1 Subjects: “...energy crops...”

2 Subjects: “...crop residue...”

3 Subjects: “...crop Monitoring...”

4 Subjects: “...crop production...”

5 Subjects: “...triple-rice cropping system...”

6 Subjects: “...forage crops...”

7 Subjects: “...mixed cropping...”

8 Subjects: “...crops...”

9 Subjects: “...crop production...”

10 Subjects: “...crop defense...”

11 “... resources. Several different factors, including: (a) excessive tillage; (b) inappropriate crop rotations; (c...”

12 “... adversely affects drinking water supplies, livestock watering, crop yields, aquaculture, etc. Thus...”