Question

What are biofertilisers? Describe their role in agriculture. Why are they

preferred to chemical fertilisers?​

Answer 1

Explanation:

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ᴍɪᴄʀᴏʙᴇs ᴀs ʙɪᴏғᴇʀᴛɪʟɪsᴇʀs

• ʙɪᴏғᴇʀᴛɪʟɪsᴇʀs ᴀʀᴇ ᴛʜᴇ ᴍɪᴄʀᴏᴏʀɢᴀɴɪsᴍs ᴡʜɪᴄʜ ᴇɴʀɪᴄʜ ᴛʜᴇ ɴᴜᴛʀɪᴇɴᴛ (ɴɪᴛʀᴏɢᴇɴ, ᴘʜᴏsᴘʜᴏʀᴜs, ᴇᴛᴄ.) ǫᴜᴀʟɪᴛʏ ᴏғ ᴛʜᴇ sᴏɪʟ.

• ʙᴀᴄᴛᴇʀɪᴀ, ғᴜɴɢɪ ᴀɴᴅ ᴄʏᴀɴᴏʙᴀᴄᴛᴇʀɪᴀ ᴀʀᴇ ᴛʜᴇ ᴛʜʀᴇᴇ ᴍᴀɪɴ sᴏᴜʀᴄᴇs ᴏғ ʙɪᴏғᴇʀᴛɪʟɪsᴇʀs.

• ʀʜɪᴢᴏʙɪᴜᴍ ɪs ᴀ sʏᴍʙɪᴏᴛɪᴄ ʙᴀᴄᴛᴇʀɪᴜᴍ ᴛʜᴀᴛ ʟɪᴠᴇs ɪɴ ᴛʜᴇ ʀᴏᴏᴛ ɴᴏᴅᴜʟᴇs ᴏғ ʟᴇɢᴜᴍᴇs ᴀɴᴅ ғɪxᴇs ᴀᴛᴍᴏsᴘʜᴇʀɪᴄ ɴɪᴛʀᴏɢᴇɴ ɪɴᴛᴏ ᴏʀɢᴀɴɪᴄ ᴄᴏᴍᴘᴏᴜɴᴅs.

• ғᴜɴɢɪ ғᴏʀᴍ sʏᴍʙɪᴏᴛɪᴄ ᴀssᴏᴄɪᴀᴛɪᴏɴ ᴡɪᴛʜ ᴛʜᴇ ʀᴏᴏᴛs ᴏғ ʜɪɢʜᴇʀ ᴘʟᴀɴᴛs ᴄᴀʟʟᴇᴅ ᴍʏᴄᴏʀʀʜɪᴢᴀ,

ᴇ.ɢ., ɢʟᴏᴍᴜs.

• ᴛʜᴇʏ ғɪx ᴀᴛᴍᴏsᴘʜᴇʀɪᴄ ɴɪᴛʀᴏɢᴇɴ ᴀɴᴅ ɪɴᴄʀᴇᴀsᴇ ᴛʜᴇ ᴏʀɢᴀɴɪᴄ ᴍᴀᴛᴛᴇʀ ᴏғ ᴛʜᴇ sᴏɪʟ ᴛʜʀᴏᴜɢʜ ᴛʜᴇɪʀ ᴘʜᴏᴛᴏsʏɴᴛʜᴇᴛɪᴄ ᴀᴄᴛɪᴠɪᴛʏ, ᴇ.ɢ., ɴᴏsᴛᴏᴄ, ᴀɴᴀʙᴀᴇɴᴀ, ᴏsᴄɪʟʟᴀᴛᴏʀɪᴀ, ᴇᴛᴄ.

ᴛʜᴇsᴇ ᴀʀᴇ ᴘʀᴇғᴇʀʀᴇᴅ ᴛᴏ ᴄʜᴇᴍɪᴄᴀʟ ғᴇʀᴛɪʟɪsᴇʀs ʙᴇᴄᴀᴜsᴇ:

ɪ. ᴛʜᴇʏ ᴅᴏ ɴᴏᴛ ᴘᴏʟʟᴜᴛᴇ sᴏɪʟ, ᴀɪʀ ᴀɴᴅ ᴡᴀᴛᴇʀ.

ɪɪ. ᴛʜᴇʏ ᴅᴏ ɴᴏᴛ sᴘᴏɪʟ ᴛʜᴇ sᴏɪʟ ᴛᴇxᴛᴜʀᴇ ᴏʀ ᴘʜ ᴏғ ᴛʜᴇ sᴏɪʟ.

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@Gurjari