1 Subjects: “...durum wheat...”

2 Subjects: “...durum wheat...”

3 Subjects: “...wheat-corn...”

4 Subjects: “...wheat-corn...”

5 Subjects: “...wheat...”

6 Subjects: “...rice-wheat cropping system...”

7 Subjects: “...winter wheat yield...”

8 Subjects: “...wheat...”

9 Subjects: “...wheat...”