Given that Ammonium sulphate contains 20% nitrogen, it means that in one ton (1000 kg) of Ammonium sulphate, there are 200 kg of nitrogen (1000 kg * 20% = 200 kg). To calculate the cost per unit of nitrogen, we divide the total cost (Rs 640) by the quantity of nitrogen (200 kg): Cost per unit of nitrogen = Rs 640 / 200 kg = Rs 3.2/kg N Therefore, the correct answer is (b) Rs 3.2/kg N.
Safe moisture content for storage of cereal grains is
The concept of extension education process was given by ______.
Hydrolytic rancidity is caused by action of
What is the Assistance for tube well/bore under RAD
Which stage starts when AP and MP intersect each other and E is equal to 1?
Site for protein synthesis is _______
Persons who expect the prices will go down in future are:
The Khaira disease of rice may be controlled by spraying a mixture of:
Which of the following is an example of sorosis type of fruit
Litchi mite is controlled by:
