for how long have we had artificial fertilizers
about 100 years
for how long have natural fertilizers existed for
400 million + years (about the lifespan of 26666666.6667 Emu lifespans)
are fertilizers good?
yes
minerals are collected by the ____ and is transported
(part of a plant)
root
free 100 points
(I ran out of questions)
farmers control the amount of _____ being added to the soil when using artificial fertilizers
nitrate
Is magnesium present in natural fertilizers?
yes it is present in most natural fertilizers
plants need minerals to _________ healthy growth and life ___________
1)Maintain
2)processes
Xylem tissue
wheat is a what crop of the world?
wheat is a staple crop of the world
____________ tones of nitrate fertilizers have been produced
120 million tones
are nitrates present in natural fertilizers
no it isn't present in natural fertilizers
what is the use of magnesium?
required for chlorophyll production
examples of organic fertilizer list atleast 2 from the PPt and the Textbook
Manure , Decomposed , compost from decomposed plant matter
what symptoms show us whether is a plant is suffering from a Magnesium?
leaves turn pale or yellow
______ acts as a nitrate rich fertilizer
Ammonia acts as a nitrate rich fertilizer
cons of natural fertilizer(according to the textbook and PPT)
high cost and difficult to control the minerals going into the soil
what is the use of nitrates?
protein building blocks and new tissue growth
Fritz Haber produced Ammonia using ________ found in the _________
1)Nitrogen
2)air
what symptoms show us whether or not a plant is suffering from a nitrate fertilizer
poor growth , and older leaves turn yellow
which scientist developed nitrate fertilizers and which figured out how to mass produce it?
developed it : Fritz Haber
mass production : Carl Bosch
average price of natural fertilizer (rupees per kg)
8 - 70 rupees per kilogram
define fertilizer
a substance that replaces nitrates and other minerals in the soil
what was the problem with Fritz Habers method of production
It only produced small amounts of fertilizer
when were artificial fertilizers invented
early 20th century