A bogey to grazing poisonous grassland. In summer and autumn, some grasses, slopes, or crevices will grow poisonous grasses such as “Rangoicao”. After the animals eat, they will poison and die; some low-lying areas or riverbeds will grow aquatic plants with capsular burrows. Liver …

Magnesium is a component of chlorophyll and it is an activator of many enzymes. It is involved in fat metabolism and nitrogen metabolism and is very important for regulating the activity of enzymes in plants. Magnesium content itself is an important quality standard. Magnesium supplementation …

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Special feeding and management will produce special effects in layer chicken production. The following are several special feeding methods abroad: 1. Vitamin C is added. The results of the Russian study showed that chicken hens were fed diets containing 40 mg of vitamin C per kilogram at tempe…

The principle of simple pruning is to keep the branches strong and weak, and to pull down the branches according to the growth space of the branches, and the angle 60, 70, 80, and 90 from the upper to the lower branches is preferable.

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At present, the prevention and control of the new crown pneumonia epidemic is in a critical period. While the fruit farmers actively cooperate with the local government to prevent and control the epidemic and do a good job of self-protection, they…

Lancet: Can cord blood predict cerebral palsy and death risk in preterm infants?

April 04, 2019 Source: Biological Exploration

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Affected by continuous rainy weather, rice harvesting in our province has been generally blocked recently, affecting the timely sowing of wheat, and the area of ​​late sowing wheat will be larger. The current weather is getting better,…

1. Production method of fresh-keeping film: take 97 parts of sodium sulfate or potassium sulfate, 1 part of starch or gelatin, 1 part of calcium stearate and 1 part of stearic acid. Mix and smash these raw materials (sold in chemical reagent shops), add a small amount of water and make them in…

The quality of corn hybrids directly affects the promotion of new varieties and the economic benefits of breeding units. In order to avoid the occurrence of seed quality accidents, the prevention of miscellaneous and pure products has become a key issue in the hybrid seed production process. T…

Yellow leaves appear in flowers, depending on its occurrence, there are the following situations: First, yellow water. Due to watering, it is characterized by no significant changes in the old leaves, young leaves yellow; this should immediately control the water; Second, dry yellow. Due to la…