
fertilisation P et K
Authored by nicolas qdv
Chemistry, Biology, Science
1st Grade
Used 3+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Avec le phosphore et le potassium, a t'on des risques de lessivages ou de volatilisation ?
OUI
NON
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Le phosphore et le potassium sont :
Très mobile dans le sol
peu mobile dans le sol
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Les pertes de potassium et de phosphore sont principalement du au :
lessivage
à la volatilisation
à l'érosion du sol (ruissellement ou éolienne)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La fertilisation du phosphore et du potassium est réalisée :
pendant la culture
avant la culture
après la culture
les 3 sont possibles
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lorsque la fertilisation du phosphore ou du potassium est réalisé sur la culture, elle doit être apporté :
n'importe ou
au plus proche du rang
sur l'inter-rang
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La fertilisation P&K consiste à :
répondre aux besoins de la plante
à remplir la réserve du sol
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
la fumure de correction correspond à apporter juste les éléments dont la culture à besoin ni plus ni moins
VRAI
FAUX
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