The idea of growing soy does not come naturally to all Terre-net readers, especially when it comes to developing this crop in the north of the country. A bad seed according to some in terms of water consumption as droughts will intensify.
And you, would you be ready to grow soybeans? Tell us in the comments. (© Terre-net Media)
François Vix is “in the process of harvest your soybeans » and is « rather satisfactory this year ». “At the moment, it’s a simple and stable culture with us,” he says.
nico testifies: “In the south of the Aisne, on drained hydromorphic silts, my 2022 soybean yield is 30 q/ha without irrigation, sold for €650/t. I do my farm seed every year and saves €200/ha on this item. The following wheat benefits from a nitrogen residue from 30 to 40 units/ha compared to rapeseed, to be taken into account with a cost of €2.75 for 2023. For 2023, moreover, I am reducing rapeseed, which consumes nitrogen, and increasing my soybean surface. »
30 to 40 units/ha for the next crop.
” You inoculate your farm seed ? “, ask him Payroll.
“Yes, before sowing”, answers nico.
A “simple” culture that “pays”
Francis V asks a series of questions @nico “What are your production costs? What date of harvest? Did you have soy last year? “It must have been poured with all the rains of the summer, he supposes. The danger of soy in the north of France, it’s rain in September. »
At €600/t, that’s sure to interest! And no nitrogen, an advantage currently. But if everyone starts doing it…
nico gives him the desired answers: “Yes, I had soy last year. I did 28 q/ha but with little lodging thanks to the varieties chosen. Small clarification: I have a dryer on the farm. The cost of production: €150 for farm seed with inoculation + 45 u of P2O5 and 50 u of K2O + €100 of pre-emergence weeding + €40 of post-emergence catch-up. »
Romuald Baverel returns to the soy price : “At €600/t, that’s definitely interesting! »
« Et no nitrogen. These days, it’s interesting! », adds Christophe Mesplede.
“If everyone wants to do it, it will lower the price”, fears Kevin Kohler.
“20 years since soy has little margin…”, believes anyway Jerome Turner.
“It grows abundantly, it pays and it’s a lot less work for the farmer”, summarizes his side Stone Fish.
“Disappointing returns” according to some of you
Christophe Maurois has “already tried twice”, with “very disappointing results”.
Pour Benjamin Chaillou, it’s even “catastrophic this year”, and “the second and last test unfortunately! »
“Several neighbors tried 4-5 years ago, in Aisne. After big bowls (even with irrigation), they gave up,” says Renaud Duprez.
Overgrown with weeds!
Same at Pierre Sarten : “Shabby: 800 kg dry, 24 q irrigated with 6 water towers and a strong fertilizer. »
“Organic in the Aisne”, Aymeric Ferte obtains “10-15 q in a dry year and 25-30 in a wet year”.
The soy bio by Julien Perrin has, in addition, been “invaded by goosefoot “. “At least 40% impurities,” he says.
Soy, never again!!
“If you don’t know xantium or ambrosia, don’t grow soy or your land will be rotten with these m…”, advises Frederic Setsoc.
“Soy, never again for me! “, spear Jerome Klein.
“We are sold dreams…”, judges Julien Rousseau.
The situation of Nicolas Justes seems, however, different: “In our sector, 40-45 q this year, 37 q with 2,500 m3/ha of water. But he does not say in which region he is located.
“Very demanding of water”: not all agree
“Should quit corn and make soy instead ?, is surprised Nicole Courth. Soy needs twice as much water! »
“Stop growing maize instead of thinking about soy!” », suggests Didier Mordacq.
François Vix acknowledges that ” soy consumes water “. “But much less than corn”, he nuances.
Stop corn to make soy??
Nicole Courth maintains: “1,000 liters of water for the soybeans, half for the corn. With the droughts repeatedly… Zero return this year! »
Christophe Maurois agrees: “Soybeans require a lot of water. Without irrigation, it is not worth it. »
Frederic Setsoc “cultivated in the southwest for quite some time”. “This year, even irrigated, it’s not worth the yield,” he says.
Without irrigation, not worth it! So with the repeated droughts…
Valentine Piquet disagrees: “This year, despite the lack of water, it still developed. »
“It all depends on the region and the variety”
“The article talks about the northern half of France”, points out Aymeric Ferte. But he agrees: “We need good soils with water reserves”.
” The non-irrigated soybeans turn at 30 q in good ground here”, contradicts François Vix.
“Non-irrigated but fodder”, specifies Valentine Piquet.
Here, this year, it has developed anyway.
“I also grow forage soybeans to make cakesreplica François Vix. In soybeans, the variety plays a lot. I only sow ES Mentor, that’s what produces the most. I think to end up with more than 40q this year in irrigated. »
Louis Sol Fillon persists: “For soybeans, the growth period is in the middle of summer when it rains less, if at all, and when evaporation is at its maximum”.
As Erreyp Dratoil : “Corn also requires a lot of water in the middle of summer and requires irrigation” “A lot of water when we don’t have any!! We walk on the head !!!, hammers Bernard Mages, whether for soybeans or corn. There has been talk for ages of creating varieties that are more tolerant to drought. But nothing was done. »
“Yes, but unfortunately, we don’t have the right to use them in France”, retorts Pierre Sarten.
Conversely, “too late in a wet year”?
Francis Simonon the contrary, expresses some doubts “in a wet year”, given “the late maturity of this plant”.
The same applies to Franck Dutot : “When to harvest in October/November…”
Objection d’Aymeric Ferte : “Last year in the Aisne, we harvested at the end of September. Not bad for a wet year! »
Francis Simon is not convinced: “With what humidity of reception in a storage unit?? »
“We stopped make soy because this plant is not adapted to our climates, especially without irrigation. But our technocrats have changed the situation. With the bonuses – the remuneration comes mainly from there – it will go there!! », estimates for his part New Jersey Gilles.
The question should be asked backwards.
Soy: still possible in the southwest?
Et titian to conclude: “We should rather have asked the question backwards: does soy still have a place in the southwest? Water is, in fact, essential to this crop at the end of the cycle and it is less and less available, even for irrigators with the increase in prohibitions on water withdrawal at the end of the campaign. »
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