Abstract
The introduction and spread of invasive plants has been consistently linked to the development of agricultural crops such as cereal grains, legumes, and forage grasses. This is because cultivating a crop involves both soil disturbance (e.g., plowing and har- rowing) and the introduction of plant species, both the in- tended crop and unintended contaminants that accompany crop seed.1 Cultivation is also consistently linked with the creation of land-use legacies, which continue to impact eco- system structure and function for long periods of time follow- ing human utilization of resources. These land-use legacies can alter soils, hydrology, and plant communities in ways that persist for decades, centuries, and even millennia.2,3 A com- mon legacy of cultivation is invasive plant species dominance, causing the site to remain “stuck” in a state of arrested succes- sion with early-seral weedy species dominating for decades. DOI: 10.2458/azu_rangelands_v34i6_morris
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