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Detailed Guide to Common Pests and Diseases of Sichuan Pepper and Their Control Methods
Common Pests and Diseases of Sichuan Pepper and Their Control
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Potato watering and fertilizing have their particularities: a detailed explanation of the key points of water and fertilizer management
Key points of water and fertilizer management for potatoes
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Top Ten Anti-Cancer Vegetables and Their Best Varieties
1. Kidney-strengthening plant: okra When it comes to the health benefits of vegetables, the most famous one right now is okra. It bears yellow flowers, and its fruit looks a bit like a chili pepper. Stir-fried in oil, especially with eggs, it is very tasty...
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Detailed Explanation of the Three Fertilizations for Rice and Their Application Techniques
Scientific fertilization is one of the important measures for achieving high quality and high yield in rice. However, rice fertilization is a highly technical task, and in practice it must be flexibly managed according to variety characteristics, soil fertility, climatic factors, and cultivation conditions. As is well known, the fertilizer requirements of rice are expressed in the nutritional period, the critical nutritional period, and the period of maximum nutritional efficiency. For example, early rice has a short growth period and relatively low fertilizer demand, so fertilization should be early and concentrated. Middle rice and late rice have longer growth periods, high fertilizer demand, and strong absorption intensity, so the number of topdressings should be increased and the proportion of topdressing raised.
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Detailed Explanation of Common Rice Diseases and Their Control Methods
Throughout the entire growth period of rice, common diseases include rice blast, bacterial leaf streak, bacterial leaf blight, sheath blight, rice false smut, and others. (1) Rice blast: It can occur from the seedling stage to the heading stage. According to the symptoms shown at different growth stages and on different parts of the plant, it can be divided into 5 types: seedling blast, leaf blast, node blast, panicle blast, and grain blast. 1. Main symptoms (1) Seedling blast: The diseased seedling turns grayish-black at the stem base near the soil surface, and the upper part turns light reddish-brown, causing the entire seedling to curl and die. (2) Leaf blast: On
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Detailed Guide to Identifying Symptoms of Major Potato Diseases and Their Control Methods
I. Late blight. 1. Symptom identification. This disease is a fungal disease that affects stems, leaves and tubers. Affected parts of stems and leaves develop brown water-soaked spots, which later expand into black patches. When humid, a ring of white mold-like growth surrounds the lesions, very obvious on the underside of leaves. After tubers are affected, brown or blue lesions initially form, then expand, and the surface gradually becomes sunken, while the potato flesh beneath the lesion turns brown. 2. Control methods. Selecting disease-resistant varieties is the most economical and effective way to control late blight: such as Wushu No. 8, No. 9, No. 11, Longshu No. 3, No. 5
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Common problems in potato production and their solutions
Zhaosu is located in the northwest border region, at an altitude of 1720-1860 m, with a short frost-free period and a cool mountainous climate. With the adjustment of the industrial structure, potato has become the main crop of our regiment. 1. Existing problems 1. Climatic effects From April to early May 2007, due to high temperatures and dry soil, potato emergence was difficult and seed potatoes shriveled. After emergence, there was abundant rain, causing seed rot and missing plants with gaps in the rows. 2. Poor quality of seed potatoes In 2007, seed potatoes suffered from rot, disease and damage. When cutting seed potatoes, diseased tubers were not strictly removed
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Introduction to Black Purple Potato Varieties and Their Main Characteristics
The tubers are oblong-elliptical in shape, with relatively small eyes. The skin is black-purple and glossy, and the flesh is deep purple. The starch content of the flesh is as high as 13%-15%, with a good taste and excellent quality. According to measurements: every 100 grams of black purple potato contains 2.3 grams of protein, 0.1 grams of fat, 16.5 grams of carbohydrates, 11 milligrams of calcium, 1.20 milligrams of iron, 64 milligrams of phosphorus, 342 milligrams of potassium, 22.9 milligrams of magnesium, 0.01 milligrams of carotene, 0.1 milligrams of thiamine, 0.03 milligrams of riboflavin, and 16 milligrams of niacin. In addition,
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Common Obstacles in Garlic Cultivation and Their Prevention Methods
In agricultural areas, due to a lack of production experience in garlic cultivation, cultivation obstacle factors affecting profitability have emerged. Based on field investigation and research, a set of preventive countermeasures has been developed for reference. 1. Sowing in June-July makes germination difficult, affecting the early market release of green garlic. Under suitable temperature and humidity conditions, garlic takes root and sprouts within one week after sowing. Garlic sown in June-July germinates slowly due to unfavorable conditions such as high temperature and drought, as well as the dormancy of the cloves themselves, requiring 15-30 days. To overcome this obstacle, seed garlic treatment and post-sowing cooling and moisture conservation should be done well. The specific method is: before sowing
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Common Problems in Garlic Cultivation and Their Solutions
Problems in Garlic Production and Countermeasures. Yongnian County is the only high-quality garlic production and export base in our province, with a planting area of 180,000 mu and an annual output of more than 100 million kg each of garlic scapes and garlic bulbs. In recent years, due to many years of continuous cropping, long-term asexual reproduction, and improper planting and management measures, the varieties have become severely degraded, pests and diseases have become serious, and yields have stagnated. To this end, we conducted a systematic investigation. At present, the main problems in garlic production in Yongnian County are as follows: severe variety degradation leading to variety degradation
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