Question
What will be the cropping intensity of maize + urdbean -
wheat rotation on 2 ha area?ÂSolution
the net cultivated area = 3 ha Cropped area under maize + urd bean = 3 ha Cropped area under wheat = 3 ha Total cropped area = 3+3 = 6 ha Cropping intensity = 6/3 × 100 = 200%
Which of the following rock is not sedimentary rock?
Which of the following is NOT an isotope of oxygen?
Sphalerite is an ore/mineral of -
Potassium Permanganate is used for purifying drinking water, because it –Â
Which of the following is the best sources for Vitamin D are –
What is the chemical formula for soda ash?
Which of the following is NOT a base?
As an air bubble rises from the bottom of a lake to the surface, it will:
Ultra-purification of metals is achieved using:
What property is shared by isotopes of an element?Â