Jiangsu Hongqi Seed Industry Co., Ltd
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Lindao 20

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It is a mid-early maturity rice variety selected by the rice research in Yinan County, Shandong Province. It was approved by Shandong Province in 2013. In 2017, Jiangsu Hongqi Seed Industry Co., Ltd. introduced and filed in Jiangsu for the sole production and operation.
In northern Jiangsu, the whole growth period of the machine is about 140 days, and the live broadcast period is about 122 days. The plant type is moderately tight and matures 10 days earlier than the control Xudao No. 3; effective panicles per mu are 245,000, panicle formation rate 84.4%; plant height 91 cm, panicle length 18.4 cm, panicle grain number 109.2, seed setting rate 85.7%, 1000-grain weight 26.2 grams.
Rice quality
In 2010, it was tested by the Rice and Products Quality Supervision, Inspection and Testing Center of the Ministry of Agriculture (Hangzhou): the quality of the rice reached the national standard of high quality level 3.
Yield performance
In 2012, Shandong Province's production test had an average yield of 536.8 kg per mu, which was 10.6% higher than the control Yanfeng 47; in 2015, the machine-transplanted seedling comparison test was 5.6% higher than the control Lindao 11; in the 2017 Jiangsu Province introduction test, the average of ten test sites The yield per mu is 609 kg, which is equivalent to the control Xudao No. 3.
Key points of cultivation techniques
1. Sowing at an appropriate time and reasonably control the amount of seed used: machine-transplanted seedlings use 5.5 kg per mu, generally at the end of May and early June, and seedlings are planted in mid-to-late June, and the seedling age is about 25 days; the seedling amount for direct seeding is generally 7-9 Kg, poor terrain or late sowing can appropriately increase the amount of seed, sowing time is generally from late May to mid-June.
2. Fertilizer management: reapply base fertilizer and tiller fertilizer, and use less or no fertilizer in the middle and late stages of growth.
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Jiangsu Hongqi Seed Industry Co., Ltd. is a state-owned seed enterprise integrating rice, wheat and corn breeding, improved seed breeding and seed marketing. It was established in 2001 with a registered capital of 105.81 million yuan. The company has the right to import and export seeds, and holds the integrated seed business license of "breeding, breeding and promotion" issued by the Ministry of agriculture. The company is a key leading enterprise of agricultural industrialization in Jiangsu Province, a high-tech enterprise in Jiangsu Province, a key enterprise of seed industry in Jiangsu Province, an agricultural science and technology enterprise in Jiangsu Province, and an enterprise with "AAA" credit rating of China Seed Association. The company has been rated as an enterprise "abiding by contracts and keeping promises" for 18 consecutive years,

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