Crop rotation British Agricultural Revolution. The rotation between arable and ley is sometimes called ley farming. George Washington Carver (1860s–1943) studied crop-rotation methods in the United States, teaching southern farmers to rotate soil-depleting crops like cotton with soil-enriching crops like peanuts and peas. In the Green Revolution of the mid-20th century the traditional practice of crop rotation gave way in some parts of the world to the practice of supplementing the chemical inputs to the soil through topdressing with fertilizers, adding (for example) ammonium nitrate or urea and restoring soil pH with lime. Such practices aimed to increase yields, to prepare soil
Yeşilçay Drinking Water Plant Yeşilçay Drinking Water Plant Yeşilçay Drinking Water Plant is a plant used to supply drinking water to İstanbul, Turkey. The total population of İstanbul is 13 483 052 (as of 2011) which makes İstanbul one of the most populous cities of the world. The rate of annual increase is about 3.45% and the water demand is increasing asymptotically. So one of the most important problems of the municipality is to meet the demand. Yeşilçay is a river at about east of Anatolian quarters of İstanbul. The headwaters are on the mountainous area of the Kocaeli Peninsula and the river flows