1. Rajasthan's agriculture is divided into 10 parts on the basis of crop climate zone.

2. In terms of area, the largest agro-climatic zone of Rajasthan is I-C (extremely dry partially irrigated zone).

3. Rajasthan's smallest agricultural crop in terms of area is climate zone IV-B.

4. On the basis of agricultural area, the largest agricultural crop in Rajasthan is climate zone III-B.

1. The longest period of light in Rajasthan is on 21st June. On this day the sun's rays fall vertically over Rajasthan.

2. This day is called the summer solstice, which is the longest day of the summer season.

1. The state tree of Rajasthan is Khejri. This tree is found in about two-thirds of the total geographical area of the state and has great importance culturally and economically.

2. The scientific name of Khejri is Prosopis cinerea. It is a drought-tolerant tree that can survive even in areas with low rainfall. This tree is found in desert areas and is found in abundance in the Thar Desert of Rajasthan.