The Chinese Academy of Sciences (CAS) on Monday announced a series of achievements made over the past five years in black soil conservation and utilization, including theoretical breakthroughs, technological innovations, model development and the research
https://en.wikipedia.org/wiki/Chernozem
'Chernozem (/ˈtʃɜːrnəzɛm/ CHUR-nə-zem),[a] also called black soil, black earth, dark earth, regur soil or black cotton soil, is a black-colored soil containing a high percentage of humus[2] (4% to 16%) and high percentages of phosphorus and ammonia compounds.[3] Chernozem is very fertile and can produce high agricultural yields with its high moisture-storage capacity. ’
lol I misread humus as hummus