Potassium cycling in the wheat/corn soil/plant system

IPNI-1997-CHN-XJ1

Potassium cycling in the wheat/corn soil/plant system, 1995 The optimal potash rate of 113 kg K2O/ha increased wheat yields by 16 percent. Research to date on the desert soils of Xinjiang province indicates that they vary in native soil K levels and that crops growing on soils high in K (183 mg/kg) respond positively to potash additions. Plant available soil K was increased by 24 percent and 38 to 55 percent after being amended with 113 and 225 kg K2O/ha, respectively. Read more


Year of initiation:1997
Year of completion:1997

Interpretive Summary

1995

Potassium cycling in the wheat/corn soil/plant system, 1995 The optimal potash rate of 113 kg K2O/ha increased wheat yields by 16 percent. Research to date on the desert soils of Xinjiang province indicates that they vary in native soil K levels and that crops growing on soils high in K (183 mg/kg) respond positively to potash additions. Plant available soil K was increased by 24 percent and 38 to 55 percent after being amended with 113 and 225 kg K2O/ha, respectively.



Project Leader

Huang Ziwei, Institute of Biology, Pedology & Desert Research


Project Cooperators

None


IPNI Staff

S. Li


Location

Asia \ Eastern Asia \ CHN \ Xinjiang


Topics

nutrient removal

maize, wheat

Potassium (K)