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It’s important to know the predominant soil type of each field to select the best soybean varieties. The R7® Tool lets you view both traditional soil-type maps as well as satellite-derived soil-variability maps. This field-specific information can help you determine the right variety for each field.
Extended use of irrigation water containing high levels of chloride can result in damage that is minor, up to nearly complete yield loss in soybean fields. Varieties are grouped as either salt includers or salt excluders.
Soybean cyst nematode (SCN) can be present in any soil type, but tends to be more dramatic in medium and coarse soils. Rotation and use of genetic resistance such as Peking or PI 88788 are the best options for control. Using Warden® CX seed treatment + Clariva® seed treatment is another tool for nematode control.
Phytophthora root rot (PRR) is a soil fungus that infects plants primarily in the early and late vegetative stage. PRR is most common in poorly drained, fine soils. To manage PRR, use a premium seed treatment such as Warden® CX. Also, select varieties for resistance genes, such as Rps1c, Rps1k or Rps3a, which have excellent PRR field tolerance.
Sudden death syndrome (SDS) is a fungal disease common in cool, moist growing seasons. SDS is often tied to SCN infections and early planting in medium to fine soils. There are currently no varieties with genetic resistance to SDS. CROPLAN® seed offers many high-yielding varieties with excellent SDS tolerance.
Answer Plot® data show the importance of selecting the correct variety for your soil type based on its characteristics, as this can create a difference in yield potential. In this example, Variety A has the highest percent of mean in a medium-type soil, yet there are other products that could have been selected to achieve a higher rank on that soil type. In comparison to other products on fine soils, Variety A is actually one of the top-performing varieties. Variety B also expresses its greatest percent of mean on coarse soil, and performed better than Variety A.