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Chapter 14

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Total cards: 12•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (12)

#1
Front (Question)

use of fertilizers in agriculture

Back (Answer)

• replace inorganic nutrients removed by plants - do not replace organic matter

#2
Front (Question)

plants require (2)

Back (Answer)

• macronutrients 2. micronutrients

#3
Front (Question)

macronutrients

Back (Answer)

• large quantities • nitrogen • phosphorus • potassium

#4
Front (Question)

micronutrients

Back (Answer)

• small quantities • boron • zinc • manganese and others • just as important, just dont need as much of it

#5
Front (Question)

N:P:K ratios

Back (Answer)

N=nitrogen P=phosphorus K=potassium

#6
Front (Question)

impacts of fertilizer use (2)

Back (Answer)

• runoff into waterways • stimulates growth of algae • oxygen level in water goes way down • impacts aquatic organisms • creates “dead zones”

#7
Front (Question)

pesticides

Back (Answer)

chemicals used to kill or control the population of unwanted fungi, animals, or plants (pests)

#8
Front (Question)

persistent pesticides (example)

Back (Answer)

• pesticides that last over a long period of time - DDT = extremely persistent

#9
Front (Question)

problems with pesticide use (6)

Back (Answer)

• persistence • bioaccumulation • biomagnification • development of pesticide resistance • effects on nontarget organisms • human health concerns

#10
Front (Question)

bioaccumulation

Back (Answer)

nontarget organisms accumulate pesticides in body fat

#11
Front (Question)

biomagnification

Back (Answer)

pesticide increases in concentrations as you move up the food chain

#12
Front (Question)

human health concerns (5)

Back (Answer)

• death/illness • long term impacts • mental development • cancer • reproductive