In recent years, continuous rainfall in our province, and most of the fruit trees are in the period of long fruit and flower buds differentiation, nutrient consumption, some orchards in different degrees showed the symptoms of lack of fertilizer. At this point the soil fertilization is dif.......
The lawn is not built once and for all, it needs your care. Many turfgrass planters have overlooked this point, and the results have not achieved the expected results.
January
1. Some areas can be covered by snow, but most are still exposed to cold winds, and daytime temper.......
Dissolved oxygen (DO) is an abbreviation for Dissolved Oxygen, which is a parameter that characterizes the concentration of oxygen in an aqueous solution. A dissolved oxygen electrode is a current-type electrode for determining oxygen dissolved in a liquid based on the polarographic princip.......
Reasons why rabbits refuse to match
Early allocation is too early: the female rabbit is too young for the first month, and the first months of mating is less than 6 months.
With too much blood: maternal fetal blood distribution, continuous blood with 3 children, generally f.......
A: The quality of silage can be judged after a sensory inspection.
(1) Sampling method: After the kiln is opened, go deep into the silo kiln at a depth of 20 cm. According to the three-point sampling method, each hand should be examined.
(2) Judgment criteria: 1 is better: .......
The scientific name is Artogeia (Pieris) rapae (Linnaeus) Lepidoptera, Pieridae. Synonymous rapae (L.). Alias ​​white butterfly, white butterfly. The larva is called cabbage caterpillar. Distributed throughout the country.
A disease occurred in a certain place like a yellow ox, and the incidence of oxen has been followed by quinone, ivermectin, avermectin, and treatment according to rickets. The condition has not been controlled and the symptoms of the diseased cow have not been alleviated.
(a) clini.......
Some flowers in their individual development process must require a low temperature cycle to promote flower bud formation and floral development. This process is called the vernalization stage. The cold stimulation and treatment process that causes flowers to pass through the vernalization.......
Symptoms mainly harm the leaves, stems and pods. Leaf lesions produced round hazel to dark brown lesions, and lesions were prominent at the edges. Spotted small black spots on the spot, conidia. Stem disease spots brown to dark brown, spindle-shaped or oval-sh.......
Release date: 2010-02-01
Researchers at the Massachusetts Institute of Technology and Harvard Medical School have developed a new t.......
The so-called interval feeding method is to cast the feeding of the day in divided doses to stimulate the appetite of the chickens, to speed up the speed of feeding, to reduce the waste of the scattering materials, and to cultivate the rules of feeding, so as to ensure the basis of the exp.......
If you operate your farm as a company, then you must be clear about the c.......