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Causes of the 1999 yield reduction of Jin jujube in Ning County and the solutions
Jin jujube cultivation in Ning County, Gansu Province is concentrated in Zaosheng Town. In 1999, the bearing area was 100 hectares, with a total yield of 212.5 tons, which was 22.3 tons less than the average over the years, a reduction of 12.5%, making it a year with relatively poor yield in history. I. Causes of the Jin jujube yield reduction 1. Severe jujube witches' broom disease: According to a survey conducted in Xinzhuang Village, Zaosheng Town, Ning County, before 1997 the rate of diseased plants of jujube witches' broom accounted for 3.98% of the total number of trees, and all diseased trees were fruit-bearing trees. By 1999, the number of trees with jujube witches' broom had risen to 1387, accounting for 10.05% of the total
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Correct preparation and use of fish body disinfectant solutions
1. Bleaching powder solution: prepare at a concentration of 1 gram of bleaching powder per 100 kg of water. At a water temperature of 10-15°C, soak the fish for 15-30 minutes; this has a good effect on preventing bacterial fish diseases. 2. Copper sulfate solution: prepare at a concentration of 0.8 grams of copper sulfate per 100 kg of water. At a water temperature below 15°C, soak the fish for 20-30 minutes; this can kill various parasites such as gill trichodinids, trichodinids, and chilodonella. 3. Potassium permanganate solution: prepare at a concentration of 1 gram of potassium permanganate per 50 kg of water.
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What to Do When Dracaena Leaves Turn Yellow? Causes and Solutions
Dracaena likes warm, humid and sunny environments, but it can also tolerate shade. However, when grown indoors, if it is placed in too shady an environment for a long time, the leaves will also fade. So it is best to put the pot on a windowsill facing southeast, so that it fully receives sunlight
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What to Do When the Leaves of the Ping'an Tree Droop and Dry Up? Causes and Solutions
Analysis of the causes of drooping leaves on the Ping'an tree (Cinnamomum kotoense) and how to deal with them: sprinkle a little water on the leaves, then cover the plant with plastic wrap from the bottom upward, sealing the top; it will recover in a day or two. The main cause is temperature that is too low, followed by lack of watering. Some flower enthusiasts have shared that this is how they dealt with it. Leaf drop is due to a lack of trace elements.
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What to Do When Desert Rose Leaves Turn Yellow? Causes and Solutions
In botany, the desert rose is also known as Tianbao flower (Adenium obesum). It is a succulent plant that prefers high temperatures, dry conditions and a sunny environment. It tolerates extreme heat but not cold. It gets the name desert rose because its place of origin is close to the desert and its flowers are red like roses. In mineralogy, desert rose is a kind of gypsum crystal, born in the desert, shaped like a blooming rose.
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Why Is My Peace Tree Dropping Leaves? Causes and Solutions
The Peace Tree is an elegant name for Cinnamomum kotoense (Lanyu cinnamon). It gives off a fragrance that corrects unpleasant odors and purifies the air, and sellers gave it an auspicious name, Peace Tree. The Peace Tree symbolizes good fortune, peace and wish-fulfillment, and a happy life.
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What to do if the second flush of mushrooms does not appear? Causes and solutions
Normally, after the first flush of mushrooms is harvested, the second flush will begin to appear in about 10 days. In some cases, no mushrooms appear for a long time. The main reasons are, first, a high yield in the first flush and too long a growing period, causing a serious shortage of water content in the growing medium; second, temperature that is too low or too high, affecting the timing and yield of the next flush. The solution is to soak the growing medium bags in clean water for 1-2 hours, adding to the water 1% white sugar, 0.3% potassium dihydrogen phosphate, 0.5%-1% magnesium sulfate, 0.1% urea, and 0.1% zinc sulfate
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What to Do When Wheat Seedlings Show Abnormal Leaf Color? A Full Analysis of Causes and Solutions
After wheat is sown and the seedlings emerge, various abnormal discolored seedlings often form due to the influence of natural conditions and cultivation practices. To make it easier to manage according to the specific seedling condition and the specific cause, they are introduced separately below: Yellow-leaf seedlings - the causes of yellowing of wheat leaves. First, soil drought. This situation mostly occurs in wheat fields with insufficient subsoil moisture or where moisture escapes through cracks. Its characteristics are: tillers emerge slowly, leaf color is grayish green, the central leaf is short and small, growth is slow or stagnant (people call this "shrunken-heart seedlings"), the middle and lower leaves gradually turn yellow and dry up, and roots are few and fine. Management
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How to Grow Ranunculus asiaticus (Persian Buttercup) and Solutions for Root Rot
Do you like growing ranunculus? Many gardening enthusiasts say that ranunculus is very difficult to grow and prone to root rot. Let's take a look below at how to solve these problems properly. We'll teach you how to become an expert at growing ranunculus. Ranunculus is relatively difficult to grow, and root rot can occur before it even sprouts.
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