甘肃五年探索6种模式治理22万亩盐碱耕地

Core Insights - Gansu Province has successfully tested six models for the comprehensive management of 220,000 acres of saline-alkali farmland, contributing to the improvement of agricultural productivity and food security [1][3]. Group 1: Agricultural Development - Gansu's grain production has remained stable at over 12 million tons for five consecutive years, with an expected increase to 13 million tons by 2025 [3]. - The province has implemented a large-scale yield enhancement project, establishing 18 comprehensive yield improvement areas and 22 green high-yield demonstration counties, with a two-year three-crop rotation covering 6.33 million acres [3]. - The average yield per acre has increased from 303 kg in 2020 to 318 kg in 2024 [3]. Group 2: Technological Advancements - Gansu's agricultural technology has shifted from single-item focus to a systematic approach, establishing a technical system led by 10 chief experts and supported by 81 collaborative experts and 49 regional testing stations [3]. - The contribution rate of agricultural technology progress has risen from 57% in 2020 to 60% in 2024 [3]. - The province has promoted drought-resistant water-saving technologies covering 76.2 million acres, with a total film coverage area of 35.47 million acres [3]. Group 3: Crop Yield Improvements - The yields of wheat, corn, potatoes, soybeans, and oilseeds have increased by 8.44%, 0.29%, 2.98%, 8.44%, and 5.58% respectively compared to 2020, with yield improvements contributing over 80% to the province's grain production increase [4]. - The comprehensive mechanization rate for crop farming has reached 71%, an increase of 9.2 percentage points since 2020 [4].