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02 plants and us
- 1. PLANTS & US
- 2. Identify this plant: PLANTS & US
- 4. Coffee is the second most-valuable-traded commodity in the world (second only to petroleum) Its demand has resulted in the mass development of coffee plantations . PLANTS & US
- 6. Pest control: Mechanical control -physically trapping pests PEST CONTROL PLANTS & US
- 7. Pest control: Crop rotation and mixed planting -When farmers do not grow monocultures in the same location year after year, pest populations do not have the same opportunities to establish and prosper PEST CONTROL PLANTS & US
- 8. Pest control: Crop rotation and mixed planting PEST CONTROL PLANTS & US
- 9. Pest control: Biological control -Predatory insects, mites, and disease-causing micro-organisms prey on and infect pest species (i.e. parasitic wasps and lady bugs) PEST CONTROL PLANTS & US
- 10. Pest control: Baiting pest -Pheromone baits can be used to confuse mating insects -can be used for trapping too PEST CONTROL PLANTS & US
- 11. Pest control: Chemical control - Using chemicals (i.e. pesticides) to remove pests PEST CONTROL PLANTS & US
- 12. Pest control: Chemical control - Pesticides -Can be dangerous to non-pest organisms (including beneficial organisms) and humans -Overuse or improper use can lead to pesticide resistance PEST CONTROL PLANTS & US
- 14. Advantages: - No soil is needed -The water stays in the system and can be reused - thus, lower water costs -It is possible to control the nutrition levels in their entirety- thus, lower nutrition costs -Stable and high yields - Pests and diseases are easier to eliminate than in soil because of the container's mobility PEST CONTROL PLANTS & US
- 17. To maximize crop yields, farmers often rely on fertilizers. Fertilizers -supply plants with nutrients -focuses on 3 macronutrients for plants: Nitrogen (N) Phosphorus (P) Potassium (K) Fertilizers PLANTS & US
- 18. Fertilizers -the overuse of fertilizers can result in the drying of roots and damage to the plant -plants that have received too much fertilizer exhibit “ fertilizer burn ” Fertilizers PLANTS & US
Hinweis der Redaktion
- http://www.youtube.com/watch?v=rLtUk-W5Gpk&feature=related http://www.youtube.com/watch?v=vMG-LWyNcAs&feature=channel
- http://www.youtube.com/user/NationalGeographic#p/search/3/m2H-uTg51_c
- http://www.youtube.com/watch?v=HvZJqWSdMMk http://www.youtube.com/watch?v=Ze8NV7cvW8k
- http://www.youtube.com/watch?v=I7TmX0rrNRM
- http://www.youtube.com/watch?v=H9MV5CgPgIQ http://www.youtube.com/watch?v=UCUtpmwacoE&NR=1
- http://www.youtube.com/watch?v=H9MV5CgPgIQ http://www.youtube.com/watch?v=UCUtpmwacoE&NR=1