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Safrinha Transforms Brazilian Agriculture Into A Double Production Machine, Allows Harvesting Soybeans And Corn In The Same Year And Leaves The US Producer With The Dramatic Decision Between Soybeans And Corn In A Single Planting That Affects The Global Food Price
In Brazil, the main crop and the second crop make the land work double shifts. The same area receives soybeans and corn in the same agricultural year, and sometimes even a third crop, which increases total production and spreads the producer’s risk. While here soybeans are harvested and soon after second crop corn is planted, the Brazilian farmer is able to harvest more sacks per hectare throughout the year using the same ground.
In the United States, the reality is almost the opposite. In the Corn Belt, winter is so harsh that producers only have a short window between May and September to plant. There, the farm has one shot per year and is forced to choose between soybeans and corn. This decision, on millions of highly productive hectares, ultimately defines not only the profits of the American producer but also the prices of soybeans and corn worldwide.
What Is The Second Crop And Why Does Brazil Plant Soybeans And Corn In The Same Area
Here, the logic is clear: harvest soybeans and corn on the same land to make the most of the climate. In the Midwest, for example, soybeans are planted in spring, grow with summer rains, and are harvested between February and April. Soon after, the same area receives second crop corn or another crop like sorghum, without needing to wait for an entire cycle.
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The water that almost everyone throws away after cooking potatoes carries nutrients released during the preparation and can be reused to help in the development of plants when used correctly at the base of gardens and pots, at no additional cost and without changing the routine.
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The sea water temperature rose from 28 to 34 degrees in Santa Catarina and killed up to 90% of the oysters: producers who planted over 1 million seeds lost practically everything and say that if it happens again, production is doomed to end.
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An Indian tree that grows in the Brazilian Northeast produces an oil capable of acting against more than 200 species of pests and interrupting the insect cycle, gaining ground as a natural alternative in soybean, cotton, and vegetable crops.
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The rise in oil prices in the Middle East is already affecting Brazilian sugar: mills in the Central-South are seeing their margins shrink just as ethanol gains strength.
This model transforms the field into a double production machine, helps dilute fixed costs, and allows Brazilian producers to profit at different times of the year, adjusting the sale of soybeans and corn according to market opportunities.
US: One Planting, One Possible Success Per Year
In the Corn Belt, the picture is quite different. States like Iowa and Illinois have flat, dark, and extremely fertile land but suffer from intense snow and cold in winter. The soil is literally covered, and the biological production window is short, measured to the millimeter.
The season opens in spring and closes at the end of summer. This means that the American producer can only plant one crop per year on that same piece of land. There is no second crop like ours: it’s plant, hope for favorable weather, and harvest. If it goes wrong, there is no second chance in that cycle.
Soybeans And Corn Form A “Biological Duopoly” In The Corn Belt
In the agricultural heart of the United States, soybeans and corn dominate the landscape. Together, the two crops occupy around more than 180 million acres every year. It’s so much land that economists describe the region as a “biological duopoly”: two products dominating practically all agricultural income.
Corn is historically the preferred choice for Americans. It produces much more physical volume than soybeans on the same piece of land, potentially yielding up to three times more tons per hectare. However, this preference comes at a price: planting corn on high productivity land can cost around $1,200 per acre, while soybeans hover around $930, almost $300 less per acre.
The difference mainly comes from nitrogen. Corn is a “chemical addict”: it requires large doses of synthetic nitrogen fertilizer, made from natural gas, which is extremely sensitive to the energy market. Soybeans, being legumes, have symbiosis with soil bacteria, fix nitrogen from the air, and reduce fertilization costs, keeping the total cost much lower.
Export, China And The Price War Between Soybeans And Corn
The fate of soybeans and corn also weighs on the decision. In the United States, much of the corn stays within the country: it goes to animal feed or becomes ethanol. Soybeans, on the other hand, depend heavily on exports, with China being the primary market.
On one side is Brazil; on the other, the United States, competing for the same giant soybean buyer. When the American producer decides to plant more soybeans and less corn, it increases the global soybean supply and pressures the price. If they choose to plant more corn and reduce soybeans, the soybean supply tightens and prices tend to rise.
That’s why what happens with soybeans and corn in the Corn Belt directly impacts the Brazilian producer’s pocket. Even with Brazil producing twice on the same area with the second crop, it sells the same commodity as the American producer, to the same buyer, based on the same exchange rates and market references.
The Biological Factor: Why It’s Not Viable To Plant Only Soybeans Or Only Corn
If the decision were purely financial, it would be “simple”: everyone would do the math and only plant the most profitable crop of the moment. But the land comes with a cost. Field research shows that repeating corn over corn reduces productivity by about 4%, even with a lot of fertilizer. In the case of soybeans over soybeans, the average penalty can reach a 10% drop.
This “invisible discount” is known as the biological tax. It occurs, for example, due to pests like the corn rootworm, which explode when encountering corn year after year in the same area. The cheapest way to break this cycle is through rotation: one year corn, another year soybeans.
As a result: between 80% and 85% of American land follows a strict soybean-corn rotation system, not by trend but by agronomic necessity. Biology limits how much a producer can push the land to one side.
The “Swing Acres”: Where The Choice Between Soybeans And Corn Decides Global Prices
Even with mandatory rotation, there is still room for maneuver. Between 10% and 15% of the total area consists of swing acres, the acres that can “swing” between soybeans and corn from one year to the next. It is precisely there that decisions that move billions of dollars are made.
To decide what to plant on these swing acres, the American producer compares the prices of soybeans and corn using a simple rule: divide the price of a sack of soybeans by the price of a sack of corn. The magic number is around 2.5.
- If the result is above 2.5, it’s usually more profitable to plant soybeans.
- If it’s below 2.5, corn becomes the better bet.
It is in these 10% to 15% of land that the global balance of soybeans and corn tilts one way or another, affecting quotations, premiums, and ultimately, the price of food that reaches consumers.
The Surprise Factor: Renewable Diesel Enters The Competition
In recent years, a new player has emerged in the battle between soybeans and corn: renewable diesel, known as HVO. Unlike traditional biodiesel, which needs to be mixed, HVO is a premium diesel that can go straight into the tank of trucks and other vehicles.
The main raw material for this new industry is soybean oil. With demand exploding, an increasing share of American soybean oil has begun to be burned as renewable fuel, raising the economic importance of soybeans both inside and outside the United States.
At the same time, refineries have discovered that they can also use used cooking oil and animal fats, many imported from countries like Brazil and China. This further complicates the calculations, as it creates alternatives to soybeans in fuel production and forces the American producer to recalculate, season after season, whether it’s worthwhile to invest more in soybeans or corn.
What The Advantage Of The Second Crop Means For Brazil
For Brazil, the message is twofold. On one hand, the second crop elevates soybeans and corn to another level of production, with two harvests on the same area and, in many cases, better utilization of climate, logistics, and infrastructure. On the other hand, the country remains a hostage to the same global price shelf that the American producer helps define.
Understanding how the single crop works in the United States, the strict rotation, the swing acres, and the competition between soybeans and corn in the Corn Belt is part of the game to plan sales, lock in prices, and reduce risk in Brazilian agriculture, whether on a small, medium, or large scale.
In your opinion, is Brazil’s biggest asset in this global competition having a second crop for soybeans and corn, or does the producer still need to learn to better utilize this advantage when it comes time to sell the harvest?
Matéria incrível, nunca tinha lido a respeito com tanta informação, pra quem não é da área foi direto ao ponto sem excesso e não deixou dúvidas, obrigado ao jornalista