. As another commented, I have also seen yield comparisons in various seeding rates. I have seen if you can obtain uniform placement, a half stand will achieve around 90 to 95 percent of full yield. This issue typically comes up in replant decisions after hail. At 150,000 seeds per acre, I may be over seeding a bit, but I am also compensating for not all seeds germinating and emerging. The growing season, relative maturity of the soybean, and planting date with respect to a "normal planting date" all play into this. We tend to plant mostly group 1.9 to 2.3 soybeans in southern Minnesota. These soybeans will typically canopy sometime in the latter half of July or early August, as they will branch out. Drilled soybeans tend to branch out less, but I believe most people who drill soybeans into 7.5 inch rows are planting closer to 180,000 seeds per acre, too.

JD 7000 soybean plates

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Mike Aylward

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