Agriculture - Single MCQs (Page 77)

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Q761. Azotobacter and Rhzobium bacteria are?...Q762. Azolla can fix _____ kg N2/ha/year?...Q763. Who is the Father of the soil testing?...Q764. Available Zn in the soil, can be determined by using the solution of?...Q765. Available potassium of more than 280 kg/ha in soil is considered?...Q766. Available phosphorous of more than 25 kg/ha of soil is considered as?...Q767. Available phosphorous of less than 10 kg/ha of soil is considered as?...Q768. Available nitrogen of less than 280 kg/hectare is considered?...Q769. Available form of phosphorus ions is?...Q770. At 1 x 10-9 H+ concentration, what will be the pH value?...