Is copper hydroxide effective in the treatment of bacterial leaf spot of rice?
Excuse me expert copper hydroxide treats the effect of rice bacterial sex stripe disease how? How many times do you need medication? Please answer objectively. thank
The answer to your question is as follows:
Copper hydroxide can be used to control rice bacterial stripe disease, bacterial blight, rice blast, sheath blight and rice false smut. Before or at the initial stage of disease, spray 900~1100 times of 53.8% dry suspension agent for 2 consecutive times.
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700,000 mu rice in Qing 'an adopted water-saving and high-yield technology of drought cultivation control irrigation in cold region
The water-saving and high-yielding technique of controlled irrigation for dry-cultivated rice in cold region was successfully tested in Qing 'an. This year, the county has 700,000 mu of rice to promote this technology. According to experts 'calculation, about 450 cubic meters of water per mu can be saved, 11.2 yuan of pumping cost can be saved, and the average yield per mu can be increased by 22 kg. In recent years, Qing 'an has reduced the irrigation water consumption per mu from nearly 1,000 cubic meters to 500 cubic meters by carrying out the trinity method of "engineering water saving, mechanism water saving and technology water saving." In 10 years, the paddy field area has grown from 640,000 mu to 1.17 million mu, accounting for half of the cultivated area.
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Qinghua Ai 6 (Rice)
Breeding unit: Rice Institute of Guangdong Academy of Agricultural Sciences. Approval: approved by Guangdong crop Variety approval Committee and recognized by the National crop Variety approval Committee in 1991. Variety registration number: GS01006-l990. Variety source: Wanqing / Qinglan / / Huazhuai. Characteristics: photosensitive late indica late maturing varieties. The plant height is 90-96 cm, the stem is tough, the leaf is narrow and straight, the tillering ability is medium, the effective panicle is 230000 per mu, and there are 130 grains per panicle.
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