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Liquid fertilizer or bio-organic fertilizer is better, there is no peculiar smell, and it is easy to use!
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Fermented chicken manure, pure natural organic fertilizer, no seedlings burned.
Balcony planting pursues green and organic vegetables, and earthworm fertilizer happens to be a natural pollution-free organic fertilizer! It is recognized that the best organic fertilizer is earthworm fertilizer, which not only has the characteristics of rich nutrition, but also a tasteless fertilizer, and it does not burn seedlings, and it has become a handy fertilizer for novice planters. >>>More
Sandy loam is better.
Generally, you can use well-rotted chicken manure, cow dung, and earthworm manure is also good.
Go online and buy some red soil, fertilizer is also sold.
Foam boxes or those special balcony pots.