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What are the key management techniques for rice during the heading and grain-filling stage?
How to manage rice well during the heading and grain-filling stage? Please provide an introduction to the management methods. The heading and grain-filling stage of rice refers to the period from heading to yellow ripeness. This period is critical for determining grain number and grain weight. The goals of field management are: maintaining roots, protecting leaves, and improving the seed-setting rate and 1000-grain weight. The main field management measures...
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How to apply pesticides around rice heading? Detailed explanation of timing and method key points
How to apply pesticides around rice heading? Please give guidance and introduction. Whether early rice or late rice, around heading is generally the period when multiple diseases and pests occur and cause damage, requiring chemical pesticide control, but applying pesticides during this growth stage can easily cause phytotoxicity and undue losses, which deserves attention....
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How to control rice planthoppers? A detailed guide to practical methods
How do you control rice planthoppers? Please provide an introduction to control methods. To control rice planthoppers, you can refer to the following methods: 1. Plant at a reasonable density, improve the field microclimate, and increase the rice plant's disease resistance. 2. Fertilize reasonably, control nitrogen fertilizer, increase phosphorus and potassium fertilizer, and apply topdressing skillfully, so that the rice grows and develops early and quickly,...
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What are the control methods for the rice stem borer (Chilo suppressalis)?
How do you control the rice stem borer? Here are the control methods. The rice stem borer, also known as the stem maggot, can damage rice from the tillering stage to the milk-ripening stage, posing a threat to rice production and affecting both yield and quality. Doing a good job of controlling the rice stem borer is of great significance for promoting high rice yields and increasing farmers' income. The control methods are as follows:...
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What are the control methods for bacterial leaf streak of rice?
How do you control bacterial leaf streak of rice? Please provide guidance methods. Symptoms of bacterial leaf streak of rice damage: it can occur from the seedling stage to the ear stage of rice. The lesions are yellow, initially yellow, then turning yellow-brown, until completely rotted. If the disease occurs before the heart leaf emerges, it cannot continue to grow upward and dies within the heart, forming a false dead heart, hence it is also called heart rot disease....
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What are the key points for late-stage rice management?
What should be noted in late-stage rice management? Please give an introduction. Late-stage rice management requires attention to the following points: Do not arbitrarily increase the amount of pesticide. Blindly increasing the dosage of chemicals raises the cost of disease and pest control and easily causes crop phytotoxicity. In addition, pesticides must be mixed and used immediately to prevent chemical reactions between pesticides...
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How should pests and diseases be controlled in the late growth stage of rice?
How should pests and diseases in the late stage of rice be controlled? Please provide guidance methods. Pests and diseases cause serious damage in the late stage of rice. The control methods can refer to the following: 1. Sheath blight: The disease has recently been rising faster. In a general survey of each town on September 10, the average rate of diseased hills was 13.7%, and the rate of diseased plants was 3.3%. The disease situation has clearly accelerated compared with the previous period...
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Detailed Explanation of Field Management Techniques for Licorice
Licorice is a plant in the Fabaceae family. The main types include Glycyrrhiza aspera, Glycyrrhiza glabra, and Glycyrrhiza inflata. Its dried roots and rhizomes are used as medicine, and the crude drug is called licorice. It has the effects of tonifying the spleen and boosting qi, relieving cough and reducing phlegm, clearing heat and detoxifying, easing tension and relieving pain, and harmonizing the properties of medicines. The cultivation techniques for licorice are introduced as follows. 1. Soil selection. Licorice...
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Detailed Explanation of Licorice Seedling Raising and Transplanting Methods and Technical Key Points
The glycyrrhizic acid contained in licorice is 200 to 300 times sweeter than sucrose, making it the best natural sweetener discovered to date. China exports large quantities of licorice and its extracts to European, American and Southeast Asian countries, and it has become a major foreign-exchange-earning medicinal herb. Due to increasing demand at home and abroad, wild licorice resources are becoming increasingly depleted. Therefore, it is necessary to...
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Detailed Explanation of Key Techniques for Licorice Seedling Raising and Transplanting
Licorice is an important medicinal herb. With the strengthening of national ecological and environmental protection, the use of wild resources has become very limited, and licorice seedling raising and transplanting techniques have become very important. Licorice is a perennial herbaceous plant of the Fabaceae family and is listed by the state as a key controlled medicinal herb. Glycyrrhizic acid, as a sweetener, is 200-300 times sweeter than sucrose, ...
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