"Seventeen Lianfeng" opens a new game-Behind Heilongjiang's No. 1 Food Production

In recent years, Fu Zhengwu, chairman of the Zixin Agricultural Machinery Farmers Cooperative in Hailun City, Heilongjiang Province, has personal experience of the effectiveness of black land protection
.
"Through crop rotation and smashing of straw and returning it to the field, the soil structure has been improved, and the soil organic matter content has been increased.
This year, the yield of soybeans per mu has reached 400 jin
.
" Fu Zhengwu said, "If you fool the black land, the land will fool you.
In the future, regardless of whether there is subsidy, I have to rotate crops
.
"

In recent years, Heilongjiang Province has implemented black soil protection measures such as farmland rotation and fallow, protective tillage, deep soil preparation, and straw returning to the field, making the black soil blacker and more "vigorous
.
"

"In order to increase the organic matter content in the soil, after the autumn harvest every year, we will bury the straw into the soil through deep tumbling to achieve the'black overwintering' of the black soil
.
" said Ma Yunqiao, head of the Heilongjiang Provincial Agricultural Environment and Cultivated Land Protection Station
.
In 2019, the “black wintering” area of ​​arable land in Heilongjiang Province exceeded 120 million mu, of which nearly 50 million mu was subsoiled
.

The reporter learned from the Heilongjiang Provincial Department of Agriculture and Rural Affairs that in recent years, Heilongjiang Province has increased the protection of black soil and has achieved results.
Monitoring data in 2019 show that the average thickness of the cultivated layer in the black soil protection pilot area has increased from 19.
8 cm in 2014 to 19.
8 cm.
23.
3 cm
.