Use the SPAD-502 chlorophyll meter to rapid, on-farm analysis crop chlorophyll status and nitrogen fertilizerrecommendation.
利用叶绿素仪SPAD - 502进行田间快速测定,并对作物进行氮肥推荐。
2
The effect on potato yield and growth characteristics of different fertilization formulas were studied for understanding the effect of soil testing and fertilizerrecommendation in potato.
为了解马铃薯测土配方施肥的效果,研究了不同施肥配方对马铃薯生长性状和产量的影响。
3
Based on field fertilizer experiment of cotton under drip irrigation in the area, cotton nitrogen diagnosis and nitrogen fertilizerrecommendation with soil inorganic nitrogen quick test was st.