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Potassium dichromate: It is used as an oxidizing agent in the Walkley-Black method, which is commonly used to determine soil organic matter content. Ferrous ammonium sulphate: It acts as a reducing agent in the Walkley-Black method to react with the excess potassium dichromate. Diphenyl amine: It is used as an indicator in the Walkley-Black method to determine the endpoint of the reaction between the oxidizing and reducing agents. Sulphuric acid: It is used as a digestion reagent to facilitate the breakdown of organic matter in the soil sample.
Which of the following pair is not correct?
The inter-row space between two adjacent rows of the base crop in paired row planting is
The ratio of zinc phosphide in poison bait for rats is:
What is the practice of growing ground cover plants closely and trimming them to form designs or alphabetical letters?
The optimum time for sowing of cotton in north India is:
Plants drawing its water supply from near the water table are ______
Electron transport inhibition in PS-II (Photosystem II) for herbicidal action is observed in
According to the State of Forest Report 2021, what is the percentage of mangrove cover in India's total geographical area?
Pushkar is known for the cultivation of -
e-NAM scheme was launched by which ministry?