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How to Prevent and Control Sweet Potato Stem Nematode Disease? Detailed Technical Methods
Sweet potato stem nematode disease is a devastating disease in sweet potato production. It is highly destructive and spreads quickly. It can infect and cause damage during the seedbed stage, field stage, and storage stage, but it mainly infects the tubers. Affected sweet potatoes have brown, bluish skin with cracked patterns, and the tubers are light. Some tubers show no external abnormalities, but are hollow and pithy inside. This disease not only affects the quality of sweet potatoes, but also severely affects sweet potato yield.
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Detailed Explanation of Key Points for High-Yield Cultivation Technology of Film-Mulched Sweet Potato
1. Select suitable plots and apply more fertilizer. It is best to choose fertile, level, and irrigable loam soil for planting sweet potatoes. For film-mulched plots, deepen the plow layer. Autumn plowing should be about 25 cm deep. Apply more than 2500 kg of high-quality decomposed farmyard manure per mu. When plowing, broadcast 2/3 of the farm manure and apply 1/3 in furrows when ridging.
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How is soil testing and formulated fertilization carried out for rice cultivation?
I. Technology Introduction Based on the fertilizer requirement characteristics of major crops and formulated fertilization technology, soil testing and formulated fertilization mainly follows three principles: first, combining organic fertilizer with inorganic fertilizer; second, combining macro, secondary and trace elements; third, combining land use with land maintenance, with input and output in balance.
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Detailed Explanation of Pollution-Free Fertilization Technical Specifications for Yam Cultivation
① Propagation technology: Yam propagation is divided into two types: sexual propagation and asexual propagation. Sexual propagation is mainly used for crossbreeding to obtain new high-yield, high-quality variety types; because it requires a long time, it is generally not suitable for use in production. Asexual propagation includes tuber cutting propagation methods, top
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Key Points of Bee Pollination Technology in Strawberry Cultivation
Greenhouse strawberry cultivation takes place in winter and early spring, when temperatures are low, humidity is low, daylight is short, and insects are few. This affects anther dehiscence and pollen dispersal, leading to poor pollination and the easy development of various deformed fruits, seriously affecting yield and quality. To create good pollination conditions, besides paying attention to ventilation
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Intercropping Cultivation Technology for Watermelon and Chinese Yam in Large Arch Sheds
In early spring, using a large arch shed for intercropping watermelon with Chinese yam can bring the harvest and market time of both watermelon and Chinese yam more than 45 days earlier than open-field cultivation, thereby achieving relatively high economic benefits. 1. Arch shed structure. The shed is 7 m wide, the arch height at the center of the shed is 2.5 m, and the shed length depends on the plot.
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How to prevent and control tomato Fusarium wilt? A detailed introduction to the key technical points
Tomato is a nutritious food with a rather distinctive taste; it can be eaten raw or cooked, and can also be processed into all kinds of foods. Tomatoes are grown in many parts of China and are one of the vegetables with low environmental requirements. Tomato Fusarium wilt is very likely to occur during its growth
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What are the key points of cucumber grafting technology? Learn it all in one article
Cucumber is a common vegetable, very crisp and refreshing to eat, and it tastes good whether eaten raw or served as a cold dish. In the process of growing cucumbers, grafting technology is often used to increase yield. Let's take a look below at what the key points of cucumber grafting technology are. 1. Cucumber grafting techniques
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Detailed Explanation of Key Points of Mechanized Potato Planting Technology
Mechanized planting has already become very well established in agricultural production, and it offers many advantages: it saves labor, promotes high yields, and boosts the economic returns of farmers. Potatoes are commonly grown in open fields, and as mechanized potato planting technology has matured
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Key Points and Management Methods of Black Bupleurum Cultivation Technology Explained
Black Bupleurum is a perennial herbaceous plant of the Bupleurum genus in the Apiaceae family. Its roots are dark brown and can be used medicinally to treat cold and fever. Today we introduce black Bupleurum cultivation technology. 1. Site selection and land preparation: choose sandy soil; clay and low-lying areas prone to water accumulation are not suitable for planting.
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