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Donald L. Sparks

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Stand Alone

Advances in Agronomy: Volume 72
Advances in Agronomy: Volume 69
Advances in Agronomy: Volume 83
Advances in Agronomy: Volume 61
Advances in Agronomy: Volume 48
Advances in Agronomy: Volume 46
Advances in Agronomy: Volume 65
Advances in Agronomy: Volume 57
Advances in Agronomy: Volume 52
Advances in Agronomy: Volume 49
Advances in Agronomy: Volume 47
Advances in Agronomy: Volume 54
Advances in Agronomy: Volume 89
Advances in Agronomy: Volume 85
Advances in Agronomy: Volume 76

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