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Four key points to master in rice fertilization
First, pay attention to applying sufficient organic fertilizer. Organic fertilizer contains various nutrients, can improve soil aeration and its characteristics of absorbing fertilizer and retaining water, promote robust growth of rice plants, and achieve high yield and good quality. Organic fertilizer is mainly used as base fertilizer, applying 30-40 loads of decomposed farmyard manure per mu, or 30-40 kg of cake fertilizer, and 40-50 loads of human and livestock manure can also be applied after plowing and before flooding. Second, pay attention to controlling nitrogen fertilizer. Excessive application of nitrogen fertilizer to rice will not only cause an increase in ineffective tillering, greening, lodging, and intensified pests and diseases, leading to more empty and shriveled grains, a decline in the seed-setting rate, and affecting rice yield.
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Detailed Explanation of the Organization and Management Methods of Mating Nucleus Colonies
A mating nucleus colony is a small colony organized for a new queen bee to live and mate in; the time is on the 10th day after removal or the 7th day after the queen cell is sealed. To organize a mating nucleus colony, first prepare a mating box. You can use 2 or 3 partition boards to tightly divide a standard beehive into 3 or 4 small compartments. Each compartment can hold 2-3 combs, and entrances 1-3 mm long and 8 mm wide are opened in different directions. The hive wall in front of each entrance is painted with different colors such as yellow, blue, and white, so that the queen bee can identify its own hive. In each compartment of the mating box, place one frame of sealed
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Application Methods of Fertilizer Long in Formula Fertilization for Rice
1. Advantages of Fertilizer Long: (1) Long-acting and synergistic effect, extending the fertilizer efficiency period of nitrogen fertilizer by 1 time, with no fertilizer deficiency phenomenon throughout the entire growth period of rice. (2) Improved nitrogen fertilizer utilization rate; deep fertilization overcomes fertilizer loss due to running, overflowing and seepage of field water, reducing fertilizer loss. (3) Enhanced resistance of rice to low temperature, drought and disease erosion. (4) Changes traditional multiple surface fertilization to deep one-time fertilization, saving fertilization labor and costs. (5) Reduced nitrogen fertilizer dosage; according to plots with different fertility, the pure nutrient amount of nitrogen fertilizer can be reduced by 15%-25%. 2. Fertilizer Long
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What are the four major factors that determine the success or failure of chicken immunization?
I. Vaccine factors 1. Selection of vaccines: Products produced by biological products enterprises that have passed GMP acceptance and have a formal production license and approval number from the Ministry of Agriculture should be purchased. When purchasing, carefully inspect the vaccine vials. Any vial that is broken, has no label, has unclear label printing, has a loose cap, contains impurities, has changed color, shows separation of the emulsion layer in inactivated vaccines, is expired and ineffective, or has not been stored under the prescribed conditions must not be selected. 2. Storage of vaccines: Store strictly according to the requirements of the instructions, avoiding repeated freezing and thawing caused by fluctuating temperatures, which can inactivate the vaccine or reduce its potency; direct sunlight is strictly prohibited; vaccines that have been diluted and are not used up, as well as vaccine vials and instruments, must be inactivated.
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Detailed Explanation of Nine Immunization Methods for Chickens
Immunization is an indispensable task on chicken farms, and the success or failure of immunization is directly related to the level of chicken farming profitability. Practice has proven that under the same conditions, choosing an effective immunization method can achieve better immunization results. The author has collected the experiences of some chicken farmers and, combined with theory, summarized ten methods and the applicable vaccine types, for the reference of the majority of chicken (goose and duck) farmers. 1. Intranasal and intraocular drip method. Dilute a 500-dose vaccine with 25 ml of sterilized physiological saline and shake well, then use a standard dropper (a plastic eyedropper bottle also works) to place one drop (about 0.05 ml) in each chicken's eye and nostril, allowing the vaccine to be inhaled from the trachea into the lungs and seep into the eyes. This method is suitable for vaccinating chicks with Newcastle disease virus vaccine strains II, III, and IV and with attenuated vaccines such as infectious bronchitis and infectious laryngotracheitis. It ensures uniform vaccination of chicks and produces relatively good immunization results, and is called by the farming industry the best method for attenuated vaccines.
