In recent years, the rapid development of the carp industry, the market demand continues to rise, the traditional pond raising carp cost is high, is not conducive to large-scale farming, while the cage is raising the use of large water bodies is a good ecological environment, combined with.......

Since 1994, I have been stationed on the basis of two-by-one cultivation, combined with no-tillage cultivation system reform, the practice of small-mountain cultivation of small-mountain corn cultivation. After many years of practice, this method is suitable for hilly land mechanization operat.......

Trace elements boron and manganese, as well as copper zinc molybdenum iron chloride.

Although these elements are small, they do not play a role.

One can promote nitrogen metabolism, making it synthesize high protein.

Second, the crop can fix nitrogen and also partic.......

Although the production of fly maggots is lower than that of the three-dimensional fly maggots, and it is not as stable as the three-dimensional fly maggot breeding, it is currently the most popular for most students because of the advantages of less investment, quicker efficiency, no introduc.......

According to the eurekalert website, reported on July 19, 2006, the new cloned maize gene will help answer the question of how parents' genes have a lasting impact on offspring after unusual interactions. The research findings show that we can cultivate better crops and unveil the secrets .......

Farmers pay attention to price factors. Some farmers believe that the lower the feed price, the lower the cost, and the slower growth, but less investment and less risk. In actual fact, the first choice of low nutritional value, poor quality, little or no use of additives, or even a single fee.......

The disease, also known as late rot, is the most common disease in Shanghai, and it poses a serious threat to grape production. It can cause large amounts of fruit rot and can invade apple trees, pears, and other fruit trees.
[Hazardous symptoms] Mainly invade the grape fruit and can also.......

The punctuated tail has a delicious flesh and rich nutrition, especially no intermuscular puncture. The processing and export prospects are very broad. At present, raw materials for processing enterprises are in short supply; with fast growth, large individuals, mixed food, strong disease .......

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HM strain is an aerobic bacterium, suitable for.......

A few days ago, Yangzhou University in Jiangsu announced a new breakthrough in cloning sheep technology. One of the first generation of cloned sheep with human genes in China has been pregnant. This indicates that China's cloned sheep have achieved a leap from asexual reproduction to s.......