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What are the methods for quickly shaping fruit-bearing bonsai?
At present, as people's living standards rise day by day, fruit tree bonsai that offer the beauty of fruit, form, and trunk are increasingly favored by people. However, because cultivating fruit tree bonsai takes a long time and involves complex techniques, it often daunts people. According to the author's years of practice, it can be cultivated and shaped in just 2-3 years. It is introduced as follows: 1. Selection of containers. The most suitable container is a fine unglazed clay pot, which needs good water permeability and air permeability to ensure the oxygen requirements for root growth and to prevent root rot caused by water accumulation in the container. Generally, round shapes are preferred.
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What are the common diseases of foxes and raccoon dogs during gestation and the whelping period?
Foxes and raccoon dogs have now entered the critical stage of gestation and whelping since the spring estrus and mating, and a series of changes have taken place in their physiological functions, making them extremely sensitive to external stimuli, so the incidence of disease is very high. Recently many readers have consulted us on this matter. In response, the editor has specially invited Professor Hua Shufang of the Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, to give an introduction to the prevention and treatment of common diseases of foxes and raccoon dogs during gestation and the whelping and lactation period. 1. What are the manifestations of gastroenteritis during gestation and the whelping period, and how is it prevented and treated? Answer: During gestation and the whelping period, the
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Detailed Explanation of the Garlic-Ginger Intercropping Model: How to Achieve High Yield and High Efficiency
This model is suitable for irrigated land in autumn-sown garlic areas. Yield per mu: ginger 2500-3000 kg, garlic scapes 400-500 kg, garlic bulbs 800-1000 kg. Planting arrangement: make beds running east-west, bed width 1 m, plant 4 rows of garlic, intercropped with 2 rows of ginger. Garlic is planted in wide and narrow rows, with wide row spacing of 30 cm, narrow row spacing of 20 cm, and plant spacing of 6-8 cm, planting 33,000-35,000 plants per mu. The 2 rows of ginger are intercropped in the wide rows of the garlic, with row spacing of 50 cm, plant spacing of 12-15 cm
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Detailed Explanation of Key Points for Intercropping Ophiopogon japonicus
Ophiopogon japonicus has a long growing period and a short plant height, grows slowly in the early stage, and requires a certain degree of shade. Therefore, interplanting some crops in the early stage can provide shade, and when managing the intercrops, soil compaction and weed growth can be reduced, which is beneficial to the growth of Ophiopogon japonicus. Leguminous crops or vegetables are preferable as intercrops, and corn or taro can also be planted, but the intercrops must have a short growing period and must be harvested in September, so as not to affect the growth of the tuberous roots of Ophiopogon japonicus.
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Be on Guard Against Copper and Zinc Poisoning in Koi Keeping
I believe none of you will be surprised by this: copper and zinc in the water will kill koi. Of course, this is not news to me either. What I mean is, before you heard the story about a copper-connected heater releasing a large amount of copper into the water and thus killing all the koi, had you ever thought that copper and zinc could kill your koi? Perhaps many of us have not yet heard such a story. Before telling you these things, let me first review some of my own history. Of course, I have been keeping koi for quite a long time.
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What disease causes geese to die quickly after passing green droppings?
Ma Yonggen from Qinxing Village, Zhenze Town, Wujiang City called to say that he had raised more than 400 geese. When the geese weighed three to four jin, he found that several geese were lying down unable to stand, passed green droppings, and died quickly. Within two days, 6 had already died, and several more geese had also shown symptoms of lying down and looked like they were failing. The local veterinarian diagnosed it as a septic infectious disease. Based on the above situation, the geese may have viral enteritis or fowl cholera. Both diseases have symptoms of passing green droppings and rapid death. Which specific disease it is should still be further diagnosed.
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Cotton topping must be done at the right time and promptly; seizing the moment is key
Cotton has an indeterminate growth habit. Under certain temperature conditions, the terminal bud keeps growing and extending, and continuously differentiates new stems, leaves and fruiting branches. Topping is the manual removal of the terminal bud so that it no longer produces new fruiting branches, allowing the vast majority of bolls to open before frost. Therefore, this is a key operation for artificially regulating the cotton growth period. Before topping, the cotton plant has apical dominance, with water and nutrients supplied preferentially to the terminal bud; after topping, they are supplied preferentially to the organs growing and developing fastest. It can thus be seen that topping affects the transport and distribution of nutrients in the cotton plant, so
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Why should fertilizer be applied promptly after cotton topping?
After cotton topping, it is the time when the various organs compete most intensely for nutrients. The development of young bolls after flowering requires nutrients, the enlargement of buds and flowering require nutrients, and the elongation of the upper fruiting branches and the growth of new leaves and flower buds require nutrients. If the nutrient supply is insufficient, either the boll set in the middle and lower parts decreases, or there are no bolls in the upper part, or after boll setting the plant prematurely ages, leaves drop, and boll weight decreases, none of which can achieve the goal of high yield. Therefore, supplementation should be carried out promptly by combining root-zone fertilization with foliar spraying, mainly with nitrogen and potassium fertilizers, and appropriately applying phosphorus fertilizer on phosphorus-deficient soil.
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Key Technical Points for Diversified Multi-Cropping Three-Dimensional Cultivation of Cotton in the Huaibei Region
Diversified multi-cropping three-dimensional cultivation is a high-yield, high-efficiency agricultural production form and supporting comprehensive technical system that conforms to biological population structure. Developing diversified multi-cropping three-dimensional cultivation can achieve good economic, social and ecological benefits. I. Mechanisms for developing diversified multi-cropping three-dimensional cultivation of cotton in the Huaibei Region. 1. Adapt to local conditions and emphasize efficiency. Three-dimensional cotton cultivation involves multiple crops, multiple factors and multiple disciplines, and is highly time-sensitive, regional, comprehensive and scientific. Therefore, appropriate timing and varieties should be selected for cultivation in combination with the land, climate and other conditions of the Huaibei Region.
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What issues should be noted in the export processing of fresh-keeping shiitake mushrooms?
I. Raw material selection In the processing of fresh-keeping shiitake mushrooms, the first thing to note is the freshness of the raw materials, which is an important factor determining the quality of the finished fresh-keeping shiitake mushrooms. The raw materials must be fresh, and the color must be normal; secondly, the mushroom caps must be complete and round in shape, the stems must be intact, and the mushroom bodies must retain the graceful form of natural growth; the mushroom flesh must be thick, the edges of the caps must be neatly incurred, the partial veil unbroken or slightly open, and not fully opened; the cap diameter must be no less than 38 mm; and there must be no pests or diseases, off-odors, or soil impurities. II. Raw material handling and cold storage First,
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