The mud discharge valve is used in the water treatment plant as a sludge and waste water in the discharge tank. The valve has an angled structure and an internal nylon reinforced rubber diaphragm for long-term use of the mud valv.......

The three insects that harm the beans are: leaf miner, red spider bean pod, and now the sun is hot, how can the bean horn prevent the "three insect damage" under h.......

Note the growth

Seeing the growth of cucumbers in greenhouses, usually when the cucumbers in the greenhouse are short of water, the leaves will wilt, the growth will weaken, and the disease will occur more frequently. At this time, water s.......

Autumn stubble vegetables have entered the peak period of planting. Due to the tight time, they were planted without carefully checking the quality of the seedlings after the seedlings arrived. If problems such as diseased or weak seedlings are di.......

Packaging machinery is rare in everyday life, but it is more common in the factory floor. For example, in the production workshops of food, beverage, chemical, bottled, bagged, barreled and other products, we will see the robots .......

In the steam boiler hot water boiler gas boiler oil-fired boiler coal-fired boiler, energy-saving and environmentally friendly boiler operation, often need to stop the furnace due to accidents, faults, power outages and the.......

One, thinning and fixing fruit

The first fruit thinning starts 15-20 days after flowering, which mainly removes malformed fruit, diseased fruit, small fruit, ear fruit, rigid fruit, excessive fruit, etc. The amount of fruit thinning is relat.......

In recent years, there has been a strange phenomenon of short bracts in corn in many places! The specific manifestation is: the length of the corn shaft is normal, but a part of the shaft is exposed and not wrapped by the bracts. The length of bra.......

The application of wax fertilizer in rapeseed is an important measure to increase production. Its role is mainly reflected in the following three aspects:

Insulation and antifreeze. The application of fertilizers with more phosphorus and p.......

1 selection of land preparation

Avoid continuous cropping of broad beans. Continuous cropping will accumulate a large amount of organic acids secreted by the root system and inhibit the growth of rhizobia. Broad bean has a well-developed roo.......

The processing of apple branches in the year is the most important and most commonly encountered problem in pruning. Must be taken seriously and correctly, specifically summarized in six points:

The strong are sparse. Thick branches with .......