The Rajasthan is the largest state in the India, with the geographical area of 342 thousand square kilometer. The Rajasthan is situated between 23.30' and 30.12 north latitude and 69.30' and 78.17' east longitude. In the north side there are developed states like Punjab and Haryana. While in the east Uttar Pradesh and in south and South west Madhya Pradesh and Gujrat State are situated. The Aravali mountain ranges extended north to south west divide the State into two opposite and undulated terrains in desert and semi loamy area.
The north-western part of the State, which is 60 percent of the total area is desert or semi-desert and completely dependent rainfall. In this part Shri Ganganagar, Churu. Hanumangarh, Bikaner, Jaisalmer and Jodhpur districts are covered and the average rainfall of this area is 20 to 35 contimeter, the remaining north-western part of this area which cover Jhunjhunu, Sikar, Nagaur , pali and Jalore districts usually received 30-35 centimeter rainfall.
The South-eastern region of the state which is 39 percent of the total area and fertile for crop cultivation. Soil of some part of this are is black or sandy-wan. This area is 10 percent of the total area and couers chittorgarh, Jhalawar, Banswara, Kota and Baran districts rainfall is this part is generally more than 80 centimeters.
Second part of this area that is eastern and southern region, which is 29 perent of the total area. District comes under this region are Ajmer, jaipur, alwar, Bharetpur, Dholpur, Swai Madhopur, Sirohi, Bundi, Tonk, Dungarpur, Udaipur, Bhilwara and Rajsamand . Rainfall in this part ranges from 50 to 80 centimeters.
Establishment of Agriculture Department
As a result of integration of eart while princely States Government of Rajasthan establish the integrated Agriculture department in the year 1949 and further ir expanded in the year 1952. Thereafter apart from production of Agricultural commodities in Agriculture department the department of animal Husbandry was separated from Agriculture department. The department of Agriculture was reconstituted in the year 1955 and department setup come into existence at Division level. Extenion activities for transfer of Agricultural new technology is being done by asstt. Agriculture officers and agriculture supervisors working in Panchyat samities at the field level.
To develop the new technology to assess developed new technology, special cells such as botany, Plant Pathology, Entomology agronomy, Horticulture, Soil chemistry and Agricultural Statistics were formed and Agricultural Research Station and various laboratories were established at Regional.