Cultivation Techniques for Morchella spp.with Multi-Layer Rack in Greenhouses
Five strains of Morchella spp.with good characteristics were introduced from Sichuan.The comparative experiment of the strains,cultivated soil,and the period of external nutrition bags was carried out under the model of cultivation with multi-layer racks in greenhouses.The results showed that No.1 had the highest yield,with an average of 139.47 g·basket‒1.The fruiting body was small overall.The average weight of the fruiting body was 21 g,and the cap weight accounted for 64.1%of the fruiting body.The second strain was No.3,with an average of 100.07 g·basket‒1.The fruiting body was larger overall.The aver-age weight of the fruiting body was 24.67 g,and the cap weight accounted for 60.8%of the fruiting body.The fertility of ditch soil was not as good as that of vegetable garden soil,but the soil was loose,and the water-holding capacity was good.The number of diseased and insect pests was less,and the yield of Morchella spp.was the highest,with an average yield of 108.50 g·basket‒1.The soil quality of the rice fields was more fertile,with good water retention and fewer diseases and pests.The yield of Morchella spp.was the second highest,at 99.30 g·basket‒1.After testing,the quality of these two products reached the non-pollution stan-dards.The optimal periods for external nutrition bags were 10,5,and 15 d.The yield of fresh mushrooms was higher at 107.15 g·basket‒1,101.38 g·basket‒1,and 97.46 g·basket‒1,respectively.
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