-
Detailed Explanation of Techniques for Self-Breeding Rice Field Eel Fry
1. Selection and Cultivation of Parent Eels. Eels used for breeding must have a robust physique and swim actively. The body color is best in coarse black mud, yellow-brown, or black speckled, green-brown. The source of parent eels should be those caught in cages the same day with relatively small wounds. Rice field eels (Monopterus albus) have sex reversal characteristics; 1-winter-age and 2-winter-age rice field eels are basically female, and after 2-winter-age rice field eels spawn, the proportion of males gradually increases, until at 6-winter-age they are basically male. During the non-spawning season, it is difficult to distinguish male from female; generally, body length and body weight are used as standards, generally body length 37-50 cm, weight 7
-
Occurrence and Prevention Methods of Rice Field Eel Diseases
Rice field eels live year-round in water bodies with complex environmental factors and are frequently attacked by pathogens such as viruses, bacteria and parasites. During the rearing process, sudden changes in water temperature, insufficient dissolved oxygen, excessively high water acidity, and poor feeding management, such as insufficient feed, malnutrition, or feeding rotten and spoiled feed, and deterioration of water quality, disrupt their physiological state, weaken the eel body and lower their resistance, and in severe cases often cause mass death. Even if they do not die, it directly affects the growth and development of the rice field eels. In some cases, it is also due to excessive stocking density, or
-
Detailed Guide to Intercropping Oyster Mushrooms in Rice Fields
During the growth and development of rice, intercropping oyster mushrooms using the spaces between rice rows and the special conditions under the shade of rice clumps can provide suitable temperature and humidity conditions for the growth of oyster mushrooms (large temperature difference between day and night, good shading, sufficient scattered light, etc.), enabling high yields of oyster mushrooms, filling the market off-season when few mushrooms are available in summer, enriching summer vegetable varieties, and increasing rice farmers' income. I. Crop rotation arrangement and field plot design: Rice varieties should be selected with strong lodging resistance, tall plants, thick stalks, and resistance to rice planthoppers. Sowing in late May, transplanting in late June, with a density where
-
Good results with 30% Aimiao EC on rice
Sheath blight, rice kernel smut, rice false smut and brown sheath rot, among other diseases commonly occurring on rice, have the characteristic of explosive epidemics; once a major epidemic breaks out, it causes severe losses in rice yield, affecting both yield and rice quality. There are many pesticides used in production to control the above rice diseases, but according to our trials, applying 30% Aimiao EC on rice can both ensure disease control efficacy and increase rice yield and improve rice quality. Good disease control efficacy 30% Aimiao EC is compounded from propiconazole and difenocon
-
Detailed Introduction to the Rice Variety 80 You 121
Characteristics and Traits: This combination is a hybrid medium japonica rice. In the 1993 and 1994 regional trials in Anhui Province, the average yield per mu was 555.35 kg, an increase of 13.37% over the control C012. The brown rice rate is 85%, the milled rice rate is 76.4%, the head rice rate is 74.6%, and the amylose content is 14.8%. It has good quality and excellent eating taste. Artificial inoculation identification shows resistance to rice blast and moderate resistance to bacterial leaf blight and brown planthopper. Breeder: Rice Research Institute, Anhui Academy of Agricultural Sciences. Suitable regions and techniques: suitable for cultivation as oilseed rape (wheat) stubble medium rice in the Huai River and Huaibei rice regions of Anhui, Jiangsu, Henan, Hubei and other provinces, and can also be planted as melon and vegetable late rice along the Yangtze River and in Jiangnan.
-
Introduction to Rice Variety 80 You 151
(1) Variety source: This variety was developed by the Jiangyou City Rice Research Institute by crossing Jiangyu 80A with Jianghui 151. (2) Characteristics: The full growth period is 147.5 days, 1.3 days longer than the control; plant height is 113.1 cm; seedling vigor is strong; tillering ability and panicle-setting rate are comparable to the control; leaf sheath and apiculus are colorless. Panicle length is 24.6 cm; grains per panicle: 156.4; seed-setting rate 78.38%; 1000-grain weight 29.6 g. Processing and appearance quality are superior to the control, and resistance to rice blast is stronger than the control.
