护好用好我们的土地资源（美丽中国·全国土地日特别报道）

Core Viewpoint - The article emphasizes the importance of land conservation and sustainable agricultural practices, highlighting various successful initiatives in China aimed at restoring degraded land and improving agricultural productivity [7]. Group 1: Land Restoration Initiatives - In Huan County, a total of 1.36 billion yuan has been invested since 2019 to restore 370 erosion gullies, significantly improving land stability and agricultural output [9]. - After comprehensive restoration, nearly 5 acres of previously eroded land were reclaimed, allowing for increased corn planting and reduced operational costs due to mechanization, resulting in an annual income increase of 6,000 yuan for local farmers [10]. - The county has achieved a water and soil conservation rate of 91.95% through innovative management models that involve both enterprises and local farmers [11]. Group 2: Agricultural Innovation - In Jiangxi Province, a previously flooded area has been transformed into a productive corn base, yielding a total output of over 2.7 million pounds, with a single-season yield of 2,500 pounds per acre [12][13]. - The local government has initiated scientific reclamation efforts, increasing soil organic matter from 1.2% to 2.1% and expanding the planting area by over 300 acres [14]. - The introduction of fresh corn cultivation has provided local farmers with multiple income streams, including land rental fees and daily wages from farm work [14]. Group 3: Saline-Alkali Land Improvement - In Dongying City, a comprehensive improvement project for saline-alkali land has led to increased grain yields and enhanced farmer incomes through collective investment and shared profits [15][16]. - The use of real-time data monitoring for soil conditions has improved agricultural practices, allowing for precise irrigation and fertilization [16]. - The introduction of salt-tolerant crop varieties has resulted in significant yield increases, with wheat production exceeding 1,000 pounds per acre in previously unproductive saline-alkali areas [17].