<P> Some claim Indian agriculture began by 9000 BC as a result of early cultivation of plants, and domestication of crops and animals . Settled life soon followed with implements and techniques being developed for agriculture . Double monsoons led to two harvests being reaped in one year . Indian products soon reached trading networks and foreign crops were introduced . Plants and animals--considered essential to survival by the Indians--came to be worshiped and venerated . </P> <P> The middle ages saw irrigation channels reach a new level of sophistication, and Indian crops affected the economies of other regions of the world under Islamic patronage . Land and water management systems were developed with an aim of providing uniform growth . </P> <P> Despite some stagnation during the later modern era the independent Republic of India was able to develop a comprehensive agricultural programme . </P> <P> Over 2500 years ago, Indian farmers had discovered and begun farming many spices and sugarcane . It was in India, between the sixth and four BC, that the Persians, followed by the Greeks, discovered the famous "reeds that produce honey without bees" being grown . These were locally called साखर, (Sākhara). On their return journey, the Macedonian soldiers carried the "honey bearing reeds," thus spreading sugar and sugarcane agriculture . People in India had invented, by about 500 BC, the process to produce sugar crystals . In the local language, these crystals were called khanda (खण्ड), which is the source of the word candy . </P>

Which state has the highest agricultural production in india