Which one is an oil-yielding plant among the following?

The figure shows two crop fields [Plots $A$ and $B$] that have been treated with manures and chemical fertilizers,respectively,while keeping other environmental factors constant. Observe the graph and answer the following questions.
$(i)$ Why does plot $B$ show a sudden increase and then a gradual decrease in yield?
$(ii)$ Why is the highest peak in the plot $A$ graph slightly delayed?
$(iii)$ What is the reason for the different patterns of the two graphs?

Name the type of nutrient that we get from mustard seeds and linseed.

Define hybridisation. List its any two advantages.

Fertilizers have short-term benefits whereas manures have long-term benefits. Do you agree with this statement? Give three reasons in support of your answer.

What are those crops called which are grown in the rainy season?