Basal Application of TBS (a environment-protecting fertilizer) and a NPK combined fertilizer in peanut can enhance the crop to grow well, increase the pod number and the percentage of the well-filled pods so that both the yield and income increase.

The result of the study indicates that polybasic compound fertilizer of powdered coal ash increases peanut production.

The result of the study indicates that applying polybasic compound fertilizer of powdered coal ash increases the content of nutrients in soil, meets the need of rice for various nutritional elements, enhances the growth and development of rice, and increases rice production and economic performance.

By comparing two processing methods to test effective and total content of trace elements in NPK compound-fertilizers.

Production of 300 kt/a S-based NPK fertilizer by revamping 60 kt/a AP plant;

Various anionic forms Zinc and three nutrient compound fertilizer were used in the purple soil of Sichuan Basin in order to study the effect of combined application of these various anionic forms Zinc and three nutrient compound fertilizers on the yield, quality and nutrient absorption of rice.