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Schematic diagram of black soil structure
"Pinch the black soil and the oil will bloom, and the chopsticks can sprout.
From May 23rd to 29th, Heilongjiang Province launched the first Black Land Conservation Week
The color is black as a treasure, and the soil is good and fertile
The origin of the name "Black Earth" comes first from its color characteristics, which is also its advantage
The preciousness of black soil lies in its hard-earning and great significance
As one of the main black soil belts in the world, the typical black soil area in Northeast China has an area of about 278 million mu of cultivated land
It cannot be ignored that, affected by factors such as unreasonable farming methods, the black soil in Northeast China is "thinning, thinning and hardening", and some areas are facing soil erosion, soil compaction, organic matter content decline, pH value drop, soil nutrient loss, etc.
To make the black land rejuvenate, accurate pulse and prescribe the right medicine are the key
Now, everywhere has acted
(The author is a second-level researcher at the Heilongjiang Academy of Agricultural Sciences, interviewed by reporter Chang Qin)