1 Subjects: “...long-term monitoring benefits...”

2 Subjects: “...nonenergy benefits...”

3 Subjects: “...productivity benefits...”

4 Subjects: “...benefits...”

5 Subjects: “...socio-economics benefits...”

6 Subjects: “...low carbon benefits...”

7 Subjects: “...cost-benefit...”

8 Subjects: “...economic benefit evaluation...”

9 Subjects: “...nitrogen fertilizer economic benefit...”

10 Subjects: “...economic benefit...”

11 Subjects: “...cost benefit analysis...”

12 Subjects: “...benefit-cost ratio...”

13 Subjects: “...economic benefit...”

14 Subjects: “...cost-benefit analysis...”

15 Subjects: “...cost-benefit analysis...”

16 Subjects: “...economic benefit...”

17 Subjects: “...cost-benefit analysis...”