According to soil fertility and soil structure in the loess plateau, the experiment of fertilizer amount was carried out with ammonium nitrate and calcium superphosphate.
根据黄土丘陵区土壤肥力特点及土体结构，选用硝酸铵和过磷酸钙作为试验肥料，进行了不同施肥量试验。
2
Calcium ammonium nitrate is a new high-analysis compound fertilizer with excellent properties.
硝酸铵钙是一种性能优良的复合肥料。
3
Production and Market Situation for High Efficient Compound Fertilizer-Ammonium Nitrate & Calcium Nitrate;