China Petroleum & Chemical Corporation (Sinochem) has made significant progress in its soil testing and precision fertilization initiatives. Recently, the company successfully completed a special rice fertilizer demonstration project in Baishatang Village, located in Guangcun Town, Quzhou City. The application of customized rice fertilizers developed by Zhonghai Chemical Co., Ltd. led to a remarkable increase in yield—140 kg per mu compared to conventional farming methods, representing a 46.6% improvement that surpassed initial expectations.
Traditionally, farmers in Baishatang Village relied on their own experience for fertilization. Despite heavy fertilizer use, the rice had low seed setting rates and a high percentage of empty grains, resulting in an average yield of just 300 kg per mu. Last year, Sinochem partnered with the Zhangzhou Agricultural Technology Promotion Station to conduct soil tests across the village. Based on findings of potassium deficiency, a tailored fertilizer plan was introduced, reducing nitrogen and phosphate inputs while increasing potash. After applying the custom formula to 100 mu of land, the average yield jumped to 440.2 kg per mu, with a cost reduction of over 20 yuan per mu and a profit increase of more than 170 yuan per mu—providing substantial economic benefits.
Over the past year, Sinochem has established over 2,300 mu of demonstration fields across 18 cities and counties on Hainan Island. These efforts have helped shift local farming practices, reducing common misconceptions such as over-application of fertilizers and the tendency to purchase products solely based on price rather than nutrient content.
Soil testing and formula fertilization can be thought of as a "physical exam" for the land, providing targeted "prescriptions" for crops to achieve balanced nutrition. This approach improves fertilizer efficiency, reduces waste, boosts yields, and increases farm income. To date, Sinochem has developed eight specialized fertilizers tailored for different crops, including rice, sugarcane, bananas, and pineapples, ensuring each crop receives the nutrients it needs.
Since the implementation of the Sinochem Soil Testing and Formula Fertilization Project, there has been a noticeable rise in fertilizer utilization, crop yield, and product quality, along with significant economic and social benefits. This initiative not only supports sustainable agriculture but also empowers farmers with better knowledge and tools for long-term success.
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