Dock, foxtail, jimsonweed, johnsongrass, morning glory, wild nightshades and ragweed indicate a soil low in calcium and phosphorus. |
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In the jimsonweed that she studies, hawkmoths deliver pollen in exchange for nectar, but also lay eggs on the plants. |
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Cattails begin to break as the final giant jimsonweed opens in the cornfields. |
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Investigation Corn and Soybean Intercropping Advantages in Competition with Redroot Pigweed and Jimsonweed. |
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