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Research for cultivation techniques of high—yield hybridized rice seeds by means of serial comprehensive improvement in cold and rotten fields

SHANG Sheng dong 1,CHEN Yuan yu 2, CHEN Guang you 1,XIA Wei 3(1 Daozhen Autonomous County Seed Company of Guizhou Daozheu 563500,China;2.Daozhen Autonomous County Plant Protection and Quarantine Station of Guizhou Province, Daozhen 563500,China;3.  
The study was conducted for two years in order to find the way to increase the output of the hybridized rice seeds in cold and rotten fields. According to the growth rules of the parent plants, the experiments were carried out by strengthening the original parent plants, adding more kinds of fertilizer, improving the methods of applying fertilizer and strengthening the prevention and control of plant diseases and insect pests. The results show that the serial comprehensive techniques can make the parent plants grow healthily, can mostly control the plant diseases and pests and can shorten the growth period by 3-4d so that the output of the seeds promises to be much more. Compared with the investment the benefit is about 5.08 to 6.57 times as much.
【CateGory Index】: S511.103
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Chinese Journal Full-text Database 10 Hits
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