Percentage of N in Ammonium ritract fertilizer is___________________?
Percentage of N in Ammonium ritract fertilizer is___________________?
A. 21
B. 23
C. 33
D. 39
A. 21
B. 23
C. 33
D. 39
A. 50-60%
B. 70-80%
C. 60-90%
D. 50-70%
A. Cold air cooling
B. Hydro cooling
C. Vacuum cooling
D. None of the above
A. Yield performance
B. Photosynthesis
C. Root length of seedings
D. All the above
A. 0.99
B. 1.0
C. 1.6
A. Sandy
B. Stony
C. Clayey
D. Sitry
A. Smith (1936)
B. Yates (1947)
C. Griffing (1956)
D. Kempt Horne (1957)