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Samenvatting Bodemkunde en bemestingsleer

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Samenvatting bodemkunde en bemestingsleer Dierenzorg eerste jaar tweede semester

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  • June 8, 2023
  • 79
  • 2022/2023
  • Summary
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Bodemkunde en bemestingsleer
Inleiding bodemkunde




1.
Ecosysteemdiensten




2. Definitie bodem


=de bovenste laag van de aardkortst, namelijkde laag die door planten beworteld wordt


ofwaarin zich bodemvormende processen afspelen


standplaats voor vegetatie

3 raakvlak
tussen lithosfeer, atmosheer, hydrosteerd biosfeer

4
bodemkunde/pedologie

,3. Samenstelling bodem


-Bodemstructuur goed
:
tussen
evenwicht



vaste fractie en poriën (water-lucht)





porie
minerale
fractie
vaste
fractie


organische
fractie




-Bodemtextuur relatief
=

aandeel van klassen van de grondkorreltjes




4. Bodemvruchtbaarheid


-bepaald opname water, voedingsstoffen a zuurstof door planten

-

ath van chemische fysische biologische factoren




Inleiding bemestingsleer




1.
bemesting

=economisch (ecologisch verantwoord aanvoeren van plantenvoedingsstoffen en/ofhet


verbeteren in
of stand houden van de bodemeigenschappen

voedingselementen
-




4 N, P, K, S, Ca, Mg

3
Fe, Mn, In, Cr, MO, C1, B, ...

,2. Soorten meststoffen


Organische meststoffen:

-


wit organisch materiaal:mest, plantenresten, ect.



leveren nutriënten
-


C humus


-directplantopneembaar=> niet
100% werkzaam



-bemestingswaarde obv analyse of forfait werkingscoëfficient



Kunstmeststoffen:


-uit
minbouw en/ofchemische industrie


-100% plantopneembaar 100; werkzaam
=




samenstelling goed gekend Stuurbaar
-


a



-


vitgedruktin % N




Bodemstaal tot
bemesting




1. Staalname

-2
typen analysen

4 Standaard grond analyse

4 Minerale Stikstofanalyse

-Bemonsteringstype afh. van teelt

, 2.
Analyse




3
Bodemtextuur


bodembewerkbaarheid
·




~poriënvolume

·

Bodemopwarming

·
CEC Klei-humus
=
-

complex


Mogelijke
·
teelten

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