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Post by kevlar on Aug 28, 2022 16:31:19 GMT -6
Not really farm related, but kind of. I’m picking my green beans today and started wondering, will they keep fixing nitrogen after the beans are picked and the plant is still green? I assume they fix nitrogen? If they do I would leave them until they dried up then till them in, if they don’t, I’d pull them up now then work them in when they are dry.
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Post by SWMan on Aug 28, 2022 17:01:02 GMT -6
How many acres of beans do you have in your garden...lol
I would think if they are green and growing they will fix nitrogen, but only if nodulated. They may not be nodulated, I've never really looked at garden beans before but we generally don't inoculate them.
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Post by kevlar on Aug 28, 2022 17:30:17 GMT -6
I’ll have to have a look if if they have nodules, I never inoculate them either, I guess for them to fix nitrogen you would have to? I’ve never grown soybeans before so don’t really know how it all works. It’s just a small garden but it really produces good, it’s on the edge of the barn yard so has a lot of nutrients. The first year I had it I had just one tomato plant and it had 100 tomatoes on it, I have a picture somewhere if nobody believes me!
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Post by SWMan on Aug 28, 2022 22:08:45 GMT -6
Beans will nodulate themselves if there is a history and inoculant present in the soil. It is my understanding that further south soybeans are not generally inoculated but they are grown more frequently. Here soybeans have not been grown enough to have that built up in the soil. But for example soybeans will grow fine with no nodules, they just need a LOT of nitrogen. Perhaps your garden is so fertile it doesn't really matter.
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cliffh
New Member
Posts: 11
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Post by cliffh on Aug 28, 2022 22:26:30 GMT -6
From what I remember reading, if the ground is high or medium high in nitrogen, soybeans won't produce any nitrogen even if they are inoculated. They will just use what is in the ground. I don't know about other beans.
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Post by kenmb on Aug 29, 2022 6:54:42 GMT -6
That is an interesting experiment on nodulation - put some field peas in the garden and see if they nodulate. Been reading some info that says our soils in Canada often have the soil life required for nodulation, others say if you inoculate once your soil is good for a number of years. I always finish seeding peas with the last tank with no innoculant on the seed and never see a difference when digging up plants. Some say there is enough residue in the hoses and tank wall but I doubt that is the case, otherwise our recommended innoculant rates would be 1% of what the label says. So planting a few peas in the garden that never had innoculant would be a good test.
Each year I put innoculant on with the thinking that maybe this year it is needed. My unscientific and rather random poking into the idea says I could likely go without, but there is always the chance next year will be different and won't nodulate without some help.
As for the garden, I don't really see a need to pull out the plants. Wait for a few good frosts and in late fall on a nice day with nothing to do then go in with the rototiller. And if that doesn't happen then it gets rototilled in spring. Now that I think about it, it is getting much more common to just do it spring.
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Post by kevlar on Aug 29, 2022 22:11:49 GMT -6
Got the rest of the beans picked this evening, not sure but are these nodules? This has never seen innoculant before so do some soils naturally have the bacteria present to make them nodulate?
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Post by Oatking on Aug 30, 2022 6:36:43 GMT -6
You bet those are! I still believe in inoculating double for the time being on my soils. This year , I actually seeded a quarter of soybeans which has never seen peas or soybeans in its history. All my other bean fields are tall, lush and dark green. This particular field is slightly yellower than the rest with a lot fewer nodules. I have had this problem before on first time fields so I wonder what can be done to prevent that problem. Should a guy triple inoculate or try eco tea or humeric acid.
Three weeks a ago I had potassium and boron sprayed on the crop as an experiment. Hard to see any difference right now. Maybe the land should be inoculated in the year before the legume crop.
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Post by OptimallyDismal on Aug 30, 2022 7:47:36 GMT -6
Years ago I heard that if you have the wild clover that the rhizomes would be existing in the soil, I think it was related to an alfalfa discussion.
Kinda wonder how clover shows up in the middle of a field that has been worked for years, must have a long seed viability.
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Post by garyfunk on Aug 30, 2022 7:56:00 GMT -6
Legumes will form nodules - doesn't mean they're making nitrogen. Gotta cut into the nodule, if it's red inside 👍.
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Post by shmiffy on Sept 5, 2022 21:38:15 GMT -6
You bet those are! I still believe in inoculating double for the time being on my soils. This year , I actually seeded a quarter of soybeans which has never seen peas or soybeans in its history. All my other bean fields are tall, lush and dark green. This particular field is slightly yellower than the rest with a lot fewer nodules. I have had this problem before on first time fields so I wonder what can be done to prevent that problem. Should a guy triple inoculate or try eco tea or humeric acid. Three weeks a ago I had potassium and boron sprayed on the crop as an experiment. Hard to see any difference right now. Maybe the land should be inoculated in the year before the legume crop. 15 years ago there was talk of putting innoculant in the soil in a year ahead soybeans. |
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