Do not blindly use vegetables in the greenhouse

Most vegetable farmers use pesticides based on their own years of experience, not on the occurrence and development of pests and diseases. For all kinds of melon and vegetable diseases, whether it is fungal diseases, bacterial diseases, viral diseases or physiological diseases, pesticides are sprayed when the leaves and fruits of the vegetables are slightly changed; for all kinds of melons and vegetables, whether by the mites It is caused by aphids, and regardless of the medicine used, it can not cure the insects. In fact, each pest has its own unique habits and hazards. For example, powdery mildew is easy to invade the young part of melon, black spot is easy to infect from the lower leaves, and the mites are concentrated in the back of the leaves and suck the vegetable juice. . Most of the pesticides that control pests and diseases are particularly specific, often targeting diseases caused by one or a certain type of pathogen, and are ineffective against other diseases. Therefore, it must be applied by disease and insects.
When individual vegetable farmers see pests in the shed, they will immediately spray pesticides to completely eliminate them. In fact, they are completely unnecessary. From an economic point of view, pests in the shed should not be controlled as long as they do not exceed the control indicators, otherwise it may reduce the ratio of output to investment.

Office Chair

Office chairs are compared to previous times, More attention is paid to human factors such as the flexibility and comfort of the chairs, In order to relax yourself as much as possible in a intense working atmosphere, To improve the enthusiasm and efficiency of work. Human design highlights the people-oriented concept, That is, to emphasize the morphological beauty of the appearance, Also value the inherent comfort, functionality, and environmental protection of the CHAIR itself, It is a human care for psychological and physical people. From a psychological perspective, Now for the office chair design, With a beautiful external form, Its materials in texture and color aspects, Environmental protection is also constantly strengthening, Give people a pleasant psychological feeling. From a physiological point of view, the humanized design ensures the comfort of the chair, especially in the design is more obvious. Comfort is the design based on the human engineering degree, which must be based on the scientific analysis of the size of the human body, and should understand the population and region of the product. Only in this way can we achieve the real humanization.

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