Zero till may not be as environmentally friendly as we thought.

ajd132

Member
Arable Farmer
Location
Suffolk
The thing with heavy clay is that early cultivation gives easy and good seedbeds. You can't say "I'll leave it to see how the autumn pans out and then I'll decide to DD, min till or plough". The decision has to be the minute the combine leaves the field if not before.
But if you have just grown 11t/ha of wheat surely the soil is in great condition to drill straight into?
 

Kiwi Pete

Member
Livestock Farmer
Organic farming has its merits but it is quite input heavy on the machinery side. Multiple passes of cultivation are an organic farmers blind spot
Multiple stressors of any type are pretty degenerative - I always toyed with the idea of organics but it's just so prescriptive and inflexible here.

Multiple passes with bioicides, multiple passes with a tine harrow - little difference other than soil disturbance. Notill is the lesser of evils.

Regeneration is about freedom and flexibility, and that's pretty much ALL commodity production out the window.
So I just got stuck into grazing instead, you can actually push the limits that way.

Like the perennial cover-cropping thing we're trying out; no-till in a cashcrop, harvest it with cheap calves, returns back to pasture of its own accord.

It's still organic, without being Organic, yet there's a whole world of difference somehow?
 

Warnesworth

Member
BASE UK Member
Location
Chipping Norton
Wasn’t there a suggestion in the 80’s that a lot of the nitrate levels in water were due to the ploughing up of vast areas of pasture during WW2?

That released nitrate 40 years after the event would have been helping yields which then wouldn’t have required so much bagged N2.

Many such fields we now still regard as old meadow “boys” land and if we are doing our jobs correctly, still need less N2 fertiliser than normal arable land today.
It's certainly true that land out of very long term pasture is noticeably easier working many decades after the the first ploughing. As for nitrate being released , well I suppose all that organic matter is still releasing some fertility every time its exposed to the air. 1980's !? Ten tonne club perhaps????
 

shakerator

Member
Location
LINCS
Multiple stressors of any type are pretty degenerative - I always toyed with the idea of organics but it's just so prescriptive and inflexible here.

Multiple passes with bioicides, multiple passes with a tine harrow - little difference other than soil disturbance. Notill is the lesser of evils.

Regeneration is about freedom and flexibility, and that's pretty much ALL commodity production out the window.
So I just got stuck into grazing instead, you can actually push the limits that way.

Like the perennial cover-cropping thing we're trying out; no-till in a cashcrop, harvest it with cheap calves, returns back to pasture of its own accord.

It's still organic, without being Organic, yet there's a whole world of difference somehow?

I think any farmer could legitimately call themselves an organic farmer as in my eyes the term just means carbon. Thing is “vitalism” had to change tack after urea (organic!) was synthesised and that spirit of thought manifests itself under the organic umbrella today
 

Kiwi Pete

Member
Livestock Farmer
I think any farmer could legitimately call themselves an organic farmer as in my eyes the term just means carbon. Thing is “vitalism” had to change tack after urea (organic!) was synthesised and that spirit of thought manifests itself under the organic umbrella today
Big difference between operating according to principles, and operating according to rules.

I recently upset an organic farmer simply by saying that prescriptive agriculture, especially to produce commodities, is inherently degenerative as it limits freedom and the right to express your uniqueness.

More rules doesn't automatically make it "better".

Didn't like it much. ?‍♂️
 

shakerator

Member
Location
LINCS
Big difference between operating according to principles, and operating according to rules.

I recently upset an organic farmer simply by saying that prescriptive agriculture, especially to produce commodities, is inherently degenerative as it limits freedom and the right to express your uniqueness.

More rules doesn't automatically make it "better".

Didn't like it much. ?‍♂️

there is an upside to commodities in terms of food safety and without a homogenous common “base” to our food supply “added value/ niche” products would be meaningless

the distinction between the natural and the artificial is an artificial distinction
 

som farmer

Member
Livestock Farmer
Location
somerset
never got my head round organic, it seems a case of swapping sprays for diesel, and not sure which is the bigger pollutant. What ever your view, it all boils down to soil structure, doesn't it ? A proper soil structure, will work with, and for you. Certainly here, the use of the plough, has decreased worm population, which is visible, and probably decreased the fungi and bugs, which is invisible. Sprays, and ferts, were developed to increase yield, all good, but a modern spray programme, is unrecognisable from the first ones, they increase yield, modern ones, are necessary, to maintain yields, question is what has changed. As machinery has increased in size, and weight, and sheer weight, is 'panning' soil, the move towards min, or no till, has increased, the final move, will be the use of robots, for weed/disease control.
The better the soil structure, the lower the 'pollution' potential, and whether you are organic, or inorganic, deep till or min till, d/d, yield will be influenced by soil, and parts of all systems, used properly, will all improve soil, and reduce Nox and Carbon leakage.
 

