Gray spot disease mainly damages the leaves and also harms the fruit. It is the main disease of alfalfa. The initial lesions of leaves were pale yellow dots, and they rapidly expanded afterwards, forming irregular large lesions with obvious black bands on the edges. The victim suffers a ro.......

Pests

The main pests of Rieger Begonia include roundworms, worms, fungal mosquitoes, cotton aphids, cockroaches, snails, cockroaches, thrips, and whiteflies. Aphid and tick infections are typically the result of taking infected plant material into the greenhouse. Aphids, worms, fun.......

Some time ago, with the "China on the tip of the tongue," the precious Matsutake was known to the public at one time. However, some people have doubts: Is Matsutake and Agaricus mushroom a mushroom? The original Agaricus blazei and Tricholoma matsutake are.......

1. Prior to the breeding of the snails (7-10 days before seedlings laying), the tumbling, drying and painting must be done thoroughly;
2. Effectively control the quality of good seedlings, requiring that seedlings are robust, have good vigor, have strong drilling potential, do not spr.......

Injection molding machine is one of the commonly used equipments in the plastics processing industry. Usually it takes a long time to work. Therefore, how to ensure the normal operation of the injection machine in continuous production is a concern for both the manufacturer and the user of the .......

Generally, the leakage of biogas digesters is better handled. For example, if the air duct is loose, reinforce the seat with cement mortar and seal it inside. If the dome is slightly leaky, use a thick grout to clean the brush 3 times; , remove the paint carefully; cover loose, re-closed. .......

In recent years, with the acceleration of the urban-rural integration process in the city and the improvement of the environmental requirements of the people, the space for animal husbandry development has been greatly reduced. Nearly half of the city's area is gentle slopes in the mou.......

Dust collector repair, according to the degree of damage repair of its dust removal equipment, equipment repair is divided into minor repair, medium repair and overhaul; among them, minor repairs are usually integrated in equipment maintenance.

1. Minor repairs, also called maintenance.......

The summer sowing period coincides with the “three summers” busy season. The under-employed households are planted under the condition of no fertilization. The nutrients needed for soybeans are from the nutrient residue of the former crop in the soil and during the growth of so.......

The larvae of corn that harm the rhizomes are two-pointed moths, and can be controlled by PuZun 3000 times solution spray. There are three ways to control snails, one is agricultural control: (1) Cultivation with mulching. (2) Using clean gardens, eradicating weeds, timely cultivating, drainin.......

According to the survey, the current pests and diseases in our city are: leaf spot, blight, disease, anthrax, black spot, red spider, Spodoptera litura, spotted fly, and thrips.
First, the occurrence of pests Leaf spot: light occurrence. Chrysanthemum disease leaf rate of 4.5%, Dalbergia .......