
Vrijeme sjetve biljaka

Quiz
•
Other
•
1st Grade
•
Easy
J J
Used 6+ times
FREE Resource
20 questions
Show all answers
1.
OPEN ENDED QUESTION
3 mins • 1 pt
Biljke sijemo u tri roka: jesenja sjetva, proljećna (jara), letnja (postrna i naknadna).
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
Vrijeme sjetve ozimina obavlja se u jesen tj, krajem ljeta pa do zime. Najarnije se siju: Uljana repica (krajem avgusta), Djetelina, lucerka, ovas, raž (septembar), Pšenica i ječam (oktobar).
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
Rok za sjetvu za rane jare vrste je krajem februara početkom marta. Siju se vrste:
otporne prema mrazevima, pogoduju im niske temeprature i da bi izbjegle napad od bolesti i štetočina.
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
U kasne jarine spadaju vrste koje su osjetljive na niske temperature. Za njihovo klijanje i nicanje potrebne su temperature od 8 do 12C. Siju se najčešće u drugoj polovini aprila i u maju.
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5.
OPEN ENDED QUESTION
3 mins • 1 pt
U ovim uslovima siju se vrste koji nijesu glavne ali mogu poslužiti kao biljke za zelenišno đubrivo, kao krmne biljke. Siju se kasno u proljeće ili ljeto.
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6.
OPEN ENDED QUESTION
3 mins • 1 pt
Sjetva se može obavljati ručno i mašinski. Ručno se najčešće sije omaške. To je nastariji način sjetve. Radni učinak je mali, a kavalitet rada loš.
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7.
OPEN ENDED QUESTION
3 mins • 1 pt
Mašinska sjetva: Pruža bolji raspored sjemena po površini i dubini, podešava razmak sjetve, reguliše se količina sjemena za sjetvu, ušteda sjemena, moguće je izvoditi sjetvu na vjetru.
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