-
Rice Pesticide Registration Certificate No. 88-39-4 Information Overview
Excellent variety in the rice regional trial of rice-growing areas. 88-39-4 is a conventional japonica rice variety bred by the Institute of Agricultural Sciences of Changshu City, Jiangsu. Characteristics: In 1998, it participated in the national southern rice region double-season late japonica group regional trial, with an average yield of 7208.9 kg/hm2, 9.6% higher than the control Xiushui 11, extremely significant, ranking first; in the 1999 continued trial, the average yield was 7157.9 kg/hm2, 2.22% higher than the control Xiushui 11, not significant, and 3.12% lower than Xiushui 63, not significant, ranking seventh
-
Detailed Explanation of Key Points for Rice Field Management in August
I. Apply rice field herbicides at the right time. To eliminate weeds in the rice field, rice field herbicides should be applied at the right time. This saves labor (no need for intercultivation) and money (about 2 yuan per mu for chemicals), and can also resolve the conflict of weeds competing with rice seedlings for fertilizer and light, which restricts the normal growth and development of rice seedlings. The specific method is: 5-7 days after transplanting, use 20 grams of Caodaolong or 60-100 grams of Dingbian per mu, mixed with urea (combined with topdressing), fine sand or dry mud powder 30-40 jin, and broadcast after the dew has dried, maintaining a shallow water layer for 4-5 days. II. Achieve scientific fertilization. Late rice in our province
-
A Detailed Explanation of 8 Advanced Rice Transplanting Methods
1. Improved intensive cultivation: Transplant young seedlings early at the 3-leaf to 4-leaf 1-heart stage. Fields with a good water source should be planted early, while fields with a poor water source can be planted slightly later. Both dry-raised seedlings and water-raised seedlings are suitable, but in all cases sufficient basal fertilizer should be applied, the soil should be deeply plowed and harrowed level, strong seedlings should be selected as much as possible, and transplanting should be done in shallow water; both row spacing and hill spacing are 1 chi 3 cun, with three single plants per hill spaced 3 cun apart in a triangular arrangement. This transplanting method has density within sparseness and sparseness within density, reducing competition among plants for nutrients and sunlight to the greatest extent, which is beneficial to the individual development of the plants and can therefore greatly increase yield. It is the most advocated transplanting method today.
-
Introduction to rice variety 95xw-67
Characteristics 5xw-67 is a conventional rice variety bred by the Crop Research Institute of the Ningxia Academy of Agriculture and Forestry Sciences. It participated in the National Northern Rice Regional Trial from 2000 to 2001. In the 2000 preliminary trial, the average yield was 692.0 kg/667 sq m, an 11.4% increase over the control Qiuguang, not significant. In the 2001 continued trial, the average yield was 692.3 kg/667 sq m, an 8.7% increase over the control Qiuguang, reaching a significant level. In the 2001 production trial, the average yield was 704.5 kg/667 sq m, an 18.7% increase over the control Qiuguang. The average whole growth period over the two years of regional trials was 154.7 days, 3.2 days later maturing than the control. Plant height 105.5 cm, total grains per panicle 134.4, filled grain rate 84.4%, 1000-grain weight 26.7 g. Seedling blast grade 3, leaf blast grade 0, panicle blast rate 0%-46%. Head rice rate 57.1%-56.6%, chalky grain rate 66%-46%, chalkiness degree 7.3%-4.6%, amylose content 16.2%-18.7%, gel consistency 81-90 mm. After two years of regional trials and one year of production trial, this variety showed a moderate maturity period, good yield performance, resistance to seedling blast and leaf blast, susceptibility to panicle blast, and medium grain quality.
条件筛选