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Credit for identifying the essentality of nitrogen to plants goes to______ ?
A. Shafiq Baloch at.el
B. Sach and knoop
C. Theodore-saussure
D. Dr.Muhammad SharifWhat kind of nitrogenous (N) fertilizers should not be used for flooded soil ?
A. Nitrate
B. Ammonical-nitrate
C. Ammonical
D. Both B & C1 meq of HCl is equal to _____ ?
A. 0.14 mg of N
B. 140 mg of N
C. 1.4 mg of N
D. 14 mg of NLoss of nitrogen in the form of NH3 in alkaline medium is known as ______ ?
A. Volatilization
B. Denitrification
C. Leaching
D. None of themAppropriate method to apply phosphatic fertilizers is ______ ?
A. Broad casting
B. Basal placement
C. Top dressing
D. None of themOrganic (O) horizon is absent in ______ ?
A. Histosols
B. Arable soils
C. Mollisols
D. None of themWhat is Vesicular Arbuscular Mycorrhiza (VAM) ?
A. Fungi
B. Bacteria
C. a and b
D. None of themVery high temperatures required for ICP-AES are attained by ____ ?
A. Carbon
B. Quartz
C. Plasma
D. None of themExposure of the manures to rains causes highest loss of ____ ?
A. P
B. Cl
C. Cu
D. NIn cotton, zn deficiency is known as _____ ?
A. Mottle leaf
B. Little leaf
C. Fern leaf
D. None of them