Pollution-free tea refers to tea that meets food safety requirements. The main performances are: air quality, soil, and water sources meet the requirements for the healthy growth of tea plants; processing, packaging, and other aspects meet food hygiene requirements; pesticide residues, heavy metal content, harmful microorganisms, and other indicators in tea products meet pollution-free standards; The environment does not cause damage; tea is not harmful to human health after drinking. Commonly known pollution-free teas include organic teas, green food teas and low-residue teas. Spicy Chilli Sauce,Beef Chili Sauce,Chicken Chili Sauce,Mushroom Chili Sauce Ningxia Ningyang Halal Food Co., Ltd. , http://www.ningyangfood.com
Mainly for agricultural control
1. Reasonably choose the variety. For newly-developed tea gardens and improved low-yielding aging parks, good varieties with strong resistance, good quality, and easy processing should be selected based on local conditions such as soil and climate. If selected according to local conditions, clonal clones of tea varieties, Longjing 43, etc.
2. Closely and reasonably densely planted. In a timely manner, reasonable planting density and planting methods can be adopted. Single line planting method can be adopted. Lines (clusters) are from 1.5 to 0.33 meters away. 4000 plants per mu (3 plants are 1 plexus) are transplanted. Buried (appropriately buried in the root neck), stretched root system, appropriate compression, so that plants can grow well, grow robustly, resistance to diseases and insect pests have been correspondingly improved, as early as possible high yield.
3. Strengthen tea garden management. In the tea production process, scientific management methods can effectively suppress or reduce the occurrence of pests and diseases. The first is scientific balanced fertilization. According to the quantitative production, sufficient base fertilizer is applied, mainly organic fertilizer is used, less chemical fertilizer is used, nitrogen fertilizer is controlled as much as possible, the nutritional conditions of the crop are improved, the healthy growth of tea plants is promoted, and the ability to resist pests and diseases is improved. The second is timely pruning and clearing the garden. Each year should be timely tea pruning, cut off the leaves of pests and diseases, remove dead dead branches, light pruning depth of 3 to 5 cm, deep pruning 10 to 15 cm, Taiwan and Taiwan to 40 cm from the ground. The deep-buried or fired treatment of the diseased branches to reduce overwintering causes on the diseased body can reduce overwintering egg masses of tea aphids, tea caterpillars and tea black poisonous moths, and reduce the residual base number of tea leaf roller moths and mites, and reduce Round spot disease, tea cake disease winter fungus source. The third is cultivating earth. The cultivating soil not only improves the soil moisture, but also facilitates the growth of the roots, destroys the overwintering sites of pests and diseases, mechanically kills the overwintering larvae of the tea-footworm, etc., and deeply buries the litter and reduces the number of pathogens. The fourth is to collect tea in batches in time. When picking tea leaves in time, in batches, leaving leaves to pick, you can remove the new twigs on the leaf roller moth, small green leafhoppers and other pests of young nymph eggs, but also reduce the risk of tea withered. The fifth is the trapping and killing prevention. For some pests that have a tendency to change, light, bait, and addiction trapping can be used. This method is more effective if applied on a large area.