-
How to Propagate Jasmine? A Detailed Guide to Common Propagation Methods
1. Layering propagation. Layering propagation uses shoots that sprout from the lower part of the jasmine plant or branch tips of a certain length; a middle section is pressed into the soil so that it develops new roots, and after being cut from the mother branch it becomes an independent new plant. The prerequisite is that there must be a mother jasmine plant, and each clump of mother plants can produce only a few layers, which cannot meet the demand for a large supply of seedlings; it is generally used for potted plants and filling gaps in beds. 2. Division propagation. Jasmine is a clumping shrub, and its rhizome area can produce many adventitious roots. Plants more than two years old often have several stems and branches, and these rooted stems can be
-
A Detailed Explanation of 6 Common Life Habits of Dogs
Dogs Judge People by Appearance Dogs were originally social animals that respected their leaders and worked hard to protect their companions. After entering human life, they obey the head of the household: the female owner feeds and cares for them, and children play with them; the male owner, who spends the least time at home, instead inspires their awe. Conversely, if the female owner is more authoritative and leads the whole family, the dog will also obey her completely. It fears, even dreads, those taller than itself, while toward dogs of the same height or smaller, it instead feels curiosity and develops a strong desire to protect them. Therefore
-
Common field planting patterns for intercropping cotton with potatoes
The cotton-potato intercropping pattern is widely used in northern Jiangsu; the two crops have a short symbiotic period, little mutual influence during that period, and a complementary effect in fertilizer use. The ample fertilizer and water in the field during the late growth stage of potatoes favor cotton seedling development, allowing a double high yield of both cotton and potatoes. Generally, potatoes yield 2000-2500 kg per mu and cotton yields 80-100 kg per mu, with an output value of 2500-3000 yuan per mu and a net income of 1500-2000 yuan. The bed is generally about 3 m wide, and cotton is planted in wide and narrow rows, with wide rows 150 cm apart and narrow rows
-
What are the common problems in dryland rice cultivation?
1. How to grow enough rice seedlings under drought and water shortage conditions. The whole year's success lies in spring. This vividly and profoundly illustrates the importance of seedling raising in the whole year's production. Under this year's special conditions, growing enough seedlings is the key measure to win the battle against drought and secure a bumper harvest. To grow enough rice seedlings under drought and water shortage conditions, the first thing is to determine the seedling raising method according to local conditions, and the second is to implement the seedling raising technical measures. When determining the seedling raising method, there are three approaches to choose from for reference: first, in places where water can be obtained locally, promote
-
How to prevent and treat common diseases in ayu (sweetfish) farming?
I. Vibriosis 1. Pathogen: mainly Vibrio anguillarum. 2. Symptoms: depending on the species of Vibrio infecting the fish, it can be roughly divided into three types: yellow-liver type, pointed-intestine type and ulcerative type. Sick fish swim weakly, have darkened body color, protruding eyeballs and skin hemorrhages that in severe cases extend deep into the muscle layer; there is congestion and then ulceration on the inner surface of the operculum, the base of the fins and the tip of the snout; the anus is red and swollen; the gills are pale; the liver of sick fish is enlarged, in some cases entirely faded to a yellowish-earth color, in others partially faded and congested; blister-like structures filled with bloody fluid appear in the liver of sick fish; the gallbladder is enlarged, and the
-
Detailed Introduction to the Classification and Common Varieties of Softshell Turtles
Introduction to the Classification and Common Varieties of Softshell Turtles With the improvement of people's living standards and the growth of market demand at home and abroad, softshell turtles have gradually moved from hotels, restaurants and eateries into ordinary households. As a nutritious food, softshell turtles' dietary therapy and medicinal therapy functions can meet the needs of consumers at different levels. Market demand has stimulated production, and China's softshell turtle farming industry has developed rapidly, with the scale of farming continuously expanding and output increasing accordingly. Large-scale farming urgently needs a large number of softshell turtle hatchlings. Due to the rapid development, the breeding of seedlings, the classification, distribution and basic biological research of softshell turtles, as well as hatchling cultivation, species identification and disease prevention in farming production, cannot adapt to the needs of production development. Aquaculture operators and merchants in our province have purchased many softshell turtle hatchlings through different channels from abroad, Taiwan, China and other provinces in the mainland. Because these hatchlings come from different sources, their seed stock quality is unclear and it is hard to tell the genuine from the fake. Some farmers and aquaculture operators have paid a lot of "tuition fees," causing losses of varying degrees to production. Therefore, studying the classification and common varieties of softshell turtles and breeding superior softshell turtle varieties with good germplasm are urgent issues that must be solved for the sustainable development of the softshell turtle farming industry.
