
On April 4, 2026, Lishudi in Dongzhuang Village, Hongzhiyi Town, Yanhu District, Yuncheng City welcomed the educated youth who had jumped the queue here at the age of 17 in 1975. Fifty one years later, they returned to their hometown to witness an invention that helped promote rural revitalization. Originally, among this group of educated youth, there was a great inventor named Zhao Shuhai who invented a "Shubao" device buried under a pear tree. A miracle happened. Zhao Shuhai opened the scene by saying, "Look on both sides, the right side is a pear tree planted with" Shubao ", and the left side is a pear tree planted in a traditional way. What are the differences? The scene was filled with cheers, exclaiming, "Oh my! This comparison highlights!" "Thick tree flowers with 'Shubao'" "Large flowers!" "Many flowers!" "Like snow!" "Strong growth!" "Definitely high-yield!" "Amazing!" We shouted at each other.
Continuing with Zhao Shuhai's lecture: Last year, during a severe drought, a large area of yellow leaves appeared on 10000 acres of pear trees in Hongzhiyi Town, affecting the yield and quality of pears. However, using "Shubao" pear trees without watering, fertilization, yellow leaves, large pear size, increased yield, high sweetness, good quality, early listing, and direct shipment to the Shanghai market at a high selling price demonstrated the power of "Shubao".
Zhao Shuhai teaches farmers the technique of planting with "Shubao"
There are many flowers blooming with 'Shubao'
The flowering on the left side with 'Shubao' is much better than the one on the right side without 'Shubao'
Installing 'Shubao' is ineffective in utilizing rainfall effectively, no grass grows under trees, and no herbicides are used
By 2025, thousands of acres of pear trees will have large areas of yellow leaves due to excessive watering caused by drought, while those using "Shubao" will not have yellow leaves.
For the past 9 years, all experiments have been conducted without watering or fertilizing, resulting in plants grown much better with "Shubao" than with existing technologies.
The leaves of thousands of acres of pear trees have fallen, but the leaves of pear trees that use "Shubao" are still green, with large fruits, high sweetness, and high selling price





Zhao Shuhai said: 60 years ago, the groundwater level here was only 2 meters above the ground. Wheat and cotton were harvested year after year without fertilizer. A stream of clear water from the Sushui River flowed through here all the year round and poured into the Yellow River without worrying about drinking, eating or wearing. "Spicy oil is the best dish, and Pita bread soaked in Lamb Soup is the beautiful lady." It has continued five thousand years of farming culture and raised people. Nowadays, the groundwater level has dropped to 280 meters, and the Wushui River has been cut off for 40 years. Geological subsidence and house cracks are common phenomena, all of which are due to the extensive use of water pumps and long-term overexploitation of groundwater; The extensive use of fertilizers, soil compaction, and herbicides have caused serious ecological damage, and if this continues, our future generations will face catastrophic disasters. Today we see the effect of "Shubao". With "Shubao", there is no need for irrigation, ineffective rainfall is effectively utilized, and gas is also sent to the roots of plants. Yellow leaves will not appear, and high yields can be achieved without the use of chemical fertilizers. It is an ideal product for the development of organic dryland agriculture, ecological protection in the Yellow River Basin, and high-quality development.
Zhao Shuhai's invention of the "Plant Greening Jar", abbreviated as "Shubao", consists of a water storage tank, an evaporation hood, a check valve, a funnel, and a filter screen. It has obtained an international patent and has undergone a large number of experiments in the past 10 years. Whether it is fruit trees, pear trees, peach trees, jujube trees, Sichuan pepper trees, walnut trees, etc., it has achieved unexpected beneficial effects. In 2025, Zhao Shuhai won the "Star of Scientific and Technological Innovation" in the agricultural field of Shanxi Province and was also elected the president of Yuncheng City Invention Association. He went to Mauritania to plant orange trees in the Sahara Desert of Africa with "Shubao", which shocked the international forum. Recently, he received an invitation from the special envoy of the President of Botswana to teach agricultural technology based on "Shubao".

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