I. Introduction zinc FA urea
1, the color of the value-added urea product is brown to black, the nitrogen content of not less than 46%, in line with national standards for the amount of urea nitrogen (GB2440-2001);
2, efficiency significantly, the added synergist has Conventional detectability;
3, synergists, botanical extracts and natural substances to the environment, crops and humans;
4, zinc trace FA synergist efficient, zinc humic acid content of ≥0.12%, ammonia volatilization inhibition rate ≥ 10%.
Second, product characteristics
1, adding the active synergists, nutrient use is high;
2, natural root-inducing agent, Roots stout seedlings;
3, chelated zinc, more comprehensive nutrition;
4, the combination of rapid long-term, safe and production.
Third, experimental verification
Zinc humic acid products in the country to establish a pilot demonstration network, spring corn in Heilongjiang, Jilin, Xinjiang, Shaanxi, Shandong, Henan, Hunan, Zhejiang, Hubei, Jiangxi, Chongqing, Guangdong 17 provinces, cotton, wheat and maize, We carried out extensive field tests to verify the effect of peanut, rice, rapeseed and other 17 kinds of field crops. Zinc FA Urea and Common at the same amount, the average crop yield of 9.6%.