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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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Characteristics and Cultivation Key Points of the Xindao No. 17 Rice Variety
Xindao No. 17 was bred by the Grain Crops Institute of the ** Academy of Agricultural Sciences and was approved and named by the Autonomous Region Variety Approval Committee in 2007. I. Characteristics and Traits 1. Characteristics: Compact plant type, erect leaves, strong tillering ability, plant height 91.5 cm, panicle length 18.53 cm, total grains per panicle 139.4, empty grain rate 14.4%, 1000-grain weight about 24.6 g. 2. Growth period: Sown in early April, transplanted in early May, heads out at the end of July, and in September
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Disease- and pest-resistant japonica rice successfully bred in Jiangsu
A breakthrough has been achieved in the "Breeding of New Multi-Resistant, High-Yield and High-Quality Japonica Rice Varieties" carried out through cooperation between the Bokun Agricultural Research Institute of Yixing City, Jiangsu Province, and the China National Rice Research Institute and other institutions. New high-yield, high-quality japonica rice lines such as 4701 and 4714 have been successfully bred with resistance to brown planthopper, rice blast and other pests and diseases. It is reported that the bred high-yield, high-quality japonica rice lines combine genes for resistance to brown planthopper, white-backed planthopper, rice blast and stripe leaf blight, as well as specific genes for high yield and high quality. Testing has shown that these high-quality japonica rice lines are resistant to brown planthopper,
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Rice straw return technology is being vigorously promoted and applied.
Vigorously promoting rice straw return is one of the most economical and effective ways to recycle nutrients through the soil-crop-soil cycle. It not only plays a very important role in improving soil and building up soil fertility, but also has great significance for improving soil potassium and silicon nutrient conditions, balancing crop nutrition, and alleviating the contradiction between the shortage of potassium fertilizer resources in our country and the excessively rapid rise in chemical fertilizer prices. 1. Increasing soil organic matter content. Rice straw has a high organic matter content. Generally, dry rice straw has an organic matter content of 40%. After being returned to the field, it is beneficial to the
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Introduction to the high-quality early indica rice variety Jiayu 948
In the 1995 and 1996 Hangzhou regional trials, the average yield per mu was 367.0 kg and 356.0 kg, an increase of 3.53% and 4.71% over the control Zhe 852. In 1998, the 1,768-mu demonstration plot in Qianjin Township, Pinghu City averaged 527 kg per mu; the 295-mu direct-seeding demonstration plot in Hongcun, Jiangtang Town, Jinhua County yielded 530 kg per mu, of which the 1.2-mu direct-seeding high-yield research plot reached 645.2 kg per mu. In May 1998, it passed the provincial variety approval committee review. It is suitable for promotion and planting in central and northern Zhejiang.
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Characteristics and cultivation key points of Zhendao No. 1, a high-quality medium japonica rice
Zhendao No. 1 (formerly known as 7038), when grown as single-season medium japonica rice in northern Jiangsu, has a whole growth period of 140-145 days. When grown as after-crop rice along the Yangtze River and in southern Jiangsu, the whole growth period is 125-130 days. This variety has a seed-setting rate above 90% and a 1000-grain weight of 25-26 g. When grown as single-season rice, the plant height is 100-105 cm; when grown as after-crop rice, the plant height is 85-90 cm. The head rice rate reaches 70.39%, and the eating quality is good. It is moderately resistant to sheath blight. Cultivation key points: (1) For single-season cultivation, sow in southern Jiangsu in late May. For after-crop rice cultivation along the Yangtze River and in southern Jiangsu,
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How do you rescue rice seedlings poisoned by trichloroacetaldehyde?
Phosphate fertilizer contains trichloroacetaldehyde and trichloroacetic acid. If phosphate fertilizer is applied excessively during rice seedling raising, or if inferior phosphate fertilizer with a high content of trichloroacetaldehyde (acid) is applied, the rice seedlings may suffer trichloroacetaldehyde (acid) poisoning. In mild cases, the seedling leaves curl and shrink, tillers grow in clusters, and brown necrotic streak spots appear at the leaf tips; in severe cases, the streak spots spread from the leaf tips toward the middle and base of the leaves, tillering decreases or stops, the root system becomes abnormally short and thick, and may even rot and turn black, ultimately killing the entire plant. For fields where the seedlings are only mildly affected, immediately adopt the method of irrigating by day and draining by night, repeatedly flushing with water
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What types and characteristics do specialty rice varieties have?
I. The concept of specialty rice II. Types and characteristics of specialty rice 1. Colored rice 2. Aromatic rice 3. Special-purpose rice I. The concept of specialty rice Specialty rice refers to rice with specific genetic traits and special uses, mainly distinguished from ordinary rice by the particularity of its use. Specialty rice generally includes three categories: colored rice, aromatic rice and special-purpose rice. Although its varieties account for only about 10% of rice germplasm resources, it has received widespread attention at home and abroad because of its special nutritional, health-care and processing-and-utilization characteristics.
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