The issues discussed above are the top concerns for most farmers in our country, and have been repeatedly emphasized by the Party Central Committee and the State Council in their No. 1 documents. Farmers are eager to solve production challenges, which have become the primary focus of all agricultural leaders, research institutions, manufacturers, and distributors. This year, the government proposed an investment of 6 billion yuan to support agriculture and farmers, encouraging them to invest more in soil improvement projects across 200 million mu of land. This includes soil testing and formula fertilization, aiming to address key agricultural problems. The main goal is to apply fertilizers more scientifically, conveniently, effectively, and at a lower cost. Soil testing and formula fertilization involve analyzing the land to determine its fertility level and what nutrients it lacks. Fertile soil is essential for plant growth and yield quality. However, due to the long-term overuse of single fertilizers, many soils have become infertile, with imbalances that harm crop production. Soil testing helps identify deficiencies, allowing for targeted and scientific nutrient application. By addressing these deficiencies, farmers can improve productivity while reducing waste. Despite understanding the root causes of soil issues, applying elements like nitrogen, phosphorus, potassium, boron, calcium, copper, iron, magnesium, manganese, molybdenum, silicon, and selenium to the right depth remains challenging. Although the Ministry of Agriculture recommended 21 types of deep fertilization in 2005, only a few of these are commonly used. For crops that grow up to one meter tall and are densely planted, traditional methods like spreading or flooding are ineffective, leading to low fertilizer efficiency—often less than 20%. Much of the fertilizer is lost through evaporation, causing resource waste and environmental pollution. In the past, farmers manually dug holes or used hammers to inject liquid nutrients into the soil, but this method was labor-intensive and inefficient. Three people could only cover 1.5 acres a day, making the process tiring and impractical. Farmers often had to apply fertilizers 2-3 times a year, digging thousands of small holes daily, which caused physical strain and limited adoption of soil improvement techniques. To make the process easier, farmers were taught to use simple tools, but this led to inefficiency and environmental harm. The LYJ water-saving fertilizer gun, recommended by the Ministry of Agriculture in 2005, offers a better solution. It can deeply apply liquid fertilizers, trace elements, and growth regulators up to 45 cm deep, with precise dosage control. One person, even a woman, can apply fertilizer to 2-3 mu per day without bending or digging, protecting plants from damage. This method increases fertilizer absorption, saves 40-50% of fertilizer, and improves yields by 10-15%. For drought-prone areas, the technology boosts production by 40-60%, improves efficiency tenfold, and avoids pollution. It also enhances fruit quality, sugar content, and overall yield. With this tool, farmers no longer need to rely on traditional methods or purchase multiple products separately. The LYJ gun simplifies the entire process, offering a clean, efficient, and high-tech solution that meets farmers’ real needs. It’s time for agricultural departments to prioritize access to such tools, ensuring farmers can benefit from modern, sustainable practices.

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Polylactic acid (PLA) is a novel biodegradable material made from starch derived from renewable plant resources such as corn. Starch raw materials obtained glucose through saccharification, and then fermentation of glucose and certain strains to produce high purity lactic acid, and then through chemical synthesis method to synthesize polylactic acid of a certain molecular weight. It has good biodegradability and can be completely degraded by microorganisms in nature after use, resulting in carbon dioxide and water, which does not pollute the environment. It is very beneficial to environmental protection and is recognized as an environmentally friendly material. Ordinary plastics are still incinerated, causing a large amount of greenhouse gases into the air, while polylactic acid plastics are buried in the soil to degrade, resulting in carbon dioxide directly into the soil organic matter or absorbed by plants, will not be discharged into the air, will not cause the greenhouse effect.

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