gh 0.0 / 5 ? ChemistryOrganic and Green ChemistryGCSEOCR Created by: LillyCreated on: 19-11-14 19:41 What are the views of intensive farming? Intensive farming methods may be efficient but they raise ethical dilemmas 1 of 6 Explain how intensive food production improves the efficiency of energy transfer by reducing energy transfer: Organic farming does not use artificial fertilisers or pesticides 2 of 6 What does organic farming NOT do? Organic farming does not use artificial fertilisers or pesticides 3 of 6 Describe organic farming techniques: * Use of animal manure and compost *Crop rotation including use of nitrogen-fixing crops *Weeding *Varying seed planting times. 4 of 6 What is biological control? Biological control is the use of predators to reduce populations of pests 5 of 6 What are the disadvantages of Biological Control? •Predator may not eat pest but may eat useful species. • Predator population may increase out of control or move from the area in which it is needed. 6 of 6
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