Recently, the “Humic Acid Coated Controlled-Release Fertilizer†independently developed by Shandong Jinzhengda Company was listed as a national key new product for the year 2011 by the Ministry of Science and Technology.
It is understood that humic acid-coated controlled-release fertilizer is a new type of controlled-release fertilizer developed by Kim Jung-Da Corp. by combining the characteristics of humic acid and controlled-release fertilizer production technology. This product has been developed in Shandong, Hebei, Heilongjiang and Guangdong. Field trials, demonstrations, and extensions of rice, corn, wheat, vegetables, fruit trees, flowers, and other crops. The results of the study indicate that under the same conditions, the use of humic acid-coated controlled-release fertilizers is more than 50% higher than that of common fertilizers. With a one-third reduction, there is still a significant increase in production and can be increased. Production and income. At the same time, due to the increase of fertilizer utilization, it is of great significance to effectively reduce the leaching loss of fertilizers and save fertilizer resources, which is of great importance for protecting the ecological environment and promoting the sustainable development of agriculture. The “coated coated controlled-release fertilizer†and “rice-specific controlled-release fertilizer†developed by Jin Zhengda Company were successively listed as national key new products in 2007 and 2010.
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