| the historical perspective of dryland agriculture: lessons learned from 10,000 years of wheat cultivation. | wheat is one of the founder crops of western agriculture. this study reconstructs agronomic conditions, potential yields, and kernel weight in the beginnings of cultivation of domesticated free-threshing wheat, c. 8000 bc. the carbon and nitrogen stable isotope compositions and the dimensions of fossil grains of naked wheat (triticum aestivum/durum) were analysed. samples were collected in tell halula and akarçay tepe, two neolithic archaeological sites from the middle euphrates (the claimed cor ... | 2007 | 17050642 |