Publication Date
1989
Description
Our past experiments indicated that on calcareous soils, growing alfalfa for 5-7 years without phosphorus application led too large a soil available N/P ratio to keep the normal yield and quality of alfalfa production (Lin et al., 1964; Li, 1972). If phosphorus can be added sufficiently when alfalfa is grown, not only the Rhizobium nitrogen fixation can be promoted to keep a proper N/P ratio for alfalfa growth, but also a beneficial condition can be created for the following crops. (Li et al., 1988 ; Li, 1983).
Citation
Li, Zhongping; Wan, Shuzhen; and Zhao, Jianqiang, "The Effect of Adjusting Soil Availbale N/P Ratio Through Fertilizing on the Growth of Alfalfa" (2025). IGC Proceedings (1989-2023). 46.
https://uknowledge.uky.edu/igc/1989/session1/46
Included in
Agricultural Science Commons, Agronomy and Crop Sciences Commons, Plant Biology Commons, Plant Pathology Commons, Soil Science Commons, Weed Science Commons
The Effect of Adjusting Soil Availbale N/P Ratio Through Fertilizing on the Growth of Alfalfa
Our past experiments indicated that on calcareous soils, growing alfalfa for 5-7 years without phosphorus application led too large a soil available N/P ratio to keep the normal yield and quality of alfalfa production (Lin et al., 1964; Li, 1972). If phosphorus can be added sufficiently when alfalfa is grown, not only the Rhizobium nitrogen fixation can be promoted to keep a proper N/P ratio for alfalfa growth, but also a beneficial condition can be created for the following crops. (Li et al., 1988 ; Li, 1983).
