In the recent past, the cotton area has been gradually reduced to heavy rain. According to many years of experience, some cotton fields in cotton fields are prone to leaf blight. The symptoms of the disease are: from the point of growth of the main stem or the top of the fruit branch, the dise.......
Kebao is a biological preparation that uses the latest bio-engineering technology to separate and extract a variety of plant gene-inducing agents and anti-reversing signal substances from plant-derived raw materials, and scientifically formulate and revise trace elements necessary for plants. .......
Due to its short cycle, low investment, quick results, and high profitability, the spring soybeans are welcomed by farmers in northern Fujian. Generally, 500-700 kilograms of fresh taro can be produced per mu, and the net income of mu is about 1000-1400 yuan. Now the high-yielding and high-eff.......
The common beneficial insects in rice fields are spiders (natural enemies of rice borer, rice leaf roller, rice planthopper, leafhopper, etc.), black-shouldered L. lucidum, hidden beetle, T. crassipes, and rice red. Crab bees and so on, these beneficial insects are the natural enemies of pests.......
The growth rate of the soft-shelled turtle is slow, and it usually takes 3 to 4 years to reach the commercial specifications of about 500 grams. In general conditions, the growth rate of outdoor natural turtles is: when hatched, it grows 2 cm to 3 cm long and weighs 3 g to 5 g; at the end of t.......
Solidago canadensis L. is a perennial herb belonging to the genus Solidago in the Asteraceae family. It was introduced into China's Yangtze River Delta region in 1935 as an ornamental plant. Because of its strong reproductive capacity, competitive ability, and various means of transmission.......
During the summer, the pigs are warm-blooded animals. The pigs are thick and the sweat glands are underdeveloped. Therefore, the pigs can easily fall out of heat, stagnation, and even death from heat stroke in order to resist heat. Therefore, raising pigs in summer must be stepped up to preven.......
Fertilizer is one of the most important sources of crop nutrients. The timely and appropriate supply of fertilizer to crops directly affects the growth and development of crops. Due to the difference in fertilizer supply, the same crops grow in the same area and there are also differences in g.......
1 Causes of rotten fruit (1) Insufficient light in the shed. The first is the effect of cloudy or rainy, snowy weather; followed by dust on the surface of the greenhouse film, resulting in insufficient light in the greenhouse, humidity is too high, young fruit grows in the dark air for a long .......
Gene chips, also known as DNA chips, DNA microarrays, and oligonucleotide arrays, refer to the use of in situ synthesis (in situ synthesis) or microprinting. The DNA probe is immobilized on the surface of the support to generate a two-dimensional DNA probe array, which is then hybridized with .......
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