Demonstration area aims to boost crop yields on saline-alkaline soils
China DailyExperts inspect tobacco planted on saline-alkaline land in the demonstration area in Dongying. ZHAO YIMENG/CHINA DAILY In the same month, the area's soybean yield reached 3.5 metric tons per hectare, a record high on the "white land"-as it was dubbed by local people because of the high salt content that left a distinctive "frost" on the top layer of the soil-that once produced no more than 2.2 tons per hectare. The No 1 Central Document for 2022-the first policy statement released by the central authorities every year as an indicator of policy tools for work in rural areas-underscored the rising production capacities of soybeans and oil crops and ordered that the demonstration planting of soybeans should be launched on saline-alkaline soils. "So, when promoting new peanut varieties on saline-alkaline soils it is very important to use salty land and raise the production capacity of peanut oil. Meanwhile, the Ministry of Agriculture and Rural Affairs said one-third of China's 100 million hectares of saline-alkaline land has the potential to enable increased grain production and ensure national food security.