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Sowing date catch crop after maize often unfeasible

30 August 2021 - Jurphaas Lugtenburg - 16 comments

The Dutch Dairy Farmers' Union (NMV) is sounding the alarm about the obligatory cultivation of a catch crop after maize on sandy or loess soils. Due to the relatively cold and wet spring and summer, a lot of maize is not yet ripe on 1 October - the date that the catch crop must be sown - and growers are in trouble with the catch crop. The NMV requests that the sowing date be changed to 31 October.

The NMV already sent a letter to agriculture minister Carola Schouten on 16 July to draw attention to this problem and to extend the last sowing date. There has been no response to this so far, while the circumstances have deteriorated. Reason for the NMV to draw attention to this problem once again and to request that the sowing date be extended by 30 days to October 31.

Force Majeure
The cultivation of a catch crop after maize is quite a challenge this year. Sowing a catch crop under wet conditions is undesirable. Any structural damage that occurs when sowing on soil that is too wet has adverse consequences for the (capture) crop and is not in keeping with good agricultural practice. Due to the heavy rainfall in the spring and summer, many growers did not have a chance to use a catch crop as an under- or additional seed in the spring or summer. In the extremely dry summers of 2019 and 2020, the under-sowing failed on many plots, but that could still be restored by an early harvest of the silage maize in the autumn.

New sowing date
This year, the maize is on average later than in recent years. Harvesting unripe maize has a negative influence on the nutritional value, the starch is only formed when the cob is ripe. In addition, unripe silage maize is often very acidic. This can lead to problems with the digestion of livestock and to the development of dangerous gases in the silo or silage pit. The NMV reads on mijnrvo.nl that a good agricultural practice is the starting point in all cases and therefore requests that the mandatory sowing date be changed to 31 October due to force majeure.

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Jurphaas Lugtenburg

Is editor at Boerenbusiness and focuses mainly on the arable farming sectors and the feed and energy market. Jurphaas also has an arable farm in Voorne-Putten (South Holland). Every week he presents the Market Flash Grains
Comments
16 comments
Subscriber
Jo 30 August 2021
This is in response to it Boerenbusiness article:
[url = https: // www.boerenbusiness.nl/melk/artikel/10893896/zaaddatum-vanggewas-na-mais-vaak-onhaalbaar] Sowing date catch crop after maize is often unfeasible[/url]
What nonsense, force majeure.
Simply sow reed fescue the day after sowing the corn and you are ready for the rest of the year. All obligations met.
So I see that excuse of force majeure more as unwillingness. Just something for the stubborn farmer. I do what I want and if I don't like it the excuse is unwillingness.
Subscriber
southern farmer 30 August 2021
@Jo, this is an inappropriate comment or you are friends with LNV. A little collegiality is in order. There are also circumstances in which flush sowing with reed fescue is undesirable (weed pressure or otherwise).
Subscriber
xx 30 August 2021
That October 1 is really a nonsensical rule, which really adds nothing.
Just keep it simple, harvest when the maize is ripe and then add the green manure fertilizer as soon as possible and open the closed ground again if necessary. It cannot be the case that the rules are more important than the goal to be achieved.
Subscriber
Drent 30 August 2021
Always a direct cry from the livestock farmers, you knew that maize was sown later, so in theory you can think that it is also ripe later, then go for sure and under-sow
time bomb 31 August 2021
Farmers also sow maize. Haven't had a chance to sow wheat, nor a chance to undersow grass.
It would be fair if RVO thought along. Jo and Drent are very shortsighted. You cannot force clay soil, and the best corn grows on it,
but should not have to plow after November.
Subscriber
Dirk 31 August 2021
Jo is right.
If you want to comply with the regulations in a benevolent way, that is easily achievable.
Sow an early variety, sow on time and take immediate action after chopping corn
Plenty of time.
But as usual, some people have their spines erect when they have to adapt to something new.
Perhaps lto can draw up a policy plan, how to instill in their members to adapt in a positive way to the changed circumstances
Rob 31 August 2021
Dear Dirk..

