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Codonopsis pilosula 8917-2 Variety Introduction
8917-2 is a new Codonopsis pilosula line in China developed through crossbreeding by the Dryland Agriculture Research Institute of Dingxi Prefecture, Gansu Province. It shows strong advantages such as high and stable yield, drought and cold resistance, and wide adaptability. It increases yield by 20%-30% compared with Shanxi Ludang Codonopsis and Gansu Baitiao Codonopsis, producing 150-200 kg of dried product per 667 sq m, with the highest reaching 250 kg. The key points of its seedling raising and cultivation techniques are briefly introduced as follows. 1. Seedling raising The seedling field should be finely cultivated and fully applied with base fertilizer. Apply 2,500 kg of decomposed farmyard manure per 667 sq m, additionally apply 100 kg of cake fertilizer
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Introduction to the Gansu Codonopsis variety 92-02
Gansu Codonopsis 92-02 is a new Codonopsis variety jointly bred by the Dingxi Dryland Agriculture Research and Extension Center of Gansu Province, the Weiyuan County Science and Technology Bureau, and the Agricultural Extension Center and other units, using the mass selection method over many years according to breeding procedures. The variety passed provincial appraisal and acceptance in 2004, with the achievement level reaching domestic advanced standards, and won the second prize of the Dingxi Municipal Science and Technology Progress Award in 2006. Its variety characteristics are as follows: 1. Characteristics and traits. The variety has a full growth period of 540 d, a plant height of about 150 cm, a green main stem, pale yellow
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Introduction to the Content Determination Method for Aminophylline Tablets
Anhydrous theophylline - Take 20 tablets of this product, weigh accurately, grind finely, weigh accurately an appropriate amount (approximately equivalent to 100 mg of aminophylline), place in a 200 ml volumetric flask, add 20 ml of 0.1 mol/L sodium hydroxide solution and 60 ml of water, shake for 10 minutes to dissolve the aminophylline, dilute to volume with water, mix well; filter, accurately measure 5 ml of the subsequent filtrate, place in a 250 ml volumetric flask, dilute to volume with 0.01 mol/L sodium hydroxide solution, mix well, and follow the spectrophotometric method (Appendix page 17)
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Introduction to the Chu Ye Qi No. 12 tea tree variety
It belongs to the clonal propagation line. It is a national-level improved variety. It was bred by the Hunan Tea Research Institute. It has now been promoted to provinces including Hubei and Anhui. Morphological characteristics: shrub type, medium-leaf, medium-bud variety. The tree posture is semi-open; spring buds germinate in mid-to-late March; the peak period of one bud and three leaves is in early-to-mid April; the weight of 100 buds is 70 grams. The young shoots are green-yellow with abundant fine hairs. It has strong tenderness retention and is suitable for making famous green tea; the appearance is tight and compact, with silvery tips visible, a jade-like moist color, rich aroma and mellow taste. Quality characteristics of fresh leaves of one bud and two leaves: tea polyphenols 36.1%, amino acids 3.
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Characteristics of the Fuding Damao Tea Cultivar and an Introduction to the Tea Types It Is Suitable For Processing
It belongs to the clonal propagation line. It is a national-level improved cultivar. It originates from Fuding County, Fujian Province. It has a cultivation history of one hundred years to date. It has been introduced and cultivated in Zhejiang, Jiangsu, Jiangxi, Hubei, Anhui and other provinces. It is one of the high-yield, high-quality cultivars suitable for growing in low-hill red soil. Morphological characteristics: small tree type, large-leaf, early-budding cultivar. The plant is relatively tall and upright, with plump buds and leaves covered in abundant silvery-white downy hairs, and strong tenderness retention. Spring buds sprout in mid-March, and the peak period of one bud and three leaves is in early April, with a hundred-bud weight of 104 grams. It can be processed into famous teas of different appearances. It is not only a premium raw material for processing "
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How to quickly remove odor from pig pens? Introduction to practical methods
Methods to quickly remove odor from pig pens
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How to Propagate Cherries? Detailed Introduction to Common Methods
How Should Cherries Be Propagated
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A detailed introduction to several propagation methods for lotus root
Several propagation methods for lotus root
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How to treat necrotic dermatitis in pigs? Introduction to treatment methods
Epidemiological characteristics: Necrotic dermatitis in pigs, caused by Fusobacterium necrophorum, is highly contagious. In the hot and humid season each year, piglets, growing pigs, boars and sows are all susceptible to this disease. It often affects the whole litter and the whole herd, with piglets and sows infecting each other, but sows infect piglets more often. At the beginning of the disease, systemic symptoms are not obvious; in severe cases, body temperature rises, appetite is reduced or completely lost, and the animal becomes emaciated, often dying from cachexia, causing considerable harm to the pig industry. Disease characteristics: First, rice-grain-sized red papules appear on the skin surface, often with itching; the papules then develop
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Introduction to Common Drugs for Farmed Fish, Part Two
This article continues to introduce the commonly used disinfecting and sterilizing drugs bleaching powder concentrate, dichloroisocyanurate, trichloroisocyanurate and chlorine dioxide. (2) Bleaching powder concentrate [Properties] Bleaching powder concentrate is a white powder with a chlorine odor, easily soluble in water with a small amount of sediment. It contains few impurities. It is relatively stable and not easily decomposed by moisture. Its aqueous solution is alkaline. The active ingredient of bleaching powder concentrate is the same as that of bleaching powder, with available chlorine content reaching 60-65%, more than twice that of bleaching powder. [Action] Bleaching powder concentrate is also a broad-spectrum disinfectant, with the same mechanism of action as bleaching powder. It also produces
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