Author Archives: nutri

IMPORTANT: Picking and Mycrofeeder

One of the key benefits that our customers get when using Mycrofeeder is mushrooms staying immature for longer ie solid and closed even at the end of the flushes.

This is a time when a lot of extra weight can go into the mushrooms affecting final yield and picking rates.

When using Mycrofeeder, OBSERVE CLOSELY hoe the mushrooms grow out in terms of SHAPE and VEIL and may find you don’t have to PICK as TIGHTLY you would normally at that moment.

Important notes on dilution of Mycrofeeder

During this  Autumn we have continued to evaluate the dosage and water volume for application onto the compost surface at or after filling.

The Mycrofeeder rate remains at 200ml/m2 but the inclusive dosage of 2l /m2 (1.8L water, 0.2L feeder) can be reduced to a range of 1.5l /m2-1.3l /m2.

Substantially this is to help minimise the “ knockback “ effect during cooler and wetter conditions whilst maintaining the correct growth into the casing layer.

This also keeps dilution of the supplement at a high rate to maintain the correct feeding to the advancing mycelium and reduce the risk of delayed growth/timing.


Seasonal changes can have a deleterious effect on the cultural establishment during the Case run period in particular.

Both the compost and casing can be less active during the first 48hrs and should be given careful consideration as to whether adjustment to the normal programme may be required.

When mycelial recovery is compromised the weaker growth is not able to feed in an optimal manner which can limit crop potential and timing.

If too much free water remains at the interface under less active conditions it is possible to wash the supplement down into the compost below the target zone.

You should expect to see a more robust growth of mycelium developing at the interface when using the Mycrofeeder and the time of airing normal as planned.

Getting 23C or more on the interface for 2-3 days at the end of the case run/start of pinning remains vitally important.


All day protection with Sporekill


It was pointed out to us recently from a long standing user of Sporekill, that he noticed when he took his boots off at the everyday, they were ‘sticky’ and ‘tacky’ on the soles. So the good news is that spores are going to get stuck to the soap matrix on the boots and not spread around the farm. Another great reason for using Sporekill in your footdips.

Dosatron for prediluting feeder before spraying on compost

Here is a demonstration of a dosatron accurately diluting and dispensing Mycrofeeder; in this case the Organic certified version.

The model tested was the D3RE25IE as it has the high dilution rate capability and the product goes in via a separate injection unit. The dosed product goes into a small ‘reserve tank’ of 200L and from  there a pump system takes diluted product at a constant output to the nozzles.

We can make all the calculations for correct dosing on the lines and supply a ‘package’ with all equipment and spray bars to do the job simple and easy. Please contact or


Application of Mycrofeeder on compost at filling phase 3

Below are two video links which show the application on a head end filler. It gives you an idea of how it should go on, you can see it is more like a mist than a spray.

Mycrofeeder is applied as a drench (2L/m2) before casing. Growers like yourselves who simultaneously fill and case their rooms would have an arrangement like in the links above, otherwise the liquid is applied with a fine watering rose after filling and levelling out of compost and before the casing is applied on either phase 2 or phase 3 compost.

Rate of use is 200ml in 2L of water per m2. The mixture should be premixed with water and is water soluble. This can be done in a tank or with a Dosatron unit which automatically meters correct dilutio  rate straight from the drum. Please see below.