WebJul 1, 2024 · The erosion rates of 12 black soil profiles in Northeast China were analyzed using the 137 Cs technique. The estimated erosion rates are within the range of 0.09 to >4.64 mm/a. These results, combined with previously published data, indicate a gradual decrease in the erosion rate from west (>3 mm/a) to east (0–3 mm/a) across the black … WebSep 18, 2024 · The black soil in Northeast China is considered one of the most fertile in the country. However, it is in a critical condition due to years of intensive production and …
How does soil organic matter stabilize with soil and …
WebApr 8, 2024 · Abstract. Food security is the top priority of a country. As an important granary in China, the northeast black land is a "ballast" to ensure national food security. … WebMar 9, 2024 · Characteristics of soil Collembolan communities. (A) The relative abundance was defined as the percentage of soil Collembolan communities in different degrees of land degradation; (B) Venn diagram ... pearly white vs shoji white
Black Soils are key to achieving Zero Hunger and for climate …
WebApr 10, 2024 · The degradation of propaquizafop in different soils followed the first-order kinetics model, with R 2 between 0.91 and 0.96, and the half-lives in the different soils were ginseng soil (7.75 d ... WebJun 27, 2024 · This research aimed to evaluate the phosphorus balances at field level in black Soil Region in northeast China, which is one of three black soil regions in world and is one of the most important agricultural production regions in China. By using the soil nutrient balance method, the phosphorus balances were calculated for 11 fields … WebMay 15, 2024 · The black soil region in Northeast China is an important production base of commodity grain. However, soil erosion is a major threat that has caused a decline in arable land area and productivity and a series of environmental problems in recent years. pearly whites dental office