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Northeast China's black soil long overburdened, degradation and loss problems growing increasingly serious

In the past, a chopstick stuck in the ground would sprout; now, how come fertilizer is applied but grain still won't grow? In Zihe Village, Erjing Town, Bei'an City, Heilongjiang Province, village party branch secretary Yan Zhongjie dug less than 30 cm with a shovel and exposed yellow earth. The black soil layer has dropped from an average of 60 to 70 cm in the 1950s to
2016-01-10 13:49:44

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Northeast China's black soil long overburdened, degradation and loss problems growing increasingly serious