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How to prune cherry trees? Common methods for courtyard planting
1. Heading back. Cutting off part of a 1-year-old branch is called heading back. According to the degree of heading back, it can be divided into light heading, moderate heading, heavy heading and very heavy heading. (1) Light heading. That is, cutting off less than 1/3 of the total length of the branch. On young trees, light heading is used more often, which can ease the growth vigor and help bear fruit earlier.
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Wheat blossom midge can be controlled by broadcasting pesticide-treated soil at the booting stage
The wheat blossom midge overwinters as mature larvae in round cocoons in deep soil and can remain dormant for many years. In spring, when the soil temperature at 10 cm rises to about 7°C, which is when wheat begins jointing, the larvae break out of their cocoons and move toward the soil surface. In mid-April, wheat enters the booting stage, and the larvae
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How to prevent and control rice purple sheath disease? Practical methods and key technical points
Symptoms After rice heading, dense pinhead-sized purple dots appear on the leaf sheath of the flag leaf, then gradually spread to most of the leaf sheath or the entire leaf sheath turns purplish-brown, especially obvious on the outer wall of the leaf sheath, sometimes infecting the inner wall or reaching deep into the stem. In severe cases, the flag leaf dies 7-10 days early.
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Control Methods for the Small Brown Planthopper at the Rice Heading Stage
The small brown planthopper (Laodelphax striatellus) not only transmits viruses that cause rice viral diseases such as rice stripe virus disease, but also congregates on the panicles to cause damage during the heading stage of late rice. To clarify the control efficacy of pymetrozine and other pesticides against the small brown planthopper at the heading stage of late rice and the application techniques, Cheng Qinhai and others from the Plant Protection Station of Haining City, Zhejiang Province, conducted field
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Detailed Explanation of Key Techniques for Growing Cabbage in Greenhouses
First treat disease-resistant, early-heading seeds with warm water or chemicals, then sow them in nutrient pots. Transplant in a timely manner after seedlings emerge. When transplanting, apply fertilizer and form ridges, and add a small arch tunnel inside the greenhouse. Finally, just carry out watering, fertilizing, and pest and disease control.
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Rice Heading Difficulty: Full Analysis of Causes and Solutions
We are all familiar with rice; it is the staple food for one third of the world's population, and its yield is tied to our survival. However, during cultivation, difficulty in heading can occur, severely affecting rice yield. So what causes difficulty in heading in rice?
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A Detailed Guide to the Latest Management Methods for Rice at the Full Heading Stage
Rice is the staple food of southern China and one of the most important economic crops, with a very wide planting area in our country. Dr. Yuan Longping even developed hybrid rice, solving the food and clothing problem for nearly half of our country's population. Rice cultivation has also received more and more attention
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Latest Rice Management Techniques and Methods During the Heading and Flowering Stage Tutorial
The heading and flowering stage of rice is the most critical period in rice growth. It is related to the yield and quality of rice. If management is improper at this time, it may cause reduced yield or total crop failure. So how should rice be managed during the heading and flowering stage? Come to Qinnong Network to see rice heading
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A Detailed Explanation of the Causes of Early Heading in Rice and the Control Methods
When growing rice, the phenomenon of early heading in rice can occur. So-called early heading in rice refers to the phenomenon in which the young panicle of the rice main stem begins to differentiate or form during the seedling stage, and then heading occurs too early after transplanting. This causes the rice plant type to decrease markedly, the rice panicle to shrink
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Key Field Management Techniques for Rice During the Heading and Grain-Filling Stage
The heading and grain-filling stage of rice refers to the period from heading to grain maturity. Generally, early-maturing varieties require about 25-30 days, medium-maturing varieties require 30-35 days, and late-maturing varieties require about 40-45 days. The growth characteristics and appearance during the heading and grain-filling stage: 1. Growth characteristics. During this period, leaf growth stops
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