Verified FBN Member (IA)

Agronomy

What is the lowest population you planted for soybeans? Previous experience with yield data?


18


Verified FBN Member (NE)

There's a guy in SE Nebraska that plants 50-60,000 and gets yields from 118 to 160 bu/a. without irrigation.

2


Verified FBN Member (OK)

(edited)

I am in Year 3 of a replicated Population (60k / 90k / 120k / 150k) vs Planting Date (4 dates each 2 weeks from the one before) vs Maturity....

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4


Verified FBN Member (SD)

Last year we had a planter issue and have things go wrong on a couple of fields, that ended up being a good test. We farm in NE South Dakot...

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2

Verified FBN Member (SD)

Are you gonna treat them? I've tried 155, 165 and 160. yield was worse with higher pop, but going to roll with 160 this year and see what ha...

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Verified FBN Member (NE)

We have a replicated block trial this year with pops from 80,000 to 170,000. University of Nebraska-Lincoln will collect the data and do the...

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1


Verified FBN Member (MN)

Towards the twin cities in MN, we did some random trials of bean population and saw no significant benefit above 110,000 population, but did...

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Verified FBN Member (NE)

In northeast NE, we have done population tests for the last eight years, and fairly consistently 140,000 is the best bang for the buck. Pop...

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1


Verified FBN Member (KS)

What was the maturity and planting dates


Verified FBN Member (IL)

I typically plant 90,000 -100000 in 30" rows. I have planted whole fields at 75,000 before to try to get it covered with the seed beans we g...

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3

Verified FBN Member (IL)

3.4 maturity. In central IL. Planted middle of May. It was on dryer side in our area also last year.

Verified FBN Member (KS)

What was the maturity and planting dates


Verified FBN Member (MB, CAN)

We have planted (dropped) 130 000 seeds with no yield drag on 15" rows. Would not go that low if using a seeder.

1


Verified FBN Member (WI)

We tried a small plot @70k right along side of the rest of the field which was planted @140k. Everything treated the same, not seeing a gain...

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3


DL
Darin Lickfeldt
FBN Agronomist
FBN Employee

The optimal pop differs by variety.

Quote from IAState, 2013 Extension Publication: "Research conducted over a number of years at Iowa State...

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2


Verified FBN Member (IL)

A few years ago I did a side by side, population study in soybeans. I had three zones in 20 acres. End rows were all 30" planted at a popu...

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3

Verified FBN Member (MN)

We planted at 125000 this year. Still too thick. We spread a lot of manure so white mold in the beans is a big issue.

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