The LTO could make a more positive effort to stop senseless rules from LNV!
A poor seed is still better than a successful under-sowing crop, according to research.
Some have deliberately chosen to sow after sowing because it gives a better result, not knowing that the maize would ripen so slowly this year. In other places they were already happy to get the maize sown let alone apply the undersow.
Have very early varieties that are probably not ripe in time, while last year they were already harvest ripe at the end of August.
Rob 31 August 2021
Dear Dirk..

The LTO could make a more positive effort to stop senseless rules from LNV!
A poor seed is still better than a successful under-sowing crop, according to research.
Some have deliberately chosen to sow after sowing because it gives a better result, not knowing that the maize would ripen so slowly this year. In other places they were already happy to get the maize sown let alone apply the undersow.
Have very early varieties that are probably not ripe in time, while last year they were already harvest ripe at the end of August.
info 31 August 2021
A catch crop does not belong in a crop that needs all fertilizers for its development, the 40 kg of Phosphate is already 40 kg too little for maize, a yield of 50 tons of product containing 1,4 kg of phosphate per ton = 70 kg which is extracted from the ground. When tall fescue is added as a buyer of phosphate, I see the shortage of available phosphate rise to 70 kg/ha. Jo and Drent and Dirk you understand what you write. And then after the harvest of maize you should correct the damaged soil and or sometimes traces again as soon as possible to correct the structure, and when a catch crop is sown simultaneously, there is a wonderful starting point in spring to start a new crop. to sow. We also don't give the corn root beetle a chance to multiply, sometimes I have the idea that certain people do not aspire to corn cultivation and want to enforce it through devious ways.
Subscriber
Dirk 1 September 2021
info wrote:
A catch crop does not belong in a crop that needs all fertilizers for its development, the 40 kg of Phosphate is already 40 kg too little for maize, a yield of 50 tons of product containing 1,4 kg of phosphate per ton = 70 kg which is extracted from the ground. When tall fescue is added as a buyer of phosphate, I see the shortage of available phosphate rise to 70 kg/ha. Jo and Drent and Dirk you understand what you write. And then after the harvest of maize you should correct the damaged soil and or sometimes traces again as soon as possible to correct the structure, and when a catch crop is sown simultaneously, there is a wonderful starting point in spring to start a new crop. to sow. We also don't give the corn root beetle a chance to multiply, sometimes I have the idea that certain people do not aspire to corn cultivation and want to enforce it through devious ways.
Mathematically, there is still something to be done about the above.
we can assume balanced fertilization.
it doesn't last, that's true.
the catch crop normally remains on land, so keep that out of your drain.
Soil compaction is not really such a problem on soils where catch crops are required (sand).
And left or right, you will still have to operate within the current regulations and then whining makes no sense
info 3 September 2021
I don't think you can count very well and on the sandy soils we also have quite often structure decay during the harvest, which will also become topical this year, and then the corn root beetle that must be combated by destroying the stubble. If you really don't understand farming and farmland, it's better to become a schoolmaster than you can get everything from the book. Farming is working with nature and the weather that comes our way, the booklet comes in second place.
Subscriber
cm 3 September 2021
Dirk looks a lot like an Rvo official given his texts. Also thinks very left.
Subscriber
cm 3 September 2021
I don't believe that Dirk is a farmer at all, others like to measure.
info 4 September 2021
CM thanks for the insight and your comment
Subscriber
me 6 September 2021
Drent will not mind that as a result of the 7th action program he has to harvest all his potatoes before 1 October in order to be able to grow a beautiful green manure.
not 6 September 2021
Regulations must be adhered to, but if regulations are no longer feasible at all, where it increasingly crosses the line, what should we do then? Perhaps this is the most important thing our advocates should be doing, or do we have no advocates?
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