Improvement in food resources

123456
Across
  1. 4. a farming system with minimal or no use of chemicals
  2. 5. refers to crossing between genetically dissimilar plants
  3. 6. its addition helps to enhance soil nutrients, organic matter and soil fertility
Down
  1. 1. growing two or more crops simultaneously on the same field in a definite pattern
  2. 2. nutrients required in large quantities
  3. 3. compost prepared with the help of earthworms