soil
time for harvesting
plant's body
irrigation
nutrients
100
sandy, silt, clay
3 types of soil
100
it can be hardly divided and we can not leave a fingerprint
how does barley look when it is ready for harvesting?
100
the cell nucleus, cellular vacuole, cell wall, plasma membrane, mitochondria, chloroplast
What are the component of the plant cell?
100
when all the available water is used
What is the die down limit?
100
nitrogen
which is the nutrient that we can find both in the soil and air?
200
clay
What kind of soil retain water very well?
200
is hard and black, the pod is dried
how we know that the rape is ready for harvesting?
200
tufted root and tap root
name 2 types of roots
200
the maximum level of water that the soil can be full with
What is the field capacity?
200
summer and spring
When is the best time for nitrification?
300
sandy
What kind of soil drains the water very fast?
300
rape and sun/flower
name 2 plants that we use to make oil
300
transports the water up in all the plant
What is the function of xylem?
300
when the soil is total full with water and the free water will drain off
What is waterlogging?
300
2000 kg
How much phosphorus we can find in soil per ha?
400
the particle of the soil smaller than 2 um
What is a colloid?
400
under 15 %
Which is the best level of water for storage grains?
400
transports the sugar and organic material up and down in the plant
What is the function of phloem?
400
when plants are stressed and drought affected
When is the plant evaporation reduced?
400
between 20-40 kg
how much P the plant use in a year?
500
under 2 um
How much mesure the clay particle?
500
it has a dark colour, smells bad and make mold
How does the grain look when has too much water in storage?
500
translocation
how you call the process of transpoting the sugar up and down in all parts of the plant?
500
the tool that we use to see the level of water from the soil
What is the tensiometer
500
NH4+
What is the formula for ammonium?
M
e
n
u