Report - Wie ist es um die Bodenfruchtbarkeit in Deutschland bestellt ......0 y = -0,005x + 0,594 r² = 0,44* 40/50 y = -0,004x + 0,609 r² = 0,23* 80/100 y = -0,004x + 0,679 r² = 0,23* 120/150

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