Seven Points for Drought Management in Maize Field in July

At present, continuous high temperatures and drought conditions are severely detrimental to the growth and development of corn. As a result, in corn field management, the focus has shifted toward drought resistance, disease prevention, and pest control. First, spring sowing of corn is critical. Currently, the crop is entering the flowering and grain-filling stage. During this period, water shortages can lead to barren stalks, resulting in poor kernel development and ultimately lower yields. It is essential to enhance irrigation and implement drought-resistant measures in the fields to ensure that the plants receive adequate moisture for optimal growth. Second, for late-sown corn, proper water and fertilizer management is crucial. The crop has now entered the "tassel" stage, and it's time to apply heavy ear fertilizer. Corn seeded after mid-June often suffers from weak seedlings due to insufficient early fertilization. Therefore, it's important to replant or thin out weak seedlings to promote more uniform growth. Ideally, the seedlings should be as consistent as possible in size, height, and thickness to ensure balanced development. Third, the prevention and control of corn borers and the larvae of certain pests, such as the corn wart, is essential. With late planting occurring during the middle to late part of the month, it's important to use appropriate agents. A mixture of corn mash with kilandan or seven swords, combined with BT powder, can be applied by watering thick patches and covering the top of the heart. To prevent corn downy mildew, products like Jinlei Jia Wei Sterilization, metalaxyl-based sterilization, or bacterial clearance agents can be used, with 120 kg of solution sprayed per acre. Fourth, for late-sown corn, weed control is equally important. Farmers should promptly remove tiller seedlings and prevent unwanted sprouts to avoid competition for nutrients and water. This helps maintain a healthy and productive corn stand. By implementing these strategies, farmers can better manage their corn crops under challenging environmental conditions, ensuring higher yields and healthier plants.

Hematology Analyzer

Hematology analyzer is also called clinical blood cell analyzer, blood cell analyzer, blood cell analyzer, blood cell counter. The blood analyzer not only improves the accuracy of the experimental results, but also provides many experimental indicators, which play an important role in the diagnosis and differential diagnosis of diseases. Hematology analyzer is one of the most widely used instruments in hospital clinical testing.
Test items
Blood cell test refers to routine blood test, which is manual operation and counting under the microscope at first. It includes red blood cell, hemoglobin, white blood cell count and its classification, platelet count, etc. There are more than 20 items.
clinical significance
1. The blood analyzer is mainly used to detect various blood cell counts, white blood cell classification and hemoglobin content.
2. Hematocrit: obtained by multiplying the average volume of red blood cells by the red blood cell count.
3. Red blood cell distribution width: represents the degree of consistency of red blood cell size. When the red blood cell size is uneven, the red blood cell distribution width value increases, such as various types of nutritional deficiency anemia.
4. The three average indices of red blood cells are used to identify the type of anemia.
(1) The average hemoglobin content of red blood cells: increased in megaloblastic anemia, decreased in iron deficiency anemia, chronic blood loss anemia, uremia, chronic inflammation.
(2) Mean volume of red blood cells: increase in hemolytic anemia and megaloblastic anemia; decrease in severe iron deficiency anemia and hereditary spherocytosis.
(3) The average red blood cell hemoglobin concentration: decrease in chronic blood loss anemia, iron deficiency anemia; various diseases can be in the normal range. In megaloblastic anemia, the mean red blood cell volume increases, the mean red blood cell hemoglobin amount increases, the mean red blood cell hemoglobin concentration is normal, and the red blood cell distribution width increases.
5. Average platelet volume: the average volume of each platelet, the size of platelets is related to its function.
(1) Increased: seen in patients with idiopathic thrombocytopenic purpura, edema and proteinuria in late pregnancy.
(2) Decreased: seen in non-immune platelet destruction, aplastic anemia, thrombocytopenia repeated infection syndrome, chronic myeloid leukemia, etc.

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