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Introduction to the Beidao No. 1 rice variety and key cultivation techniques
Japonica rice, bred by the Suihua City Northern Rice Research Institute. In the 1997-1998 regional trial, the average yield was 8311.0 kg/hm2, an average increase of 8.0% over the control Dongnong 416; in the 1999 production trial, the average yield was 7691.8 kg/hm2, an average increase of 9.1% over the control Dongnong 416. The growth period is 131 days, requiring an active accumulated temperature of 2506.8°C. Plant height is 89 cm, panicle length is 17.4 cm, 101 grains per panicle, and 1000-grain weight is 26 g. Medium tillering ability, strong stems and resistant to lodging, favors fertilizer and water,
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Occurrence Patterns and Control Methods of the Rice Water Fly in the Aksu Region
The rice water fly (Ephydra macellaria Egger) belongs to the order Diptera, family Ephydridae. It occurs extremely severely in newly reclaimed salinized rice areas and is one of the major pests in rice production in the Aksu region. The insect gnaws on primary and secondary roots, causing poor development of rice seedlings or floating seedling death. Surveys of rice in the Aksu region from 2002 to 2003 found that yield losses in lightly infested fields reached 5.8%-8.1%, and in heavily infested fields reached 40.5%-56.1%, seriously affecting
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How to Return Rice Straw to the Field? A Detailed Guide to Five Practical Techniques
1. Short-cut rice straw incorporation by plowing technique. Cut the rice straw by hand or machine into lengths of 15-20 cm, and spread it evenly over the paddy field. Generally, the amount of dry rice straw spread per mu is 200-250 kg; if early rice straw is used for return, the amount spread per mu of main field is 1/2 or 2/3 of the total rice straw per mu. After the rice straw is spread, on the basis of the original fertilizer amount, apply an additional 8-12 kg of ammonium bicarbonate or 5-6 kg of urea per mu as base fertilizer; if it is a cold-waterlogged field, apply 15-25 kg of lime per mu in combination to accelerate the softening and rotting of the rice straw. The final
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Fujian Academy of Agricultural Sciences Successfully Bred High-Quality Early Indica Rice Jingfu 4a
After 5 years of effort, the Fujian Academy of Agricultural Sciences has successfully bred a high-quality early indica rice - Jingfu 4a. Experts believe that this research achievement has reached the advanced level of similar international research. This achievement was successfully cultivated through arduous efforts by Zhou Tianli, a researcher at the Rice and Wheat Research Institute of the Fujian Academy of Agricultural Sciences, and his research group. Using Jingfu 4a to formulate early hybrid combinations can greatly improve the quality of China's early-season hybrid rice. According to relevant experts, for a considerable period of time in China, the high-quality male sterile lines used to formulate early hybrid combinations
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Application methods of Shangnong Iprobenfos for controlling rice blast
Shangnong Iprobenfos is a systemic fungicide with a pre-harvest interval of more than 20 days and low toxicity to humans and livestock. Its formulation is a 40% emulsifiable concentrate. Shangnong Iprobenfos is mainly used to control rice neck blast, and is also effective against rice sheath blight (small sclerotium disease), small grain sclerotium disease, rice sheath blight, and planthoppers, and also has insecticidal and lodging-resistant effects. Application methods: To control rice blast, sheath blight, and small sclerotium disease, dilute 600-1200 times with water and spray. Precautions: (1) This agent is also a cotton defoliant, so when applying
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What to Do When Rice Seedlings Suffer Fertilizer Burn? Master the Correct Remedial Methods
Blindly increasing the amount of chemical fertilizer applied will cause various physiological disorders in rice seedlings, making growth and development abnormal after transplanting. Applying excessive amounts of undecomposed organic fertilizer will also cause poor growth of rice. This kind of physiological disorder caused by excessive fertilizer application is "fertilizer burn." 1. Causes of fertilizer burn There are many causes of fertilizer burn in rice seedlings, which can be summarized into three: First, improper fertilization methods. For example, applying ammonia water or ammonium bicarbonate under high temperature at noon, the volatilized ammonia gas causes fumigation damage to rice plants.
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Detailed Introduction to Biological Water-Saving Technology in Rice
Biological water-saving technology refers to the use of a plant's own physiological and genetic potential to obtain more output under the same water conditions. Although it is difficult to research and remains underdeveloped, it requires little input and yields high benefits in practice. Using the large amount of germplasm resources obtained over many years, rice breeders have developed a number of strongly drought-resistant varieties through intervarietal hybridization, systematic selection, and introduction and evaluation, and have applied genetic engineering to the breeding of new varieties, continuously providing high-quality, strongly drought-resistant new hybrid rice combinations and new varieties with greater biological potential for water-saving cultivation.
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Key Cultivation Techniques for the Rice-Rice-Oilseed Rape Triple Cropping System
No-Till Direct Seeding Technique for Oilseed Rape in Paddy Fields The no-till direct seeding technique for oilseed rape in paddy fields is a cultivation method in which oilseed rape is sown directly without plowing after the previous rice crop is harvested. This technique features full utilization of temperature and light resources, improved land utilization rate, reduced labor intensity, and significant economic benefits. Based on demonstration planting results, this technique is suitable for large-scale promotion in our county. I. Four Major Advantages of No-Till Direct Seeding of Oilseed Rape: 1. Labor-saving and cost-saving. For one mu of paddy field, the labor required for ditching, fertilizing, sowing, and pesticide application is only 2-3 working days; the cost of seeds, fertilizers, and pesticides does not exceed 100 yuan
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Detailed Explanation of the Five Major Characteristics of the Rice-Rapeseed Combined Planting Model
Rapeseed is an important oil crop in the Yangtze River Basin. Traditional rapeseed cultivation involves raising seedlings and transplanting them. Because raising seedlings and transplanting rapeseed in paddy fields requires large inputs of labor and materials, with low yields and low returns, and crops are easily lost when unsuitable weather occurs, this affects farmers' enthusiasm for planting rapeseed. Changing traditional seedling transplanting to no-till broadcast direct seeding with rice straw mulching simplifies the production process and achieves the goal of cost saving and efficiency improvement. Compared with traditional seedling transplanting, the rice-rapeseed combined model has the following characteristics: First, no-till broadcast direct-seeded rapeseed, per
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Chujingxiang No. 1 is a high-quality fragrant japonica rice variety
1. Variety origin Chujingxiang No. 1 is a superior fragrant japonica rice variety developed by the Chuxiong Prefecture Agricultural Science Institute through crossbreeding and selection. 2. Characteristics Chujingxiang No. 1 belongs to the medium-maturing medium japonica type, with a whole growth period of about 170 days, 3 to 5 days earlier maturing than Hexi 22-2; plant height 100 cm to 105 cm, leaves slightly drooping in the early stage, becoming upright after jointing, medium to weak tillering ability; large panicles with many grains, 120 to 140 grains per panicle, seed-setting rate 80% to 85%, 1000-grain weight 2
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