Analysis and reflection on the quality status of compound fertilizer in China
Compound fertilizer is the variety with the largest production capacity,yield and dosage in China,its quality affects national food security,agricultural product quality safety,ecological environment safety and the practical interests of farmers directly.The results of national fertilizer quality supervision in many years show that the overall qualification rate of the sampled compound fertilizer is 94.7%,the qualification rate of sampled compound fertilizer in enterprises is slightly higher than that in the retail market,and quality issues remain severe.Nutrient content indicators that do not meet the standards account for 78.6%of all unqualified products,and it is common that multiple nutrient indicators are unqualified at the same time;The main reasons of unqualified nutrient indicators are total nutrient not meeting the standard because of insufficient single nutrient and lack of potassium content;The chloride ion content indicator needs to be continuously monitored in addition.High concentration compound fertilizers are mainstream products,which is with a decreasing proportion;There is a significant increase in the proportion of medium concentration products;15-15-15 and similar balanced formula compound fertilizers account for 59.7%,which is far higher than other formulas.In response to the new situation in the compound fertilizer industry,it is necessary to comprehensively strengthen supervision and management,fully improve product quality,vigorously guide precise connection between production and demand,and promote high-quality development of the industry jointly.
compound fertilizersupervision spot-checkquality safetycountermeasures and suggestions