Origin : Agriculture word is derived from Latin word “Agricultūra” basically Agricultūra is divided into two Latin word “Ager and Cultūra” Ager mean field or Land and Cultūra mean growing or cultivation. Defination: The science, art, or practice of cultivating the soil, producing crops, and raising livestock and in varying degrees the preparation and marketing of the resulting products cleared the land to use it for agriculture. John Salazar (former US Commissioner of agriculture department) said : There is only one thing that can bring our nation down our dependence on foreign countries for food and energy. Agriculture is the backbone of our economy” So, Agriculture is Primary sector of economy introduction: Agriculture is the cultivation and breeding of animals, plants and fungi for food, fiber, biofuel, medicinal plants and other products used to sustain and enhance human life. Agriculture was the key development in the rise of sedentary human civilization, whereby farming of domesticated species created food surpluses that nurtured the development of civilization. The study of agriculture is known as agricultural science. clasification: food crop cash crop Pulses fruits Contribution of crops to Pakistan economy: about rs.505,000 million by major crop in 2005 with 55%growth since 2000 RS.185,000million by Minor crops in 2005 with 41 growth since 2000 total agriculture sector is Rs 288 billion include food grains ,vegetables, fruits, food grains, vegetables, fruit .tobaco,fisheries,products spices ,livestock Major problem of agriculture sector in Pakistan. Techno-economic problems Natural problems Socio-Economic problem Financial problem