Вопрос школьника по предмету Биология
в почве будет больше азотных солей если в ней посадить картофель капуста клевер томат
Ответ учителя по предмету Биология
Ответ:
Азот в почве зависит от количества в нём гумуса.Значит чем больше гумуса в почве тем больше азота в почве.
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‘So what did you do next?’ asked Holmes. ‘Nothing,’ answered Openshaw. He put his head in his hands. ‘I don’t know what to do. I’m afraid.’ ‘Nothing?’ cried Holmes. ‘Young man, you must do something fast. You’re in danger!’ ‘Well,’ I’ve talked to the police,’ said Openshaw unhappily. ‘But they laughed at me. They think that there’s nothing to worry about.’ ‘How stupid they are!’ cried Holmes. ‘And why didn’t you come to me immediately? Your enemies have had almost two days to make a plan. Haven’t you found anything which will help us?’ ‘Well, I found this in the locked room,’ said John Openshaw. He showed us a small, half-burnt piece of paper. ‘It was with my uncle’s papers. It’s his writing. Look, it says: