At present, the average age of the four varieties of Xiangyue No.13, Fengyuanyou 272, Yueyou 9113 and Wuyou 308 is 8.99 leaves, and the average number of seedlings is 301,700/mu. Compared with last year, due to the early rice early maturity period and the concentrated harvest time, the transplanting of late rice is overall faster than last year; Miaoqing observation Qiuxiang late ç±¼ 13 was transplanted 11 days earlier than last year, three hybrid rice The transplanting time is the same as last year. Linyi Fertilizer Network Copyright
Linyi Fertilizer Network Copyright
Due to the early transplanting of Xiangyue No.13, the leaf age has reached 9.74 leaves, an increase of 1.89 leaves compared with the same period of last year; the number of seedlings is 29.06, an increase of 189,600 yuan/mu compared with the same period of last year. From the situation of hybrid rice, due to the relatively low accumulated temperature in the previous period, the current leaf age and seedling number are lower than the same period of last year, with the leaf age decreasing by 0.65 leaves compared with the same period of last year, and the average number of seedlings decreased by 25,900 yuan/mu compared with the same period of last year. . Linyi Fertilizer Network Copyright
Linyi Fertilizer Network Copyright
Therefore, compared with last year, the favorable factor for late rice this year is that transplanting is early, and the unfavorable factor is that the accumulated temperature is relatively low. The result of offsetting each other is that the age of four comparable varieties is the same as last year, and the number of seedlings is 28,000/mu compared with last year. . Linyi Fertilizer Network Copyright
Linyi Fertilizer Network Copyright
From the growth period, most of the hills have already passed the effective tillering period and the peak period. The peak of the number of seedlings has passed. It is expected that the increase in the number of seedlings will gradually slow down in the next 7 to 10 days until it stops. Linyi Fertilizer Network Copyright
Linyi Fertilizer Network Copyright
Daejeon Management Suggestions: Linyi Fertilizer Network Copyright
Linyi Fertilizer Network Copyright
1. For a small amount of late rice transplanted late, try to apply early fertilizer. Because the temperature is high during the tillering of late rice, it usually takes about 1 week from the time of transplanting to effective tillering. Therefore, the fertilizer should be applied as early as possible. If the late rice is transplanted for three days, it will return to the green tiller. Therefore, after three days of transplanting the late rice, the manure can be applied. Linyi Fertilizer Network Copyright
Linyi Fertilizer Network Copyright
2. Drain the fields in a timely manner when the water source is sufficient. The late rice is from the seedling to the ear three before the sun is in the field, from the observation of the Ningxiang County Huilongpu, this year's late rice drying time is between July 23 and August 12. Fields with early transplanting, a high number of seedlings, and thick leaves can be re-dried, and vice versa. However, places with unfavorable irrigation conditions may not be exposed to the field, so as not to affect the differentiation of young ears. Linyi Fertilizer Network Copyright
Linyi Fertilizer Network Copyright
3. Late rice is about to enter the end of tillering, which is one of the key periods of pest control. Therefore, it is necessary to timely control according to the pest control report of Ningxiang County Plant Protection Station, focusing on rice leaf roller, rice planthopper, sheath blight, and leaf. Prevention and treatment of cockroaches, etc. Linyi Fertilizer Network Copyright
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