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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Manual stir-frying Technology of Xinyang Maojian Tea Tea
Xinyang Maojian Tea hand-fried raw pot, cooked pot, baking, picking and other processes. 1. The raw and cooked pots and pots are all made of "Niu four pots" with a diameter of 82.5 cm, with a slope of 30-35 and placed on a pot table more than 33 cm high, and the two pots are connected. Raw pot is to kill green and first knead, before stir-frying tea to wipe the pan surface clean, keep the pot surface clean and smooth. The pot temperature is high, and the requirements of all levels of fresh leaves are different, high-grade fresh leaves 160180 ℃; medium-and low-grade fresh leaves 180Mel 200 ℃. Cast per pot
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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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