1 Subjects: “...specific energy...”

2 Subjects: “...substrate specificity...”

3 Subjects: “...substrate specificity...”

4 Subjects: “...site-specific fertilizer spray...”

5 Subjects: “...site-specific fertilizer spray...”

6 Subjects: “...specific root length...”

7 Subjects: “...specific root length...”

8 Subjects: “...specific root length...”