优质的幼苗如以下条件,除了
6年级设计与工艺 移植幼苗

Quiz
•
Life Skills
•
6th Grade
•
Medium
Wong Mee Ling
Used 2+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
成长良好
有二或三片青翠的叶子
有虫害
根部发达
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
劣质的幼苗如以下条件,除了
折断或破损
根部发达
枯黄的叶子
有虫害
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
为什么我们要在栽培器具中要舍劣质的幼苗?
需要不一样的土壤
劣质幼苗需要更多的水分
长得不好看
避免劣质幼苗和优质幼苗竞争养分
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
栽培篮里的同一海绵块里,应该保留多少株幼苗?
一株
一或两株
两株
两或三株
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
最后,我们把承载该套在贮箱上,必须确保什么?
幼苗根部浸在营养液里
幼苗放在凉棚里
幼苗的叶子长出来了
幼苗根部良好
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