Group 1 - The core viewpoint of the article highlights the progress of autumn grain harvest across various regions in China, with over 85% of the harvest completed nationwide [1] - The northeastern major production area has completed over 90% of the autumn grain harvest, while the northwest region is nearing 90% completion [1] - The southwest and Huang-Huai-Hai regions have achieved about 85.5% of the harvest, and the Yangtze River middle and lower reaches are close to 80% [1] Group 2 - The Huang-Huai-Hai major production area has accelerated its autumn grain harvest, with provinces beginning to sow winter wheat [3] - In Anhui's northern main production area, the wheat sowing period is delayed by one week compared to the average due to previous rainfall, prompting the provincial agricultural department to send teams to guide local farmers [3] - Farmers in Ying Shang County are employing techniques such as simultaneous sowing and fertilization to improve planting quality and ensure uniform fertilization [5] Group 3 - In Shandong, the winter wheat sowing progress has accelerated, with over 3.4 million acres already sown [5] - Farmers are utilizing "drying soil" measures to address high soil moisture levels, ensuring effective sowing [5] - Agricultural machinery operators are using precision sowing machines to ensure consistent seed depth and spacing during the sowing process [7]

Group 1 - The national autumn grain harvest has surpassed 85%, with the Northeast region exceeding 90% and the Northwest nearing 90% as well [2] - The winter wheat sowing progress in major production areas has accelerated, reaching 15% completion [2] - In the Huang-Huai-Hai region, the autumn grain harvest has sped up, and provinces are beginning to sow winter wheat [2] Group 2 - In Anhui's northern main production area, wheat sowing is delayed by one week compared to the average due to previous rainfall [2] - Farmers are adopting techniques such as seed-fertilizer co-application to improve sowing quality and ensure uniform fertilization [2][4] - In Shandong, over 3.4 million acres of winter wheat have been sown, with farmers utilizing "drying soil" measures to manage high soil moisture [4] Group 3 - Farmers are employing precision seeding techniques to ensure consistent planting depth and spacing, which enhances seedling emergence [6]

Group 1: Wheat Production in Saline-Alkali Land - Large-scale mechanized harvesting of wheat in China is nearing completion, with high yields reported in saline-alkali test fields in Shandong Binzhou, where new wheat varieties achieved over 600 kg per mu [1][3] - The local agricultural authorities have developed over 600 wheat strains to enhance the variety of wheat resources suitable for saline-alkali land [3] - The focus is on transforming saline-alkali land into a new high ground for agricultural efficiency and farmer income through effective technology transfer [5] Group 2: Corn Planting and Quality Improvement - In Handan, Hebei, corn planting has commenced following the summer grain harvest, with measures like seed-fertilizer co-application being promoted to improve planting quality [7][11] - The seed-fertilizer co-application technique allows for simultaneous sowing and fertilization, optimizing fertilizer usage and enhancing seed growth [9][13] - As of now, Hebei has completed corn planting on over 30 million mu, achieving 85.3% of the total planned area [11] Group 3: Pest Control Innovations - In Tieling, Liaoning, the use of drones to release egg masses of Trichogramma wasps is being implemented as a biological pest control method to manage rice pests [15][16] - This method is particularly effective during the egg-laying period of the rice borer, with drone application offering advantages in time efficiency, labor cost reduction, and operational convenience compared to traditional methods [18]