Research on soil erosion and balanced fertilization

IPNI-1995-CHN-SC12

Research on soil erosion and balanced fertilization in Sichuan province, 1997 Compared to a complete treatment of balanced N, P and K, trials in Ziyang county found 15 percent and 16 percent reductions in wheat yield when fertilizer P and K were respectively excluded from the treatments. The use of 15 t/ha of chicken manure in combination with N, P and K increased yield over chicken manure alone by 4. 6 percent. Read more


Year of initiation:1995
Year of completion:1997

Interpretive Summary

1997

Research on soil erosion and balanced fertilization in Sichuan province, 1997 Compared to a complete treatment of balanced N, P and K, trials in Ziyang county found 15 percent and 16 percent reductions in wheat yield when fertilizer P and K were respectively excluded from the treatments. The use of 15 t/ha of chicken manure in combination with N, P and K increased yield over chicken manure alone by 4. 6 percent.

1996

Research on soil erosion and balanced fertilization, 1996 First year results indicate balanced fertilization of N, P and K reduced soil erosion by as much as 242 percent. Rational fertilizer use maximized the use of rainfall and improved crop yield. Project results indicate the best corn yields would be obtained with K application at the 20 to 60 cm depth. These results are critical to the restoration of sloping agricultural lands.



Project Leader

Zhu Zhonglin, Sichuan Academy of Agricultural Sciences


Project Cooperators

None


IPNI Staff

Shihua Tu


Location

Asia \ Eastern Asia \ CHN \ Sichuan


Topics

4r rate, balanced nutrition

maize, sweet potato

Nitrogen (N), Phosphorus (P), Potassium (K)