Agricultural Technology. Some historians have called the diffusion of new crops and agricultural methods to the West through Muslim Spain an agricultural revolution because they had a major impact not only on agricultural production but also on incomes, population levels, urban growth, distribution of labor, industrial output, clothing, cooking, and diet. Moreover, agricultural technologies Muslims took to Spain eventually reached the New World. As many as 40 percent of the Spanish immigrants to South and Central America between 1493 and 1600 were from Andalusia (Muslim Spain), and they took with them their crops and irrigation technology. The most important of these crops were sukker (sugar) and qutn (cotton), which became two of the most prominent "cash crops" in the world during the late Middle Ages and the Renaissance. (Cotton may have been taken to the Americas from Asia in antiquity, or there may...