Wheat (Triticum aestivum L.) grain filling and dry matter partitioning responses to source:sink modifications under postanthesis water and nitrogen deficiency - DOI: 10.4025/actasciagron.v32i1.6273. Acta Sci. Agron. 2009;32(1):145-151. doi:10.4025/actasciagron.v32i1.6273