1 Subjects: “...water and salt balance...”

2 Subjects: “...Balancing urban and rural land development...”

3 Subjects: “...water balance partitioning...”

4 Subjects: “...redox balance...”

5 Subjects: “...nitrogen balance...”

6 Subjects: “...nutrient balance...”

7 Subjects: “...balanced use of fertilizers...”

8 Subjects: “...N balance...”

9 Subjects: “...global carbon balance...”

10 Subjects: “...harmonic balance method...”

11 Subjects: “...water balance...”