Core Insights - The article highlights the advancements in agricultural biotechnology, particularly in the breeding of high-quality corn and soybean varieties that enhance yield and nutritional value, addressing the challenges of feed grain imports in China [1][3][5]. Group 1: Corn Breeding Innovations - The new corn variety showcased in the demonstration field has a planting density of 5000-5500 plants per mu, with a potential yield of 750-800 kg per mu, featuring high protein and fat content, as well as strong resistance to lodging and diseases [1][3]. - This corn variety represents a breakthrough in functional feed corn breeding, successfully integrating high yield and quality through advanced biotechnological methods, providing better feed options for the livestock industry [3][5]. Group 2: Soybean Breeding Developments - The "Zhongnong Dou No. 1" soybean variety demonstrated a theoretical yield of 380.59 kg per mu, significantly surpassing the national average, with notable advantages in protein and fat content [5][6]. - The breeding innovations aim to address the increasing reliance on imported soybeans, providing new pathways to enhance domestic production and ensure food security [5][6]. Group 3: Agricultural Practices and Economic Impact - The successful implementation of these breeding results is attributed to the land management model by Shandong Supply and Marketing Modern Agricultural Development Group, which combines land share cooperation with comprehensive management services [8]. - The introduction of an order-based agricultural model ensures stable market access and profitability for farmers, while the "wheat-soybean" rotation model enhances soil health and reduces fertilizer use, leading to increased yields and economic benefits [8][9]. Group 4: Industry Growth and Future Prospects - Shandong province has made significant strides in breeding innovation, with multiple crop varieties ranking among the top ten in national promotion area, contributing to a projected seed sales revenue of 14 billion yuan in 2024, accounting for 10% of the national total [9]. - The province's summer grain yield and total production growth are leading the nation, indicating a successful transition from quality seed varieties to improved harvest outcomes [9].