Group 1: Wheat Harvesting Progress - The national wheat harvesting progress has exceeded 70% as of yesterday, with significant activity in southeastern Hebei, northwestern Shandong, and central Shaanxi [1] - In Dongying District, Shandong, 204,500 acres of wheat have entered the harvest season, showcasing a successful agricultural scene with modern machinery [1] - The Dongying area has reported that over 10,000 acres of wheat have already been harvested, with expectations to complete the harvest by the end of June [11] Group 2: Saline-Alkali Land Development - Dongying District has transformed previously barren saline-alkali land into productive agricultural land, shifting from growing only salt-tolerant crops to cultivating wheat [3][5] - The soil salinity has decreased from 0.3% to 0.1% due to high-standard farmland construction and various soil improvement measures [7] - The area is now able to grow wheat, with expectations of over 1,000 pounds per acre this year, and plans for crop rotation with soybeans and corn [9] Group 3: Agricultural Technology and Innovation - The introduction of the Beidou navigation system in smart agricultural machinery has improved planting efficiency, allowing for precise sowing and reduced labor [12][15] - The new technology enables a planting density increase of approximately 1,000 plants per acre compared to traditional methods [17] - In Guizhou's Luodian County, the promotion of new vegetable varieties and technologies has led to a significant increase in vegetable production, with a total output value of 1.79 billion yuan [29]