-
Selection and Training Methods for Peach Orchard Tree Structure
In northern China, peach cultivation is mainly based on the three-main-branch cup-shaped open-center form, with each main branch usually bearing 1 or 3 large secondary branches, at a height varying from 30-70 cm, scaffold branch angles of 30-80°, and tree height varying from 2-4 m; planting methods are also not uniform. Overall, there is a lack of relatively appropriate standards. In recent years, the author investigated peach orchards in Pinggu and in Mancheng, Laoting, and other places in Hebei, and offers the following views on peach orchard tree structure for reference. 1 Selection of peach orchard tree structure 1.1 Planting method
-
What are the key points of the training technique for Schisandra chinensis?
The vines of Schisandra chinensis are soft and cannot stand upright; they need to attach to a support and twine upward to grow. Therefore, its training work includes two tasks: setting up supports and pruning. (1) Setting up supports In the year of planting, Schisandra chinensis shows considerable variation in growth amount. Under conditions of poor seedling quality and poor management, plant height generally reaches only 50-60 cm, but after stumping pruning, the average growth height in the second year can reach more than 150 cm, and by the third year it can cover the trellis surface. So generally, supports can be set up in the spring of the second year (early to mid-May).
-
Schisandra Pruning and Training Methods and Key Technical Points
The principles of training and pruning are: keep strong main vines to ensure rational use of space; remove old canes and keep few; keep medium and long branches, remove short branches and basal branches; remove diseased, weak, overcrowded and senescent branches. (1) Trunk heading: after transplanting, the trunk must be headed. The standard for trunk heading is: select and keep 2-3 plump buds, and cut back at 3-5 cm from the ground diameter. The time for trunk heading is the following spring, after the snow melts and before the plant begins to grow. After the plant sprouts, keep 2 strong vines, and no more than 3. After trunk heading, use 2 strands of acrylic wool, tie one end together and fasten it to a wooden stick about 10 cm long,
-
Pietrain Pig Breed Characteristics and Farming Introduction
The Pietrain pig originates from Belgium. Its body is square-shaped, wide and short, with fine bones and short limbs, and particularly well-developed muscles. Its coat is grayish-white with black patches, and its ears are medium-sized and tilted forward. The average litter size is about 10 piglets. It is reported that at 90 kg body weight, growing-finishing pigs have a carcass lean meat percentage of 66.9%, a daily weight gain of 700 grams, and a feed conversion ratio of 2.65. For commercial meat pigs, the growth rate decreases significantly after 90 kg. Pietrain pigs have severe stress reactions, and about 50% of pigs carry the halothane recessive gene. When purebred Pietrain is used as the sire for crossbreeding, pale soft exudative meat (
-
Introduction to the Ganoderma New Strain Satellite No. 2 Variety
"Satellite No. 2 Ganoderma" was sent into space aboard China's recoverable satellite launched as "961020" for a 15-day journey, where it was exposed to large doses of ultraviolet radiation and weightlessness in the cosmos, thereby producing genetic mutations; after screening and cultivation trials, a new high-quality, high-yield Ganoderma strain was selected. Compared with a Ganoderma strain that was not carried into space (the control strain), "Satellite No. 2" can increase fruiting body yield by 75.3%, its high-quality product rate reaches 88.9%, its average fermentation rate is 2.57%, and its cellulase activity
-
Correct methods and steps for training a dog to put its paw up
When teaching this exercise, still use a short leash to tie it, point to a chair, small table or small box and say: "Put your paw up here." It may jump up; if so, use the leash to hold it back and help it place its front paws up, and command it: "Stay." If it puts its front paws on the box and tries its best to sit down, teach it the correct posture. When it does well, praise it with "Good" and feed it a tasty treat as a reward. Now add the word "box" to the command, command it to put its paws on the box, and later you can give it
-
Detailed Explanation of Key Points of Goji Berry Training and Pruning Techniques
For goji berries to be highly productive, a good tree shape must first be developed. Goji berries have strong branching ability and vigorous growth, and have the characteristic of flowering and fruiting twice each year. If management is poor and training and pruning are improper, not only will the yield of the current year be affected, but the tree vigor will also age prematurely. Therefore, reasonable training and pruning are an important measure for high and stable yields of goji berries. 1. Training The goji berry tree shape should be pruned and retained into an umbrella-shaped round form that is large at the top and small at the bottom, with 3 layers of fruiting branch groups. In the first year after planting and survival, the goji berry is headed back in early spring at about 60cm above the ground to determine the trunk, and within 10-20cm below the cut, select 3-5 evenly distributed new lateral branches as the main branches of the fifth layer of the canopy.
-
What tree shapes are suitable for almond? Key points of training and pruning techniques
According to the light-loving characteristics of almond, adopting a tree shape with an open canopy and good ventilation and light penetration makes it easy to obtain high yields. Suitable tree shapes include the round-headed shape, the tiered shape, the cup shape and the natural open-center shape, among which the natural open-center shape is used more often. After the young seedlings are planted, the trunk is headed at 60-100 cm. If the planted seedlings already have branches but these cannot be used as main branches, keep a few buds at the base of these branches and carry out relatively heavy renewal pruning; in the spring of the 2nd year, when the new shoots reach about 10 cm in length, select and retain 3
-
Detailed Explanation of the Trunk-Tiered Training and Pruning Method for Goji Berry
Goji berry, also known as West goji, mountain goji, white thorn needle, and goji thorn, is a plant of the Solanaceae family. In Ningxia, the goji fruit is used as medicine and called "goji berry," while the root bark is called "digupi" in traditional Chinese medicine. Goji berry has the function of nourishing the liver and kidneys and improving eyesight, while digupi has the function of removing dampness and cooling the blood. Goji berry is mainly produced in Ningxia, and is also produced in Hebei, Gansu, Qinghai, Inner Mongolia, Shaanxi and other places. It is a precious medicinal material famous at home and abroad. Goji berry has strong branching ability and vigorous growth, with a habit of flowering and fruiting twice a year, and grows quickly. After 5a it can enter the full
-
Detailed Explanation of the Key Points of Goji Berry Training and Pruning Techniques
To achieve high yields in goji berries, the first step is to cultivate a good tree shape. Goji berries have strong branching ability and vigorous growth, and have the characteristic of flowering and fruiting twice each year. If management is poor and training and pruning are improper, it will not only affect the yield of the current year, but also cause the tree vigor to age prematurely. Therefore, reasonable training and pruning are an important measure for high and stable yields in goji berries. 1. Training The goji berry tree shape should be pruned and retained into an umbrella-shaped circle that is large at the top and small at the bottom, with 3 layers of fruiting branch groups. In the first year, the successfully established goji berry is cut at the top about 60 cm above the ground in early spring to establish the trunk, and 10 to 2 below the cut
条件筛选