-
Seven key techniques for achieving full stands in cotton planting
For cotton to achieve high yield, the foremost condition is to secure a full stand, and the process of achieving a full stand is also a multi-step process; a slight carelessness in any single step may affect the full stand from one sowing. In this regard, cotton farmers are reminded to pay attention to the following six key steps
-
Four key techniques to grasp in the management of cotton during the boll-opening stage
Grasp the "four key techniques" in cotton management during the boll-opening stage (skillfully manage fertilizer and water, skillfully prune, skillfully pick rotten bolls, skillfully promote ripening). 1. Skillfully manage fertilizer and water to promote nutrient transport. First, foliar topdressing. For cotton fields where leaves lose green too early and show premature aging due to nutrient deficiency, spray 50-60 kg per mu of 1%-2% urea solution onto the leaves to extend the functional period of the leaves. For cotton fields that grow too vigorously and show late maturity with excessive vegetative growth, foliar spray 0.2% potassium dihydrogen phosphate solution or 0.3% superphosphate soaking liquid to promote nutrient transport and help improve boll opening. Second, prevent autumn drought.
-
What are the key management techniques for cotton during the flowering and boll stage?
Cotton enters the flowering stage in early July, and the period from late August to early September when bolls open is the flowering and boll stage. The flowering and boll stage is the period of most vigorous cotton growth and development, and also the key period that determines yield. This year, due to higher temperatures, cotton growth and development has generally been faster, which
-
Key Field Management Techniques for Cotton During the Squaring Stage
Currently, cotton in Shache County is about to enter the squaring stage. All townships must attach great importance to field management of cotton fields during the bud and boll stage, and specifically provide technical guidance focused on fertilizer and water management, intertillage and weeding, and chemical regulation. 1. Prepare for the first watering. Conventional irrigated land should be intertilled, weeded, and have the film removed before the first watering
-
How to Fertilize Tea Plants Reasonably? Detailed Methods and Techniques
Fertilizer is the food for tea plant growth and the material basis for increasing tea yield and improving quality. Therefore, fertilization plays an important role in the growth of tea plants as well as the yield and quality of tea. Good fertilization techniques can maximize the yield-increasing effect of fertilization, maintain
-
Key Management Techniques for Summer Soybean in the Mid-to-Late Growth Stage
Compared with corn and cotton, soybean requires less labor, less investment and lower cost during its growth period, which is a major advantage of the summer soybean crop, but for soybean to achieve high yield, mid-to-late stage management is the key. During the flowering and pod-setting stage, vegetative growth and reproductive growth proceed together, which is
-
Key Points of Shaping and Pruning Techniques for Schisandra chinensis Cultivation
The vines of Schisandra chinensis are soft and cannot stand upright, so they need to attach to a support and twine upward to grow. Therefore, its shaping work includes two tasks: setting up supports and pruning. (I) Setting up supports The growth amount of Schisandra chinensis in the year of planting varies greatly. 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. Therefore, supports can generally be set up in the spring of the second year (early to mid-May). Supports can use trellis poles and sun-resistant polyethylene rope. Bamboo poles are often chosen as trellis poles. Bamboo poles are 2.0-2.2 m long, with a top diameter of 1.5-2.0 cm; sun-resistant polyethylene rope with a thickness of 3×15 strands is more suitable, with the upper end fixed to the first iron wire at the top. According to the plant spacing, 1-2 poles per plant. When the plant spacing is less than 50 cm, one pole can be set per plant, placed about 5 cm beside the plant; when greater than 50 cm, two poles per plant, evenly inserted or fixed on both sides of the plant. The part of the bamboo pole entering the soil is best coated with asphalt to extend its service life. The trellis poles are fixed to the three trellis wires with thin iron wire. In a Schisandra chinensis orchard with good seedling quality and management, the plant can reach a growth height of about 2 m in the same year, so supports should be set up in late May of the planting year to facilitate rapid plant growth.</p><p>(II) Shaping</p><p>The purpose of shaping Schisandra chinensis is, through artificial intervention and induction, to make it grow and develop according to the grower's requirements, so as to fully use the trellis space, effectively use light energy, reasonably retain vines, regulate the relationship between vegetative growth and reproductive growth, and cultivate robust and long-lived plants, so that they adapt to climatic conditions and facilitate farming, pest and disease control, pruning, and harvesting operations, thereby achieving the goals of high yield, stable yield, and high quality.</p><p>The tree form commonly used for Schisandra chinensis is a training method with one group or two groups of main vines, that is, each plant retains 1 group or 2 groups of main vines, which are respectively twined on evenly arranged supports. On each support, 1-2 fixed main vines are retained. Lateral vines and fruiting mother branches grow on the main vines. The spacing between each fruiting mother branch is 15-20 cm, evenly distributed. Fruiting branches and vegetative branches grow on the fruiting mother branches, as shown in Figure 5-3. The advantages of this shaping method are that the tree structure is relatively simple, and the shaping and pruning techniques are easy to master; cultivation can be carried out between plants and rows, making weed control convenient; the plant volume and load are small, and the requirements for soil, fertilizer, and water conditions are less strict. However, because the plant is relatively upright, it is prone to forming a situation of strong upper growth and weak lower growth, with the fruiting position moving upward, so control needs to be strengthened.</p><p>Each tree generally needs 3 years to form its tree shape. During the shaping process, special attention should be paid to the selection and retention of main vines. Branches with strong growth vigor, full growth, and plump buds should be selected as main vines. The number of main vines in each group must be strictly controlled. Too many main vines will cause adverse consequences such as weakened tree vigor and chaotic retention of branch groups.</p>
-
Detailed Explanation of Key Points on Seed Sowing and Seedling Raising Techniques for Schisandra chinensis
1 Seed collection After late July, seed selection can begin in artificially cultivated gardens. The selection standard is to designate fruit-bearing trees with clusters longer than 8 cm, average berry weight above 0.5 g, and early berry coloring as seed collection trees. Harvest the fruit in mid-to-late September, pile and ferment for a few days, then select by water, skimming off shriveled
-
Detailed Explanation of Artificial Breeding Techniques for Schisandra chinensis Cultivation
The special medical and health-care effects of the Chinese medicinal herb Schisandra chinensis are increasingly favored by people. However, the breeding and seedling cultivation of Schisandra chinensis is a difficult problem. The Schisandra chinensis improved variety breeding base in Kuandian County, Liaoning Province, used wild Schisandra chinensis to cultivate excellent new varieties of Schisandra chinensis. Its method is
-
How to Grow Coptis chinensis for High Quality? Detailed Key Points of Cultivation Techniques
I. Growth Habits Coptis chinensis prefers cold, high-altitude cool environments, likes shade and moisture, and dislikes direct strong light, high temperatures and dryness. In the wild it is mostly found in high mountain areas at altitudes of 1200-1800 m; for cultivation, areas at altitudes of 1400-1700 m should be chosen. The temperature range for normal plant growth is 8-34 degC; below 8 degC or low
条件筛选