Soybean growth stages and requirements
Kristina Bachteler
08.02.2022
First of all, during vegetative growth, the soybean plants form nodes and leaves for photosynthesis. During germination , the soil temperature must be at least 10°C with sufficient water availability. After the cotyledons and the first leaf are fully developed (BBCH 10, Fig. 3), the energy reserves in the grain and the photosynthesis of the cotyledons supply the seedling with the necessary nutrients for approx. 7-10 days. In the process, the cotyledons lose about 70% of their dry weight. The rate of photosynthesis depends on the photosynthesis capacity of the leaves as well as on environmental conditions like solar radiation, CO₂-concentration, temperature and the availability of water and nutrients. In this Taifun brochure deeper insights on the soybean growth stages and according requierements are given.
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Kristina Bachteler
Funded by the Federal Ministry of Food and Agriculture on the basis of a resolution of the German Bundestag within the framework of the BMEL Protein Plant Strategy. Legumes Translated has received funding from the European Union's Horizon 2020 research and innnovation programme under grant agreement No. 817634.
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