Across
- 4. Alkaline pH ajuster
- 6. Sometimes referred to as a "soil knife" or a "weeding knife", is a heavy serrated multi-purpose steel blade for gardening jobs such as digging or cutting
- 7. A crop grown for the protection and enrichment of the soil
- 8. Better for weeding than a traditional hoe
- 9. Major component in chlorophyll and amino acids
- 11. Organic compound with acidic properties. The most common ones are the carboxylic acids, whose acidity is associated with their carboxyl group –COOH
- 13. Measures acidity or alkalinity
- 14. Potential of hydrogen
- 15. A simple organic compound containing both a carboxyl and an amino group
- 16. ex.) alfalfa, clover, peas, beans, chickpeas, lentils, lupin bean, mesquite, carob, soybeans, peanuts and tamarind
- 18. of or denoting the acid radical —COOH, present in most organic acids
Down
- 1. This is responsible for holding together the cell walls of plants
- 2. Plants must have this for normal growth and maturity; plays a role in photosynthesis, respiration, energy storage and transfer, cell division, cell enlargement and several other processes
- 3. Parts per million
- 5. The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water
- 6. A long-handled gardening tool with a thin metal blade, used mainly for weeding and breaking up soil
- 10. Is needed in photosynthesis; regulates plant CO2 intake
- 12. A green pigment, present in all green plants, responsible for the absorption of light to provide energy for photosynthesis
- 14. Acid pH ajuster
- 17. Any of the minute pores in the leaf or stem of a plant