Validation Studies for Fertilizer Recommendations Made by Nutrient Expert in Yunnan

Three field experiments were carried out to validate Nutrient Expert® (NE)-based fertilizer recommendations for maize in Yunnan Province. The experiments were conducted at three locations with different soil fertility levels ranging from low to high. The experiments consisted of seven treatments, viz. , optimal treatment (OPT) generated by NE, omitting N (OPT-N), omitting P (OPT-P), omitting K (OPT-K), check (no fertilizer), farmers’ practice (FP) and soil test-based recommendation (OPTS). Read more

---

Year of initiation:2013

Year of completion:2013

Map:

---

Interpretive Summary

2013

Three field experiments were carried out to validate Nutrient Expert® (NE)-based fertilizer recommendations for maize in Yunnan Province. The experiments were conducted at three locations with different soil fertility levels ranging from low to high. The experiments consisted of seven treatments, viz. , optimal treatment (OPT) generated by NE, omitting N (OPT-N), omitting P (OPT-P), omitting K (OPT-K), check (no fertilizer), farmers’ practice (FP) and soil test-based recommendation (OPTS).

---