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How to reasonably choose the suitable sowing time for wheat?
The suitable sowing time for wheat generally refers to sowing when the average daytime and nighttime temperature in autumn steadily drops to 18-15°C. Within this range, sow semi-winter varieties first, then spring varieties. By making use of the suitable natural conditions such as temperature and light in autumn and winter, strong seedlings can be formed before winter, which is conducive to safe overwintering and improves the tillering and ear-bearing rate and grain weight. Right now is the critical season for wheat sowing, and wheat across the province has begun to be sown from north to south. According to the requirements of different regions and different types of wheat varieties for sowing time, and in response to the issue of suitable wheat sowing time that farmers generally care about, the following suggestions are put forward
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Biotech pigs capable of producing a cerebral thrombosis treatment drug have been successfully bred by South Korean scientists
South Korean scientists have successfully bred "biopigs" that produce a cerebral thrombosis (cerebral hemorrhage) treatment drug through their urine. The South Korean Rural Development Administration recently stated: "By injecting the genetic gene for treating cerebral thrombosis (TPA) into pig fertilized eggs, we successfully bred 4 pigs that can excrete cerebral thrombosis treatment substances through their milk and urine." South Korea has become the world's second country after the United States to breed, through genetic modification, animals capable of producing cerebral thrombosis treatment substances. The United States, in 1997, through genetic modification technology,
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Detailed Explanation of the Variable Temperature Treatment Method for Propagating Yew (Taxus) from Seed
The method for variable temperature treatment in seed propagation of yew is as follows: yew seeds have a double dormancy habit involving the radicle and the hypocotyl. The radicle requires a high-temperature stage above 25°C for about 1 month to break dormancy, while the hypocotyl requires conditions between minus 3°C and minus 20°C for about 1 month to release dormancy. To accelerate seed germination earlier, simply mix yew seeds with cracked seed coats with moist sand, place them in an environment below minus 3°C and freeze them for 25 to 40 days to release the hypocotyl dormancy. After sowing in late winter or early spring,
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The hard-fleshed peach variety Chaoshahong is suitable for cultivation in the Yangtze River Basin
Originally from Shaanxi, average single fruit weight 260g, maximum fruit weight 420g, fruit uniformity good, at maturity 80%-100% of the fruit surface turns bright red. The fruit surface has abundant fuzz, the fruit is round and relatively symmetrical. The flesh is white with 25% red blush, the flesh is firm, the texture is fine, soluble solids 15.2%, the taste is richly sweet with no sourness, aromatic, good quality. Clingstone, no pit splitting, edible rate 92.3%. In the Chongqing area, buds break in early February, full bloom in early March, and the fruit ripens in early June. Does not crack, tolerant of storage and transport, extremely productive.
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Several foliar fertilizers suitable for spraying in the late growth stage of wheat
Spraying foliar fertilizers in the late stage of wheat cultivation can extend the functional period of canopy leaves, promote the transport of photosynthates to the grains, increase the number of filled grains, and raise the thousand-grain weight and quality, generally increasing yield by 5%-10%. The commonly used foliar fertilizers include the following: 1. Yemianbao contains humic acid and trace elements, which can enhance the stress resistance of wheat and supplement trace elements. Spray once each at the booting stage and after heading and flowering, 7-10 milliliters per mu each time, plus 2% urea, diluted in 30 kg of water for spraying. It can generally increase the thousand-grain weight by 1-2 grams and increase yield
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What is the suitable water temperature range for mud carp to grow?
Mud carp has high requirements for the water temperature of its living environment. The optimal temperature required for reproduction is 26-30°C, and the optimal temperature for feeding is 14.6-29.4°C, at which mud carp has a strong appetite. If the water temperature is too high or too low, the feeding intensity will decrease. Mud carp has poor cold resistance, and when the water temperature drops to 6-7°C, it will die in large numbers. Therefore, overwintering and heat preservation measures must be taken when farming mud carp, and the areas where mud carp can be farmed are limited by temperature.
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Analysis of the Characteristics of Legume Vegetables and Their Pesticide Residue Situation
Do you like eating legumes? Do you know whether they have pesticide residues? Inspections have found that the pesticide residue failure rate of legume vegetables such as green beans, peas and common beans is as high as 63%. Among the pesticide residues detected were chlorothalonil and acetamiprid
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Growing environment requirements and suitable cultivation conditions for Pinellia ternata
Pinellia ternata is a shallow-rooted plant that prefers fertile soil, and was originally mostly found growing wild on moist, loose, and fertile sandy loam or humus soil. It prefers a mild, humid climate and a shaded environment, is afraid of drought, and avoids high temperatures. In summer, it is best grown in a semi-shaded, semi-sunny environment; it grows relatively well when soil moisture content is 20%-40%; drought and water shortage easily cause the seedlings to fall over. Generally, with changes in the growing environment, it can fall over 1-3 times a year. For Pinellia ternata, falling over is, on the one hand, an adaptation to adverse conditions, and more importantly, it increases the number of bulbils, that is, it carries out one round of asexual
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The hard-fleshed peach variety 21st Century is suitable for cultivation in the Yangtze River Basin
Originating in Beijing, the average single fruit weight is 240 g, with the largest exceeding 380 g, and the fruit shape is highly uniform; when ripe, 70% of the fruit surface turns rose red. The fruit surface has few hairs, the fruit is round, the flesh is white with red, with 20% red blush, the flesh is extremely firm and fine in texture, the soluble solids content is 15.7%, the taste is richly sweet with no sourness and a slight fragrance, and the quality is excellent. The stone is small, and the edible rate is 93.7%. In the Chongqing area, buds sprout in mid-February, full bloom occurs in early March, and the fruit ripens in mid-to-late July. It is storage- and transport-resistant and high-yielding; in a high-density orchard (222 trees/667 sq m), the third-year
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Detailed Explanation of the Morphological Characteristics and Suitable Growing Environment of Pinellia ternata
[Morphological Characteristics] A perennial herb, 15-30 cm tall. The tuber is spherical or flattened-spherical. Leaves are basal, with long petioles; seedlings have a single leaf that is ovate-cordate, with a pointed tip and entire margin; from the 2nd and 3rd years onward, the leaves are trifoliolate compound leaves, elliptical to lanceolate. On the inner side of the lower part of the petiole, bulbils are produced, which can be used as propagation material. Monoecious; flowers are small and pale green. [Suitable Growing Environment] It prefers moisture and fears drought; it is averse to strong light; it is shade-tolerant and cold-tolerant, and the tubers can overwinter naturally. It is advisable to choose moist, fertile, deep, neutral sandy loam soil.
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