by Did67 » 17/08/19, 09:51
Depending on the location, you can find sand in a river ... It doesn't have to be clean sand, like building (this sand is too coarse, by the way). Neither very clean fine sand as that used in swimming pool filters ...
During composting, several phases follow one another:
a) the hot phase, predominantly "bacterial"; it is the waste rich in N, wet, which mineralizes very quickly; once these elements are scarce, the bacteria calm down
b) the cold phase which follows then mainly concerns the fungi, which attack the more fibrous elements - cellulose and especially lignin; they manufacture "pre-humic" substances
At the beginning, we have something that still looks quite like the stems we put. The mushrooms are still at work. One can have formation of anti-germinating substances, in particular in the heart of the heaps. It is the fresh compost, which we can put on the cover, which will continue its evolution ... While being wary just if we sow or if we cover sown furrows!
The work continues more slowly and little by little, we get a darker, more decomposed material, where what has been put is hardly recognizable. The mineralization is more advanced. Humification has started. It's ripe compost.
Ideally, do not put a bin: a pile of compost, it lives! And we live less well in a "bac" ...
The ideal is the largest possible pile (the "edges" always pose problems - too wet, too dry, too hot, too cold ...); the bigger and proportionally, the less "edges" there are!
Protected from light and ideally from rain (which will wash out the mineral elements resulting from mineralization - especially N and K)
Maintained wet but not too much.
Brewed regularly to oxygenate.
Good compost is a bit of a job. It is not just a "rotten"!
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