Group 1 - The "Three-North" project has significantly improved the livelihoods of local herders, with successful sand control and ecological restoration efforts [1] - The introduction of Mongolian ice grass (Mengnong No. 1) as a preferred grass species for sand land management due to its drought resistance, cold tolerance, and adaptability [3][5] - The research team has developed multiple new varieties of ice grass through advanced breeding techniques, enhancing ecological restoration efficiency and economic development [6] Group 2 - The establishment of two standards for ice grass breeding provides systematic and practical methodologies to improve seed yield and resilience [7] - The ice grass breeding base spans 9,000 acres, with new technologies expected to increase biomass by over 10% [9] - The annual production of over 1,625 tons of ice grass from breeding bases supports sand control and ecological restoration efforts across multiple regions [12]