Question 761 Azotobacter and Rhzobium bacteria are? A) Antibiotic producers B) Nitrogen fixers C) Plant pathogens D) Animal Pathogens No Details
Question 763 Who is the Father of the soil testing? A) S. Larsen B) M.L.Jackson C) M.L. Troug D) None of the above No Details
Question 764 Available Zn in the soil, can be determined by using the solution of? A) 1 N NH4 OAC B) DTPA + CaCl2 (pH 7.3) C) EDTA + (NH4)2 CO7 D) All of these No Details
Question 765 Available potassium of more than 280 kg/ha in soil is considered? A) Low B) Medium C) High D) Trace No Details
Question 766 Available phosphorous of more than 25 kg/ha of soil is considered as? A) Low B) Medium C) High D) Trace No Details
Question 767 Available phosphorous of less than 10 kg/ha of soil is considered as? A) Low B) Medium C) High D) Trace No Details
Question 768 Available nitrogen of less than 280 kg/hectare is considered? A) Low B) Medium C) High D) Trace No Details
Question 769 Available form of phosphorus ions is? A) Phosphoric B) Phosphorous chloride C) Phosphorous D) Photphorous nitrate No Details
Question 770 At 1 x 10-9 H+ concentration, what will be the pH value? A) 5 B) 10 C) 9 D) 6 No Details