1. Large grain producers send WeChat: The rice was flooded for 48 hours. After the water receded, it was sprayed on the flooded rice.
A: According to Long Lei, a regional manager of Zhongnong Lihua Biotechnology Co., Ltd. Jiangsu, Rui Miao Qing 30% A cream, and a mildew, including 24% of fylidamycin and 6% of metalaxyl, including The spirit has a bactericidal effect, at the same time can promote crop growth, can be absorbed by the roots of the crop and move in the root system, and produce two kinds of glycosides in the plant, which has the effect of improving the physiological activity of the crop, thereby promoting the growth of the plant, increasing the root hair, The activity of the root increases. The auxiliaries used in this medicine contain humic acid, and the effect of promoting root and strengthening seedlings is obvious. For rice that has not been drowned for up to 3 days, after the water recedes, the “Rui Miaoqing†1000-times liquid of 30-45 kg will be sprayed, which can effectively promote the recovery of rice, and the production yield is significant. Based on past experience and product characteristics, after rice was absorbed by "Rui Miao Qing," root growth was promoted, plants grew robustly, and stress resistance increased.
On August 10, 2012, under the influence of an anemone typhoon, Jingdezhen City, Jiangxi Province, suffered the largest storm since the meteorological record. At that time, it was the critical period for the formation of local mid-season rice yield and the growth of late rice. More rice in the field was flooded for three days and two nights, and the sludge on the rice leaves was weak. Some plots sprayed "Rui Miaoqing" 1,000 times 30 kg per mu in time after the water receded. After 10 days of spraying, the leaves were surveyed to turn green and grow new roots. The rice that was in the tillering stage grew new tillers; In the field where no remedial measures were taken in time, the rice roots and tillers blackened and rotted, and eventually a large number of plants died.
2. Lao Chen sent a WeChat on July 2nd: There are nearly 30 hours flooding time for machine-transplanted japonica rice and japonica rice. What should be done after water withdrawal?
Answer: The flooding time of rice is not long and has little effect on the yield. Normally, no special treatment is required. Normal management can be used.
3. Anqing Xiushui agricultural materials issued on the 1st of July WeChat: The live rice planting has been 25 days since sowing. It has not been soaked in water for 4 days. Will it die?
A: If rice is submerged within 1 day, the growth of rice seedlings will not be affected. If there is no flooding for 2 to 3 days, proper remedial measures will be taken after drainage, which will have little effect on the yield; It has a greater impact, and the longer the flooded time, the heavier the output reduction; if it is flooded for more than 7 days, the yield is extremely low, and even no harvest. The above-mentioned paddy rice was not topped for 4 days. During flooding, there was continuous rainfall. The oxygen content in the rainwater was high, and the oxygen content in the field water was low, which was good for rice survival. The rice should not die. After the water is receded, spraying of 0.136% erythrochlorpyrifos WP, sodium nitroprusside (overdose), and humate foliar fertilizers will be sprayed as early as possible to help restore rice and reduce yield loss.
After rice is flooded, depending on the length of flooding and the damage of rice seedlings, it is determined whether the seedlings are preserved or changed. After the drainage, there are green leaves in the rice seedlings, or after 3 days drainage, the heart leaves can be seen and can be preserved. The interior of the rice leaf sheath is still green, has no rot, and has a certain hardness, and can continue to be preserved. The rice plants have white roots or light yellow roots, or new roots can be seen 2 to 3 days after the larvae are discharged and can be retained. After 2 to 3 days of drainage, the main stems of rice were stripped and the growth points were bright and light, without shrinkage or turbidity, and they could be retained. The light-extracted rice plants are easily dislodged, the tillering nodes become soft, the outer leaves rot, the heart leaves are dead, and all the roots are yellow roots and black roots and start to smell bad. In this case, the seeds should be changed.
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