-
Common Disease Prevention and Treatment Methods and Key Technical Points for Fish and Crabs
I. Grass carp hemorrhagic disease. Symptoms: bleeding in the fins, mouth cavity, eye sockets, muscles, and intestines, partially or entirely bright red. Prevention and treatment: 1. Broadcast dibromohydantoin or chlorine dioxide over the entire pond, using 200 grams of dibromohydantoin or chlorine dioxide per 1 mu of water surface at a depth of 1 m. Apply once more after 2-3 days. 2. Mix into bait and feed Yu'erkang, mixing 1 kg of Yu'erkang per 50 kg of feed, and feed continuously for three days. 3. Mix into bait and feed Suke, mixing 50 grams of Suke per 50 kg of feed, feeding once a day for three days as one treatment course. If combined with external application of dibromohydantoin,
-
Common pest and disease control methods and key technical points for shiitake mushrooms
During the production of shiitake mushrooms, they are often harmed by pests and diseases. If control is poor, shiitake cultivation can fall into a vicious cycle, causing reduced yields in mild cases or complete cultivation failure in severe cases, so great attention must be paid to this. 1. Trichoderma Trichoderma, also known as green mold, is widely distributed in various plant residues, soil and air. Trichoderma spreads through spores, often using air currents, water droplets, insects, raw materials, tools, and the hands and clothing of operators as media to invade the culture medium, and once conditions are suitable, it germinates and reproduces to cause harm. When the production environment is unclean, the culture material
-
Common pest and disease prevention and control methods for Pleurotus pulmonarius
Pleurotus pulmonarius (also known as small oyster mushroom and Hypsizygus mushroom) gets its name because of its graceful fruit body shape, which is delicate and precious. Pleurotus pulmonarius has a tender texture, low fiber content, excellent mouthfeel, delicious flavor, and rich nutrition. Its protein content is higher than that of button mushrooms, shiitake mushrooms, and straw mushrooms, and 3 to 6 times higher than that of ordinary vegetables. It contains 17 amino acids, and also contains threonine, lysine, homoserine, and others that the human body cannot produce itself and that are usually lacking in food. It is a fungal food that is highly nutritious and low in calories. Long-term consumption has the function of lowering blood pressure and cholesterol
-
A Detailed Guide to Common Pest Control Techniques for Oyster Mushrooms
The common pests of oyster mushrooms include mushroom flies, mushroom gnats, mites, nematodes, springtails, and slugs. They lay eggs in the growing medium, and the larvae breed in the growing medium, harming the mycelium and causing the growing medium to rot. Adults such as noctuid moths also gnaw on oyster mushroom stems and mycelium and spread pathogenic bacteria. In addition, prevention must be done well throughout the entire cultivation and fruiting process. Mice eating mushroom spawn, messing up the bed material, or biting through mushroom log bags are also problems that lead to reduced yields. Preventive measures: pay attention to environmental sanitation. Before growing mushrooms, clean the inside and outside of the mushroom house thoroughly, and spray with formalin, dichlorvos, or pyrethroid pesticides, or fumigate with smoke agents.
条件筛选