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Technical Guidance for Rice Management in the Early and Middle Stages of This Year
I. Characteristics of Rice Production This Year 1. Large mechanical transplanting area and high transplanting quality. According to reports from all towns, the city's mechanical transplanting area is 173,500 mu, accounting for 81% of the rice area, with high transplanting density, few missing hills or gaps, and suitable basic seedlings. Seedling condition monitoring data: the city's average number of hills per mu is 17,300, an increase of 1,200 hills or 7.5% over last year's 16,100; the average number of basic seedlings is 70,700, an increase of 19,200 or 33.2% over last year's 57,700. 2. Suitable transplanting period and rapid seedling establishment and growth.
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Introduction to the Rice Variety Jinyou 2248
(1) Variety origin: Jinyou 2248 is a medium-maturing medium indica hybrid rice combination developed by the Chengdu Institute of Biology, Chinese Academy of Sciences, using Jin 23A and 2248 in a cross. (2) Characteristics: This combination has a growth period of 147 days, a plant height of 110 cm, an average of 130 grains per panicle, a seed-setting rate above 80%, and a 1000-grain weight of 27-28 g. It has a good plant and leaf type, strong tillering ability, erect leaves, and a relatively dark leaf color. Most of its rice quality reaches the Ministry-issued first- or second-grade high-quality rice standard. In disease resistance identification, leaf blast was grade 4-5 and neck blast grade 2-5, with slight field infection of sheath blight.
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Introduction to the Jinyou 402 Rice Variety and Key Cultivation Techniques
Variety source: This is a new hybrid early rice combination developed with Jin 23A, bred by the Changde City Agricultural Science Research Institute in Hunan, as the female parent and R402, bred by the Anjiang Agricultural School in Hunan, as the male parent. Characteristics: The full growth period is 115 days, and the plant height is 88.0 cm. The plant and leaf type are good, and the color remains good in the later stage. The effective panicles per mu are 247,000, the total grains per panicle are 103, the seed-setting rate is 77.6%, the 1000-grain weight is 25.3 g, the brown rice rate is 79.6%, the milled rice rate is 65.7%, the grain length is 6.98 mm, the length-to-width ratio is 3.28, the transparency is grade 3
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Introduction to the rice variety Jinyou 448
Characteristics: This variety is an indica three-line hybrid rice. When grown as a double-cropping late rice in the middle and lower reaches of the Yangtze River, the average whole growth period is 111.9 days, 1.8 days earlier than the control Shanyou 64. Plant height is 88.4 cm, the plant type is moderate, the plant is relatively short, the flag leaf is upright, and the panicle-grain weight is balanced. It threshes relatively easily and lodges relatively easily in the later stage. The number of effective panicles per mu is 204,000, panicle length is 23.2 cm, total grains per panicle is 110.4, seed setting rate is 83.4%, and 1000-grain weight is 28 g. Resistance: rice blast grade 7, bacterial leaf blight grade 7
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Introduction to the Characteristics and Traits of the Jinyou 71 Rice Variety
Jinyou 71 (rice) Variety source: A hybrid early rice combination developed by the China Rice Research Institute by crossing 23A/R71. Characteristics and traits: The whole growth period is about 111.0 days, about 4.0 days earlier maturing than Jinyou 402. Plant height is 88.0 cm, plant type is compact, tillering ability is strong, effective panicles are numerous, panicle type is somewhat small, and color retention at the late stage is good. Effective panicles per mu are 259,000. Panicle length is 18.9 cm, total grains per panicle are 94.0, seed setting rate is 80.4%, and 1000-grain weight is 25.3 g.
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Introduction to the rice variety Jindao 1007, formerly known as Jinyou 9702
Variety source: Jindao 521/Wuyujing 3. Characteristics: This variety is a conventional japonica-type rice variety. When grown in the Huang-Huai region, its whole growth period is 156.6 days, 1 day later maturing than the control Yujing 6. Plant height is 99 cm, total grains per panicle are 142.6, seed-setting rate is 84.5%, and 1000-grain weight is 23.7 g. Rice blast disease grade 3. Main rice quality indicators: head rice rate 67.3%, chalky grain rate 5%, chalkiness degree 0.2%, gel consistency 85 mm, amylose content 17.2%. Yield performance:
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Jindao 1187 Rice Variety Introduction
Breeding institution: Crop Research Institute, Tianjin Academy of Agricultural Sciences. Approval status: approved by the Tianjin Crop Variety Approval Committee in 1987, recognized by the Hebei Provincial Crop Variety Approval Committee in 1992, and approved by the National Crop Variety Approval Committee in 1993. Variety registration number: GS01003-1992. Variety source: 73-113/Tainan 3. Characteristics: a medium-late maturing japonica rice variety. Plant height about 110 cm, compact plant type, erect leaves, medium tillering
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High-yield field management techniques for cultivating button mushrooms (Agaricus bisporus) in rice paddies
Field selection and preparation: It is best to choose fresh fields or fields where mushrooms have been grown before that are upwind and upstream; avoid using diseased fields or old fields located at downwind, downstream outlets, otherwise they are prone to invasion by contaminating microorganisms. Plow and finely level the field; if the field is dry and has good drainage, plowing may be omitted; also open drainage edges and bed furrows, with a bed surface width of 80-90 cm and a walkway width of 60-70 cm; spread the remaining 50 kg of fine lime powder into the casing soil. Sowing: When sowing mushrooms, farmer friends should pay attention to doing the following work well: 1. Place
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What kind of soil standards do high-yield rice require?
(1) Distinct profile horizons, deep plough layer, good texture. For high-yield rice, a plough layer depth of about 20 cm is best. The plough layer should be fertile, thick and soft, with a high aggregate content, good structure and aeration, and suitable tillage properties. If the plough layer is too shallow, rice roots develop poorly; if too deep, floating mud forms easily, which is unfavourable for rice rooting and early growth. The texture should be moderate, neither too sandy nor too clayey: when dry-ploughed, the plough does not turn up large clods and the soil breaks up easily under harrowing; when wet-ploughed, it does not settle into a hard pan; when drained and dried, it does not crack widely, and the cracks close up easily after re-flooding.(2) Organic
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Impact of High-Temperature Heat Damage on Rice Production in Fanchang County and Defensive and Remedial Measures
In the process of rice production, the climate factors with the greatest impact and the hardest to control are temperature and water. Reasonable irrigation can supplement and regulate water, but temperature is difficult to control, and it exerts a major influence on the entire life of rice. Rice is the main crop in grain production in Fanchang County, ranking first among grain crops in both planting area and total output. At present, the rice planting area in Fanchang County is about 16,360 hectares (including the multiple cropping index), of which about 13,191 hectares are middle-season indica rice (mainly hybrid rice), about 1,514 hectares are early rice, and about 1,655 hectares are double-cropping late rice.
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