The use of living organisms&living process in engineering,technology, medicine & other fields come under applicative part of biology.
3.genetically modified crop based agriculture
Research of biotechnology-Down stream process technologies to purify the protein/organic compound.
Similar terms to modern uses –genetic engineering &cell &tissue culture technologies to biotechnology’
Biotechnology has applications in four major industrial areas,health care(medical),crop production &Agriculture,non-food (industrial)& other crops(ex;biodegradable plastic,vegetable oil,bio fuels)&environmental issues.
Application in Agriculture
1.Agro chemical based agriculture
3.genetically engineered crop-based agriculture
Ex;biotechnology application is directly used for manufacture of organic products beer & milk products by organisms.
2.naturally present in bacteria by the mining industry in bioleaching
Biotechnological application in Animal husbandry can lead to new animals with more milk&meat& more offsprings.by genetic technology produce wool.healthy animals&birds with more eggs &healthy meat can be derived.
Also read how DNA fingerprinting works