The young man can kill three birds with one stone by raising earthworms under the tree.
On September 3, the author met Zheng Qingchen, a young man who raised earthworms under a tree in Sheng Village, Matou Town, Tancheng County. He happily caught a handful of organic fertilizer with earthworms to show everyone the growth of "soft gold" earthworms. Look, under the ginkgo tree are hotbeds made of cow dung and straw. turning over the surface layer of organic fertilizer, earthworms stretch and wriggle hurriedly, and earthworms that are afraid of seeing light drill down hard.
Young man Zheng Qingchen said that raising earthworms under trees can improve the environment of forest soil, and cow dung eaten by earthworms also provides rich organic fertilizer for trees, which is more conducive to the growth of trees, forming a three-dimensional complementary model of tree planting and earthworm breeding. In the past, cow dung was mostly sold to nearby farmers as compost at a low price. Now it is sold to a car of 200 yuan for raising earthworms. After the harmless treatment of fermented earthworms, it has become an organic fertilizer for growing vegetables, grapes and fruits. Earthworms can be used as fishing supplies, animal extracts, processing of agricultural and sideline products, raw animal medicines, etc., the market is in short supply. A mu of land can produce about 1 ton of earthworms per year, and the net profit is 10,000 yuan, and the earthworm dung produced can also be sold for 600-800 yuan per ton. In the whole cycle, the energy is used layer by layer, which can not only increase the income of farmers, but also make use of idle resources, which provides favorable conditions for gradually improving the surrounding environment.
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