1. It is timely to pour over winter water. Watering is too early, the temperature is high, evaporation is large, and too much water is lost. It does not have the effect of wintering water. Watering is too late, the temperature is low, the ground has been frozen, the water is not easy to infiltrate, the water in the ground area is frozen, and the wheat seedlings are easy to suffocate dead seedlings under the ice layer, or form ice ling, lift the clods, break the wheat root, and hang the wheat seedlings. . The timing of pouring winter water should be based on the temperature, which generally starts at an average temperature of 7-8°C and ends at an average temperature of about 5°C. A farmer Yan Yan explained that the winter irrigation should be timely "only frozen, winter irrigation is late; night freezing, winter irrigation is just right."
2, pouring over the winter water should pay attention to the problem. Overwintering water should not be too large, so that it can be thoroughly irrigated. It is advisable to seep through the day. Do not flood the area with water and form ice. The poor water conditions in the wheat area must be properly and fully arranged, with early irrigation, low-lying land and clay ground. The water-preserving plots can be filled with water first, so as to complete the pouring before the soil is frozen; for late buckwheat, because of the late sowing, the short growing period before winter, the effective accumulated temperature is insufficient, the leaves are less, the roots are less, there is no tillering or the tillers are few In order to utilize the effective accumulated temperature in the early winter and early spring to increase the ground temperature of the sowing layer and strive for more deliveries, it should not be poured over the winter water in the event that there is sufficient groundwater.
Control of coccidiosis:
Control of chicken Eimeria disease.
Coccidiosis is a parasite disease, which can cause serious loss of meat and egg production in domestic poultry. The multiplication of parasites in small intestine leads to the prevention of damage, reduction of intake and nutrient absorption rate in feed, dehydration and blood loss. Coccidiosis is caused by Eimeria, a single cell parasite. Eimeria's life cycle is about 4-7 days. Eimeria's life began when the active egg sac was eaten and eaten by chickens. An "egg sac" is a capsule with a thick protective layer to protect the parasites. They are "spores" or uninfective, but if the humidity, temperature or oxygen are appropriate, they start to grow. After the chicken took the egg sac, the coccidiosis was implanted in the intestine, and the cells were embedded several times and multiplied, which damaged the tissue.
Antibiotics: This kind of medicine mainly includes monensin, lasalleomycin, salinomycin, naramycin, Maduramycin, Hainanmycin and so on. The mechanism of action is as follows: there is one organic acid group and several ether groups in the molecular structure of the drug, which is negatively charged in the solution. It can combine with sodium, potassium, calcium, magnesium and other cations that play an important role in the body to form fat soluble complexes, improve the permeability of the insect cell membrane to potassium, sodium, calcium, magnesium plasma, and assist the cation to enter the body, This kind of medicine belongs to insecticidal drugs, because it can form a large osmotic pressure difference inside and outside the cell, water enters in a large amount, and the body cell of the insect expands, breaks and dies. These drugs can also interfere with the transport of nutrients through the cell membrane, limit the absorption of sugars by parasites, and inhibit the growth and development of parasites. Therefore, they have a wide spectrum of coccidiosis resistance. There are cross resistance and cumulative effect between these drugs, but no synergistic effect.
Our business covers Africa, the Middle East, Central Asia and Southeast Asia.
North Africa Egypt, Libya, Tunisia, Morocco, Algeria.
East Africa is Ethiopia, Somalia, Kenya, Tanzania, Uganda, Burundi, Rwanda and Seychelles.
West Africa usually includes Mauritania, Senegal, Gambia, Mali, Burkina Faso, Guinea, Guinea Bissau, Cape Verde, Sierra Leone, Liberia, C ô
te d'Ivoire, Ghana, Togo, Benin, Niger, Nigeria, etc.
South Africa is South Africa, including Zambia, Malawi, Zimbabwe, Botswana, Swaziland, Lesotho, Mozambique, Republic of South Africa,
Namibia, Madagascar, Comoros, Mauritius, Reunion Island, France, St. Helena and ascension.
Central Africa includes the Central African Republic, Chad, Cameroon, Equatorial Guinea, Gabon, the Republic of Congo, the Democratic
Republic of Congo, Sao Tome and Principe.
Central Asia refers to the inland region of Central Asia: Kazakhstan, Uzbekistan, Kyrgyzstan, Turkmenistan, Tajikistan and Afghanistan.
Southeast Asia: Myanmar, Thailand, Cambodia, Laos, Vietnam, Philippines, Malaysia, Singapore, Brunei, Indonesia and Timor Leste.
Countries and regions in West Asia include Saudi Arabia, Iran, Iraq, Kuwait, UAE, Oman, Qatar, Bahrain, Turkey, Israel, Palestine, Syria,
Lebanon, Jordan, Yemen, Cyprus, Georgia, Armenia and Azerbaijan.
North African countries and regions include Egypt, Libya, Tunisia, Algeria, Morocco, Madeira Islands, Azores Islands and Western Sahara.
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