Is magnesium an ingredient part?
(A) Polyarabosomes
(B) chromosome
(C) foliage
(D) All these
Which form of nitrogen fertilizer will be preferred for paddy and potato?
(A) Nitrate
(B) Ammonia
(C) nitrite
(D) None of these
What is the maximum concentration limit of urea for spraying?
(A) 6%
(B) 8%
(C) 4%
(D) No such limit
What will be the thermal conductivity of heavy soils with high organic content?
(A) less
(B) more
(C) No relation
(D) None of these
Which of the following is 'V.A.M.' (VAM) is fungus?
(A) Glomus species
(B) Fusarium species
(C) Rhizoctonia species
(D) Pythium species
Potato canker has black canker and black pan / colloid factor?
(A) two fungi
(B) A fungus and a bacterium
(C) a fungus
(D) A fungus and a virus
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