Attention to Problems in Finishing Small Tail Han Sheep

At the same time, the use of hormones to treat estrus during the same period in the estrus of small horn sheep sheep can make the breeding time concentrated, which is conducive to herding the sheep and saving labor force. This is indispensable for fat lamb specialization and industrialized whole b

Cotton Coke Article Nightingale

Xanthodes graellsi Feisthamel Lepidoptera. Alias ​​pyrosome yellow moth. The distribution ranges from Shandong, Hebei, and Shaanxi in the north to Taiwan, Guangdong, Guangxi, Yunnan, and Tibet in the south. Host cotton, mallow, sunflower, ramie, sunflower and so on. Injury characte

Atrophic atrophy

Symptomatic atrophic atrophy, also known as hidden mulberry, leading mulberry, vicissitudes, etc., is an important mulberry disease. All planting mulberry areas occur. The diseased leaves were small, shrunken, and the leaves of the rifting varieties turned round, the branches were short, the leave

Mulberry Boron deficiency

Symptoms are also called rough skin disease. Occurred in the 3-5 years old mulberry garden, sometimes into a film, long, thick branches or large seedlings susceptible to disease, Mulberry Park began after the cut from the new base of the disease, after the upward expansion, to the autumn symptoms

Classification and application of ion probe instruments

Generally, the ion beam spot is larger than 10 μm, which is called nonimaging macroprobes; the ion beam spot is less than 10 nm, called ion microbes. The four classifications and applications of ion probe instruments: in terms of imaging technology, they can be divided into scanning ion micropro

Pear tree: July fertilizer management is very important

July is the rapid expansion of late-maturing pear fruit. This top-dressing helps fruit enlargement, increases the proportion of the first and second grade fruits, and can also regulate the competition of nutrients for fruit enlargement and flower bud differentiation, and reduce the phenomena of si