1 Subjects: “...water saving...”

2 Subjects: “...water-saving appliances...”

3 Subjects: “...water saving...”

4 Subjects: “...water-saving irrigation...”

5 Subjects: “...water-saving level...”

6 Subjects: “...agronomic measures to water saving...”

7 Subjects: “...water saving...”

8 Subjects: “...water-saving agriculture...”

9 Subjects: “...water-saving potential...”

10 Subjects: “...water-saving...”

11 Subjects: “...water saving...”

12 Subjects: “...water saving potential...”

13 Subjects: “...water-saving irrigation development level...”