Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/8

Click to flip

8 Cards in this Set

  • Front
  • Back

Front (Term)


Arguments for Gm crops

Back (Definition)


Increase yield


Could solve food shortages


Improve diets in LEDCS

Front (Term)


Disadvantages of Gm crops

Back (Definition)


Could pass on antibiotic resistance to humans


Might pollenate nearby weeds


Long term unknown causes

Front (Term)


4 types of high technology approaches

Back (Definition)


Integrated pest management


Irrigation


Micro-propagation


Growth hormones

Integrated pest management details

1990- was used in Pennsylvania, pheromone traps on indexers reduced pests by 50% saving garners $20 million per year

Irrigation- new method....?

Drip irrigation- deliver water at root zone so evaporation and runoff is minimised= Efficient

Micro propagation- what it is, for and against arguments

Involves using tissue culture to allow rapid multiplications of plant lets


Advantages- quick, disease free, quick turnover


Disadvantages- expensive process, infections can spread easily

Growth hormones

Banned in the EU, steroid hormones injected into need to improve weight gain, feed conversion and carcass quality

Infrared technology- Kenya

Land on lake Victoria- poor soil


Shine a light in sample, collect wavelengths and can create a digital scan determined soil type and composition. Offers raid analysis and can allow restoration- specialist fertilisers