The correct use of vegetable yellow plate trapping technology

The use of yellow plates for trapping and killing vegetable pests is an important measure for the physical control of vegetables at present, but due to improper use, trapping and killing effects are low. Using the yellowishness of pests, some yellow armyworm boards are hung in gardening facilities to trap and kill pests. In the use of the need to pay attention, according to the height of different crops to determine the level of insert yellow, such as the height of the tomato yellow plate 80-100 cm, 150-200 cm cucumber, leaf vegetables 30-50 cm. Inserting 20 to 25 yellow plates per acre can reduce the population density of aphids by 20% to 40%, and reduce the use of drugs by 5 to 8 times per acre. If the insect-proof net and the yellow board are applied to the pollution-free production of vegetables at the same time, the insect-proof net is covered all day in summer, and the vents and doors are closed in winter and spring and autumn, and yellow-board traps can be used to trap the insects that escape from the net, which can play a dual role. , greatly reducing the number of medications, and significant savings and savings.

Herbal Tea

Herbal tea is a health drink made from flower buds, petals or tender leaves of flowers and plants after harvesting, drying and processing. There are many kinds of herbal tea with different characteristics. Therefore, it is necessary to make clear the pharmacological and pharmacodynamic characteristics of different kinds of herbal tea when drinking, so as to give full play to the health care function of herbal tea.
The main varieties of herbal tea are chrysanthemum, rose, honeysuckle and so on.
How to brew: Herbal tea is usually brewed in a glass, China cup or pot with a lid and left for 2-5 minutes to release its active ingredients and distinctive floral aroma. But it is not appropriate to drink with zisha pot. Herbal tea belongs to non-fermentation tea, and it is mainly made of young and pollution-free flower buds and petals. The water temperature should not be too high when brewing, and the water temperature should be 80-90℃. Thermos cups are not suitable for brewing herbal tea, because under the condition of high temperature and constant temperature, various vitamins and aromatic substances contained in herbal tea will quickly be destroyed and reduced, and the tea will become dark in color and astringent in taste. In addition, in the process of brewing, the pot and cup should be sealed to reduce the loss of fragrance as far as possible.
Drinking skills: herbal tea is suitable for drinking, should not add milk, no or little sugar, can add a small amount of honey, to maintain the natural flavor.
Storage method: Herbal tea must be properly stored after purchase because it is rich in nutrition, fragrant and easy to be eaten by insects or damp. First of all, sealed packaging to prevent fragrance; Secondly, it should be placed in a cool and dry place to avoid direct sunlight and prevent deterioration and discoloration of herbal tea due to light, moisture and temperature. If the quantity of herbal tea is small, it should also be stored in a freezer bag and used up as soon as possible. The shelf life of herbal tea is generally 2 years, and the freshness period is 1 year. High temperature can also make the deterioration of tea materials, so usually stored in a cool place, but there is no need to put it in the refrigerator, otherwise, it is often easy to condense moisture caused by temperature difference when taking.

Herbal Tea,Dandelion Tea,Calendula Tea,Honeysuckle Tea

XuChang Youjia Food Product Development Co., LTD , https://www.yjgrain.com