Alexander Tsarev
Mushroom industry

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use energy out of compost

use energy out of compost

30 2010

waste-free production

hi. have a question. mushrooms can grow in 4 or more flushes. and quolity is good enough. so, seems, compost has enough food, energy for mushrooms. but if need to grow just three flushes, how to use as much as possible of this food in three flushes? what conditions(compost,air...) should be for that? why mushrooms sometimes get leggy and mature at small size in first flushes instead of use the energy from compost? thanks

pavel

Comments

  1. Anonymous, 5 2010:

    understand what u mean, dear, Ljiljana. thanks

  2. Jovanovic Ljiljana, 5 2010:

    Dear Mr. Pavel,
    Very difficult to suggest it to you.
    It will depend of growing system, climate, possibility to control condition in growing room. It is not same if you have compost in blocks, already incubated or not, CaCing or not, type of casing soil,......
    Very important is how cool down (temperature shock), ventilation, CO2, chemical property of compost.
    One m2 of growing surface can have 4 blocks, or more 5, depend of dimensions of blocks. *They can be 22-25 kg. but can be 18 kg. or even 15 kg. Also it depend does compost is incubated (Faze III) or spawned (Fase II).
    But one block, has not to have les than 15 kg .of spawned compost, because if has less, can have problems to control temperature and block will be to thin...
    But, in one block, of 15 kg. of spawned compost (Fase II) with 68-70 % RH , has 32 -30 % DM, and depend of ash content(%) rest is Organic material.
    <b>As much Organic material, so much mushrooms, but this is very variable.</b>
    So many factors has influence on this, to tell exactly how much compost to put one m2, of growing surface.
    Do not forget, mushrooms use big part of food, till first flush, and after that will depend of growing condition, how much mushroom you will have in next two flushes.
    Sorry to not give more precise suggestion, but, it is really depend of every mushroom farm and growing condition.
    We use 18 kg. bags, that is around 70 kg. /m2 spawned compost, incubation in bags,
    and we pick out 25 days. During this time we got 3 flushes, and more less, 4-5 kg. cut mushroom (middle size) /bag. After that, cook out compost, and empty room.
    With this, we have 5 growing cycles/ year/room.

  3. Anonymous, 3 2010:

    Dear, Ljiljana. and what weight for the block would u recomend or how much weight of compost per square metre for three flushes?

  4. Anonymous, 3 2010:

    thanks a lot, Ljiljana

  5. Jovanovic Ljiljana, 2 2010:

    Dear Mr. Pavel,
    Mushrooms can growing many flushes, it depend of disponivel water and food in compost, and diseases what you have or not during production.
    If you need to grow just 3 flushes, in this case, you can put less compost on m2. (15 kg. of compost/ one bag is limited. In this case you will have less food in compost, and mushroom will give you 3 flushes, because normally first 3 flushes, gives about 75 % of mushrooms, of total quantity of mushrooms.
    If you have mushrooms leggy, and premature you probably have CO2 to high, or ventilation is to slow and not able to take CO2 from the casing surface, or to many mushrooms are developed and they produce high CO2.
    I hope that help you,. Best regards


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