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Clever Fertilization in the Late Stage of Cotton: Disease Prevention and Yield Increase at the Same Time
In the late growth stage of cotton, the root system's ability to absorb nutrients declines noticeably, but if fertilizers such as nitrogen, phosphorus, potassium, zinc and boron are sprayed on the cotton leaves, they can prevent premature senescence, promote early maturity, prevent disease, prevent boll shedding and help set large bolls, with a significant yield-increasing effect. 1. Apply nitrogen fertilizer to prevent premature senescence: each time use 75-100 kg of 1% urea solution per mu, spray once every 5-7 days, for 2-3 consecutive sprays, which can enhance leaf photosynthesis and prevent premature senescence and increase yield. 2. Apply phosphorus fertilizer to promote early maturity: in the late stage of cotton, spraying phosphorus fertilizer on the leaves,
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Key Points of Packaging Sterilization Technology for Mashed Potatoes
Raw material formula: 10 kg of mashed potato, 2 kg of egg white liquid, 1 kg each of dextrin with a starch saccharification value of 20 and clean water, 300 g of vinegar, 6.7 g of xanthan gum, 26.6 g of agar. Operation points: add egg white liquid (solid content of about 10%), dextrin (solid content of 75%) and vinegar to the mashed potato; then add 0.05% xanthan gum, agar and clean water, mix thoroughly, and make mashed potato. Product characteristics: when the product has just been prepared
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How to Fertilize Lilies: Master the Key Points of Scientific Fertilization Techniques
Lilies are perennial herbaceous plants of the Liliaceae family. They are mainly produced in Henan, Hubei, Hunan, Jiangxi, Zhejiang, Guangdong, Guangxi and other provinces (autonomous regions). The medicinal part is the bulb. Lilies prefer cool conditions and are relatively cold-tolerant; they prefer dry conditions and fear waterlogging; they are strongly shade-tolerant, but prefer light during the budding and flowering stage; they prefer deep, fertile sandy loam and have a relatively strong tolerance for fertilizer. Key points of fertilization techniques: For base fertilizer, apply 3000-4000kg of barnyard manure per 667 sq m. For topdressing, the first application at thawing time, apply 150
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Key Technical Points for Fertilization in the Production of Pollution-Free Fruit
1. The use of organic fertilizers, commercial organic fertilizers, and microbial fertilizers is encouraged. On the premise that chlorine-containing compound fertilizers and nitrate nitrogen fertilizers are prohibited, chemical fertilizers are permitted to be used according to the following two principles. (1) Chemical fertilizers must be applied in combination with organic fertilizers, and the amount of inorganic nitrogen applied should not exceed the amount of organic nitrogen used. (2) Chemical fertilizers may also be applied in combination with organic fertilizers and compound microbial fertilizers, with the formula being 1000 kg of barnyard manure, 5-10 kg of urea or 20 kg of diammonium phosphate, and 60 kg of compound microbial fertilizer; the final topdressing must be carried out 30 days before charging.
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Development and Utilization Value and Methods of Kernel Apricot Flesh
I. Dried Apricot Processing 1. Process flow: apricot flesh → washing → sulfur fumigation → drying → finished product 2. Technical points: (1) Washing. Select flesh that is uniform in appearance, fully ripe, with no fuzz on the fruit surface, small in fruit size and thick in flesh; wash clean with water and drain off the moisture. (2) Sulfur fumigation. Send the material baskets or bamboo trays holding the apricot slices onto the wooden racks in the fumigation room, pour the burning charcoal into the iron pan in the center of the fumigation room, quickly sprinkle sulfur (3-4 kg of sulfur per 1000 kg of apricot slices) onto the charcoal, then leave the fumigation room immediately
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