I just harvested purple sweet potatoes from the Yard. I was very excited and surprised when I got very large potatoes. They are as big as 3 times and 4 times longer than a Heineiken beer bottle. Unbelievable!
So what is the secret to making potato plants have such large tubers? Below are the main factors that make sweet potato growing successful and yield high yields:
The cheapest way to prepare good soil:
I used 20% chicken or pig manures mix with 30% yellow clay sands and 50% topsoil.
There is another more leisurely way, which is to collect all the dry leaves in the garden, beat them into a pile, water them or use probiotics to decompose them faster. Then mix with topsoil to make a good soil mixture.
You also use the yellow clay mix sands instead off using topsoils. Sweet potatoes like yellow sand with little clay a lot. You also can use garden lime if your garden soils were toxic, or low PH.
Picture: I made good soils from Pig manure, clay sand, dry leaves and food trash compost.
2. The funny, low cost way to grow
I use the used bag like these, filling with the good soil, then grow Sweet Potatoes vertically. It looks so amazing. My friend said it was the best idea to enjoy growing. You can see it grow up everyday right here, in the entrance, not in the backyard. Everyone could see it, not only you!
After 3-4 months, you can easily to harvest by tearing the bag. I am sure with you they will produce the big and delicious yams.
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