7 different composts to compare potato growth

Varied growth of Charlotte potato plants in sacks filled with approx. 40L different composts.
Homesaved seed potatoes, planted 20th April.

See timeline for compost identifications.
Filmed 20th April planting, 13th June growth and 18th July harvest.

Sequel video is leeks in the same sacks:    • Leeks after potatoes in the same sack...  

* Please note that when talking through the different composts at the start of the video (03:37 ), I say cow manure, but it is horse manure*

00:00 Introduction, I explain the trial
00:40 About planting potatoes in sacks of compost (variety Charlotte, second early)
01:50 1st sack - potting compost
02:26 Space needed for growing potatoes in sacks
02:42 2nd sack - green waste compost
03:00 3rd sack - two year old wood chip from Johnson-Su bioreactor
03:27 4th sack - well rotted horse manure is horse manure, not cow manure as I say here!
04:12 5th sack - 4mm sieved wood chip, three years old
04:45 6th sack - my homemade compost
05:02 More about the trial, and reasons for doing it
05:33 7th sack - Homeacres soil, with bindweed!
06:14 8th, final, sack - fairly fresh mushroom compost
06:47 Watering the sacks, and the importance of drainage
07:45 9 weeks later mid June - I explain reason for adding feed to some sacks
08:28 A look at the growth in each sack, starting with the three year old sieved wood chip
09:05 Two year old wood chip, not sieved
09:42 Homemade compost, nearly a year old
10:02 Mushroom compost
10:21 Soil - surprisingly impressive results
10:32 Green waste, one year old, and some info on watering
11:27 Potting compost, Moorland Gold
11:43 Adding more compost to some of the sacks
12:03 Horse manure - a disappointing result, and I explain why
13:00 Five weeks later 18th July, and some dramatic changes
14:01 Plans for harvesting the potatoes, and then replanting the sacks with leeks
14:47 Harvesting - the results!
17:52 More on the second trial, with leeks

See my earlier video for more on the effects of weedkiller in compost: https://studio.youtube.com/video/2D1i...

And there are videos on other compost trials in this playlist:    • Trials (including the two-bed dig/no ...  

Filmed by Alessandro Vitale ‪@SpicyMoustache‬ at Homeacres no dig garden, in April, June, July 2022

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