Show:
MACRO / MICRO
TAKEN UP AS...
THE NAME OF THE ION
SOIL
CHANCE
100
Name of H? And is it super, macro or micro?
Hydrogen (brint) Super
100
Kalium is taken up as?
K+
100
The name of the ion: Mg++
Magnesium-ion
100
Small particles which bind the positive ions?
kolloids (clay-kolloids and humus-kolloids)
100
When there are many H+ pH is......?
Low
200
Name of Zn? And is it super, macro or micro?
Zink Micro
200
Nikkel is taken up as?
Ni++
200
The name of the ion: NO3-
nitrat-ion
200
The best soil-structure?
Krumme-struktur
200
What does Lt tell you something about?
The concentration of fertilizer
300
Name of P? And is it super, macro or micro?
Fosfor Macro
300
Svovl is taken up as?
SO4--
300
The name of the ion: NH4+
Ammonium-ion
300
Which minerals are smallest: stone, silt, gravel (= grus), clay or sand?
Clay
300
What are the normal values for pH and Lt?
pH = 5,5 - 6,5 Lt = 1,5 - 2,5
400
Name of Mo? And is it super, macro or micro?
Molybdæn Micro
400
Nitrogen (kvælstof) is taken up as?
NO3- or NH4+
400
The name of the ion: H2PO4-
di-hydrogen-fosfat-ion
400
What du you find in the smallest pores in the soil?
unavailable water (= water that the plants cannot take up)
400
Why are there more nutrients in a clay-soil than in a sand-soil?
The clay-soil contains kolloids that can bind the positive nutrients.
500
Name of Mn? And is it super, macro or micro?
Mangan Micro
500
Fosfor is taken up as?
H2PO4-; HPO4-- or PO4---
500
The name of the ion: MoO4--
molybdat-ion
500
What is humus?
Decomposed plant-material.
500
Describe the symbiosis between a bean-plant and bacteria on the roots:
The bacteria can bind N2 from the air. They give aminoacids containing the N to the plant. The plant gives glucose from fotosyntese to the bacteria.