La densité moyenne optimale de semis du maïs est de ........................... graines /ha.
BPAE1 Semis de maïs et betterave sucrière

Quiz
•
Biology, Science
•
1st - 5th Grade
•
Hard

Marie-Lucie PIERRAT
Used 6+ times
FREE Resource
10 questions
Show all answers
1.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Indique la température à partir de laquelle on considère que les conditions sont favorables au semis du maïs.
5°C
10°C
15°C
20°C
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Indique la principale conséquence si le maïs est semé trop profond.
4.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Indique les 3 étapes de contrôle de la qualité du semis avec un semoir monograine.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Indique le nom de cette adventice.
fumeterre
gaillet gratteron
mercuriale
morelle noire
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Indique le nom de cette adventice.
arroche
amarante
pensée
chénopode blanc
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Indique à quoi sert le traitement de semences à base de néonicotinoïdes sur les betteraves.
protection contre la cercosporiose
protection contre les nématodes
protection contre les pucerons
protection contre le virus de la jaunisse
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