Two Tone

Member
Mixed Farmer
Believe me I have tried in the face of some very stiff opposition. It can work, but not without considerable capital expenditure on the right drill, namely a JD750A which is beyond my budget.
Then we come to straw. Bale it they say, but that is cheating. Any fool can direct drill into baled off stubbles, but you have lost vast amounts of potash and carbon and often pummelled the soil badly. So what do we do with a 4 ton per acre crop of chopped barley straw. Can’t drill into it in the autumn but can in the spring so already we are compromising. By all means fit your farm around zero till if you like but here ploughing gives us a lot of flexibility and room to manoeuvre re cropping choices and extended drilling windows.
Not knocking zero till. It’s the best way if you can make it work but we just can’t make it work all time without seriously compromising our options.
I agree and this is what I find so frustrating about some of the religious DDer’s . No-TIL drills and ploughing are both tools in the box.
What on earth is wrong in being able to use both, for different fields that suit different systems?
It’s like some of them get some sort of “high” and become so hooked that they are blinkered to any alternativ’s
 

Two Tone

Member
Mixed Farmer
It's certainly true that land out of very long term pasture is noticeably easier working many decades after the the first ploughing. As for nitrate being released , well I suppose all that organic matter is still releasing some fertility every time its exposed to the air. 1980's !? Ten tonne club perhaps????
Funnily enough, I have always found it difficult to get the highest yields on what was once old pasture land. I was born on the Cambridgeshire Black peat Fens and we had exactly the same problem there. It’s too rich!
You get plenty of foliage growth, but never the highest yields.
I’ve even got some meadowland here that is now arable. But our best yields always come from land that has always been arable. Usually the heavier stuff in a dry year, As long as it was drilled in good conditions, which by today’s standards would be called early!
 

ajd132

Member
Arable Farmer
Location
Suffolk
I agree and this is what I find so frustrating about some of the religious DDer’s . No-TIL drills and ploughing are both tools in the box.
What on earth is wrong in being able to use both, for different fields that suit different systems?
It’s like some of them get some sort of “high” and become so hooked that they are blinkered to any alternativ’s
I think because DD and ploughing are both just establishment techniques that can be used in a conventional system. I think why many (me included) are quite zealous over it is because we are trying to take a completely different path for farming system, dipping in and out of heavy till/plough/dd doesn’t really allow the long term goals we are aiming for. Also having the ability to cherry pick every system puts overheads up again!
 
never got my head round organic, it seems a case of swapping sprays for diesel, and not sure which is the bigger pollutant. What ever your view, it all boils down to soil structure, doesn't it ? A proper soil structure, will work with, and for you. Certainly here, the use of the plough, has decreased worm population, which is visible, and probably decreased the fungi and bugs, which is invisible. Sprays, and ferts, were developed to increase yield, all good, but a modern spray programme, is unrecognisable from the first ones, they increase yield, modern ones, are necessary, to maintain yields, question is what has changed. As machinery has increased in size, and weight, and sheer weight, is 'panning' soil, the move towards min, or no till, has increased, the final move, will be the use of robots, for weed/disease control.
The better the soil structure, the lower the 'pollution' potential, and whether you are organic, or inorganic, deep till or min till, d/d, yield will be influenced by soil, and parts of all systems, used properly, will all improve soil, and reduce Nox and Carbon leakage.

The biggest problem with organic is, that long term, holding up your P and K reserves can be very difficult. I'm not convinced fully organic arable is even better for the environment once you take yields into account.
 

Lowland1

Member
Mixed Farmer
We are growing veg with little or no cereals because of our climate we are growing at least 3 and sometimes 4 crops per year on the same land. The more crops we grow the less fertiliser we require. We have a legume, brassica, legume ,potato or maize rotation everything is chopped back in and we are starting a controlled traffic system. We are only using base fertiliser on French beans and potatoes only . It's interesting because the harder we push the land the better it becomes the absolute opposite I was taught.
 

sjt01

Member
Mixed Farmer
Location
North Norfolk
We are growing veg with little or no cereals because of our climate we are growing at least 3 and sometimes 4 crops per year on the same land. The more crops we grow the less fertiliser we require. We have a legume, brassica, legume ,potato or maize rotation everything is chopped back in and we are starting a controlled traffic system. We are only using base fertiliser on French beans and potatoes only . It's interesting because the harder we push the land the better it becomes the absolute opposite I was taught.
Good to hear. I was involved in some zero till experiments in Malawi in the early '80s, and the main result was termites eating all the organic matter. It never really had a chance to reach equilibrium with the termites. We were using Paraquat as the herbicide. As an aside, I enjoyed reading "Underbug" by Lisa Margonelli, published by One World, on termite organisation.

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10-9-2007_007.JPG
 
I agree and this is what I find so frustrating about some of the religious DDer’s . No-TIL drills and ploughing are both tools in the box.
What on earth is wrong in being able to use both, for different fields that suit different systems?
It’s like some of them get some sort of “high” and become so hooked that they are blinkered to any alternativ’s

I think you are still approaching it from the wrong point of view.

A no tillers aim is to create a situation where he wouldn't need to use the plough ie it wouldn't need to come into the conversation because he has managed his cropping/ trying to manage his cropping not to need it. Its nothing about being "high" or "religious" that's just a cop out from the tillage perspective.

The no tiller is aiming not to use tillage because they think its better for their soil, time management and bank account not to need to cultivate. I don't always get it right but when I do it gives me cheap establishment and higher yielding crops than I ever managed to under tillage. The challenge is to make this repeatable as possible. Its still new ground as I've only been doing it 14 years and so I still get the odd thing wrong, but then so do ploughmen and they've been doing since before the bible apparently!

Which bit do you find so frustrating?
 

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