Fresh-keeping technology of pomelo peel of Pu'er tea
Recently, a storage tank of Pu'er tea made from sun-dried grapefruit peel appeared in the market. According to reports, this kind of tea storage jar carefully takes out the flesh of grapefruit and leaves a complete pomelo peel, which is dried and loaded into Pu'er tea. This storage method is not only well ventilated and insulated from the pollution of external odor, but also makes the Pu'er tea fumigated with the pleasant fragrance of grapefruit.
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Control methods of yellow diamondback moth in Magnolia
The main results are as follows: (1) combined with field operations such as pruning in summer (first generation area) and winter and spring (1st generation area), insect cocoons are cut or broken off. (2) cut off the leaves and kill the larvae when the young larvae are damaged by clusters. (3) spraying 20% dimethrin suspension 20% chlorpromazine 3 suspension or spraying Bt emulsion cyanobacteria in the whole larval stage. (4) when necessary, spray insecticides such as fenitrothion in the larval stage.
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Cultivation and Management of Magnolia Magnolia
Magnolia, also known as Magnolia, Yutang Spring, Magnolia, Magnolia deciduous trees of Magnoliaceae, native to Anhui, Zhejiang, Hunan, Hubei, Guizhou, Guangdong, Shanxi and other areas, is also widely cultivated in Beijing and the south. Magnolia flower color is white, flowers smell fragrant, is an important early spring ornamental tree species in the garden, deeply loved by people, and begonia, Yingchun, peony, sweet-scented osmanthus planting, have good luck, rich meaning, and have the laudatory name of "Yutang spring rich". The cultivation and management techniques of Magnolia are introduced as follows, for reference only.
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