How are roots and leaves adapted to their functions Crop Farming How are roots and leaves adapted to their functions

Learning Objectives Describe how farmers use scientific advantages to produces as much biomass as possible Biomass Overall weight of produced biological substances E.g. how much grain produced

Increasing your yield Ways to go from this to this

This to this

Main Point We need to make more glucose and starch This happens from photosynthesis So anything which slows this down has to be removed.

Testing for Glucose We can test for starch using iodine. Use this sheet in your packs to complete the experiment.

Results: Copy into your book Leaf Type Observation Kept in dark Kept in light Explain why this happened in your books too.

What things could stop photosynthesis. (e. g What things could stop photosynthesis? (e.g. plants from growing so large?) Reason Why it stops plant growing? How could you help this situation?

We can add thing to Crops We can add fertilisers These help crops grow We can add pesticides These kill bugs which may eat the plant We can add herbicides These kill weeds that would compete with our plant

Plant Varieties We could also breed together plants so their seeds are more successful E.g. They could have bigger seeds.

Homework: Debate Preparation 2 Finding arguments Look at the research you did in week 1 Swap ideas for someone else What counter arguments could you give for their research (E.g. argument: We need more food Counter argument : No we just need to share it properly as a lot is wasted)

Learning Objectives Describe how farmers use scientific advantages to produces as much biomass as possible Biomass Overall weight of produced biological substances E.g. how much grain produced

Complete the Crossword