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cobalt and molybdenum (1) |
ecological factors (1) |
fertilization (1) |
Nitragin (1) |
protein and oil content (2) |
soybean (2) |
yield (2) |
yield of protein and oil (1) |
cobalt and molybdenum (1) |
ecological factors (1) |
fertilization (1) |
Nitragin (1) |
protein and oil content (2) |
soybean (2) |
yield (2) |
yield of protein and oil (1) |