Differentiate between manures and fertilizers.

While studying about irrigation in her textbook,Bhanika read that proper irrigation is very important for the success of crops. Ensuring that the crops get water at the right stages during their growing season can increase the expected yields of any crop. She then thought about how irrigation is necessary in daily life,and considered sources like wells,rivers,and tanks as irrigation systems. She also shared this knowledge about irrigation systems with her friends.
$(a)$ According to you,what kind of qualities are seen in Bhanika?
$(b)$ Explain how rivers are an effective irrigation system.

Unpredictable monsoon,droughts,and low rainfall are adversely affecting Indian agriculture.
$(a)$ Mention any two initiatives that have been adopted to increase the availability of water for agricultural purposes.
$(b)$ State two advantages of making check dams.
$(c)$ Briefly describe the canal and river lift systems of irrigation.

$(a)$ $A$ farmer wants to harvest more than two varieties at a time from his crop field. He has no idea about the cropping patterns. Suggest one method to get the desired result. Also,state three advantages of this cropping pattern.
$(b)$ Name any two fodder crops.

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

Why are manure and fertilizers used in fields?