nutrients needed by plants

Question 1

what are the major nutrients

Answer 1

carbon hydrogen calcium oxygen nitrogen iron phosphorus sulfur magnesium potassium

Question 2

what are the minor nutrients

Answer 2

boron copper molybdenum chlorine zinc aluminum sodium silicon manganese cobalt

Question 3

nitrogen

Answer 3

contained in proteins
poor growth yellow leaves
chlorosis

Question 4

phosphorus

Answer 4

contained in important chemicals
needed on enzyme systems
poor growth and leaves a dull green with curly brown edges

Question 5

potassium

Answer 5

increases hardness
control rates of respiration and photosynthesis
yellow edges to leaves and die early

Question 6

sulphur

Answer 6

contained in proteins
yellow leaves

Question 7

calcium

Answer 7

needed for cell formation
material between cell wallls
poor buds and stunted growth

Question 8

magnesium

Answer 8

contained in chlorophyll
yellow leaves

Question 9

iron

Answer 9

needed for chlorophyll formation
yellow leaves

Question 10

molybdenum

Answer 10

trace element in legume as a catalyst it assists bacteria fixing nitrogen

Question 11

where do plants obtain carbon and oxygen from

Answer 11

air

Question 12

where do plants obtain hydrogen from

Answer 12

water in soil through roots

Question 13

where are the other elements absorbed from

Answer 13

roots from soil in mineral salts

Question 14

how are the trace or minor elements obtained

Answer 14

in form of mineral salts from soil absorbed through the roots

Question 15

what does a deficiency of any of the trace elements result in

Answer 15

poor growth

Question 16

what does an excess of trace element result in

Answer 16

damaging effect on plant