Soybean field with green John Deere harvester at golden hour

Mechanized soybean harvest with a green John Deere harvester in a mature field during the evening golden hour.

About this subject

Soybean (Glycine max) is Brazil's leading agricultural commodity, with the country established as the world's largest producer and exporter, harvesting over 150 million tons annually. Mechanized harvesting is a critical stage, occurring from January to May in key regions such as Mato Grosso, Paraná, and Rio Grande do Sul. John Deere harvesters, easily identified by their distinctive green color, are widely used in Brazilian agribusiness due to their efficiency and onboard technology that minimizes losses and ensures grain quality.

The harvest operation takes place when soybeans reach physiological maturity, with moisture content between 13% and 15%. The machines perform cutting, threshing, separation, and cleaning in a single continuous flow. Brazil's harvester fleet is estimated at over 400,000 units, with John Deere being a leading brand, notably the S-Series models that offer high processing capacity and automation systems like HarvestSmart.

The landscape of Brazilian soybean fields features vast monoculture expanses that drive the economy but also spark debates on sustainability, deforestation, and pesticide use. The golden hour at dusk provides ideal lighting for fieldwork, reducing glare and improving operator visibility. Night harvesting is also common, using LED headlights to extend working hours.

Interesting fact: Brazil began large-scale soybean cultivation in the 1970s, with government incentives and adaptation of varieties to tropical climates. Today, the country accounts for about 40% of global soybean trade, with average yields exceeding 3,500 kg per hectare. Mechanization was key to this productivity leap, replacing manual harvesting and reducing operation time.

Frequently Asked Questions

Why are John Deere harvesters green?

The green color is John Deere's brand identity since the 19th century, when the company started manufacturing steel plows. The choice was based on paint availability at the time and has become a symbol of quality and tradition in the agricultural sector.

How does mechanized soybean harvesting work?

The harvester cuts the plants, threshes to separate grains from pods, separates grains from straw, and cleans them. Grains are stored in an onboard tank and later transferred to trucks. Constant adjustments are needed to minimize losses and grain damage.

What is the significance of soybeans for Brazil?

Soybeans are Brazil's top agricultural product, accounting for about 40% of the country's agricultural exports. Brazil is the world's largest producer and exporter, with annual harvests exceeding 150 million tons, generating significant employment and revenue.