Fill in the blanks:
$(a)$ Photoperiod affects the . . . . . . .
$(b)$ Kharif crops are cultivated from . . . . . . to . . . . . . .
$(c)$ Rabi crops are cultivated from . . . . . . to . . . . . . .
$(d)$ Paddy,maize,green gram,and black gram are . . . . . . crops.
$(e)$ Wheat,gram,pea,and mustard are . . . . . . crops.

Name two types of animal feed and write their functions.

How do Sunhemp or guar help in crop production management? How is it better than fertilizers?

$(i)$ Mr. Ramdin,an educated farmer,convinces his friends to use fertilizers judiciously. Why?
$(ii)$ Which two values of Ramdin impress you?

Poultry farming is undertaken to raise the following:
$(i)$ Egg production
$(ii)$ Feather production
$(iii)$ Chicken meat
$(iv)$ Milk production

$A$ farmer had a plot just beside the bank of a river. Each time he planted $Kharif$ crops,the crops got damaged due to floods. He consulted an agricultural scientist who gave him a special variety of seeds and also advised him to practice fish farming.
$(a)$ What was the specialty of these seed grains?
$(b)$ What name can be given to this type of fish farming?