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Key rice diseases to focus on controlling in Guangdong currently
Bacterial leaf streak, rice blast, sheath blight and bacterial leaf blight are the four major diseases in late rice production in Guangdong, mainly damaging the leaves of plants in the early and middle stages of rice growth. The coastal typhoon-prone rice areas of our province are frequent-occurrence areas of bacterial leaf streak, while hilly and mountainous areas are mainly affected by rice blast and bacterial leaf streak. The occurrence periods, characteristics and control methods of bacterial leaf streak, rice blast and sheath blight are briefly described as follows: Bacterial leaf streak. Rice bacterial leaf streak has shown a spreading trend in Guangdong in recent years. The disease starts at the seedling stage and breaks out severely at the young panicle differentiation stage. Ty
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What problems currently exist with radish fertilization?
What problems currently exist with radish fertilization? Please note that current radish fertilization has the following problems: 1. Existing problems and fertilization principles. In response to problems such as emphasizing nitrogen and phosphorus fertilizer while neglecting potassium fertilizer, an imbalanced nitrogen-phosphorus-potassium ratio, unreasonable fertilization timing, obviously insufficient application of organic fertilizer, and insufficient attention to the application of trace element fertilizers...
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