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Why spawns become shrinking during the cultivation period of Straw mushroom

2016-09-18 16:16:56
In normal conditions, strain block buds and grows toward the inner side of material 12 hours after sowing. if spawns haven’t budded or grown to the inner side of material 24 hours after sowing, it is probably because of atrophy.
1. “Burning mushroom” in high temperature: when the temperature of compost is higher than 45 degrees for a long time, it will cause the death of spawns.
2. Medicine influence: Straw mushrooms are sensitive to farm chemical. After sowing, people may spray farm chemical in order to prevent diseases and kill pests, which will actually cause the atrophy of spawns.
3. Asphyxia for lack of oxygen: too high water content of compost (generally no more than 70%) or too tight covering of plastic film may result in atrophic spawns for the reason of lack of oxygen.
4. The harm of Ammonia: excessive adding of urea in compost or too high content of fertilizer in field, ammonia comes out of them and do terrible damage to the spawns of Straw mushroom.
5. Inferior strain: too short or too long age of strain may cause the reduction in growth and poor stress resistance, spawns will atrophy under the unsuited condition.
6. Big temperature differences: spawns of Straw mushroom are sensitive to temperature differences, when the daytime temperature is in above 32 degrees and night temperature is below 28 degrees, it will cause atrophic spawns after spraying excessive water.
7. The occurrence of pests: terrible pests in compost bite and eat compost, which will cause atrophic spawns.
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