The fish special fertilizer for fish farming is a highly standardized organic and inorganic fertilizer that is replaced by phosphate fertilizer and ammonium bicarbonate fish produced by using modern bioengineering technology. It has a small amount, high utility, rapid fish growth, and improved wate

The onion is a 2-3 year old herb belonging to the genus Liliaceae, which is planted in vast areas of China. In the winter in North China and Northeast China, the onion seedlings cultivated on the open ground still cannot survive winters in situ. Therefore, in north China and northeast China, autumn

Third, corn glutinous maize glutinous rice mainly occurs in the tasseling period of winter sweet corn, mainly male flowers, affecting pollination. The individual locust is small and breeds quickly, so it cannot paralyze. Control measures: 3000 times of imidacloprid or 1500 times of propadiene spray

The pests of Camellia include aphids, scale insects, red spiders, rust ticks, and leaf roller moths. With the addition of rust niches, it can be controlled with general insecticides. The most serious are rust ticks and ticks. The white powder is very small and hard to find. It damages the young sho

Oil seals are important parts for agricultural machinery and various types of machinery and equipment, and are widely used. Its performance and quality have a direct impact on the reliability of agricultural machinery and various mechanical equipment. Some oil seals have a long life of one year. At

After the Chinese herbal medicines are harvested and processed, they must be scientifically packaged and stored in time to ensure their efficacy, quality and value. Otherwise, if the packaging is improperly stored, it will cause worms, mildew, spoilage, deterioration, deterioration, etc. phenomenon

Rice planthopper is a kind of migratory pest, which has the characteristics of long distance migration and cluster damage rice fields. In recent years, the frequency and the damage caused by rice planthoppers in late rice have been particularly prominent and have become one of the major pests of la

Giving ginger a suitable amount of sows can increase the survival rate of piglets, and the piglets are robust, strong and fast. The method is: In the two weeks before the sow gave birth, 0.5 kilograms of ginger are crushed, ginger soup 1.5 to 2 kilograms, 3 to 4 times can be mixed into the sow feed

Faults in tractor electrical systems, whether they occur on the road or electrical equipment, are generally caused by short-circuit or open circuit causes. The phenomena and diagnostic methods are as follows. 1. Short circuit fault (1) Short-circuit fault phenomenon and cause When a partial short

Fresh sowing peas in spring have a short growth period and are planted in the middle or early September. The picking at the beginning of November will not only help improve the land multiple cropping index, but also effectively use the light and temperature resources before the winter, and the mark