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6年级设计与工艺 移植幼苗

Authored by Wong Mee Ling

Life Skills

6th Grade

Used 2+ times

6年级设计与工艺 移植幼苗
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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

优质的幼苗如以下条件,除了

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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