Regeneration rice, harvested twice, harvested, after the first season of rice harvest, the rice pile can be used to re-emerge, long spikes, and then receive a season.
The Ministry of Agriculture recently issued the "National Plantation Structure Adjustment Plan (2016-2020)", which proposes to develop ratoon rice in the middle and lower reaches of the Yangtze River and in southern China, and to develop ratoon rice in the southwest. One crop twice, the benefit is higher than the double cropping rice
Compared with the production models of double-season rice and mid-season rice, what are the unique advantages of harvesting rice?
Peng Shaobing, a professor at the College of Plant Science and Technology of Huazhong Agricultural University, summed it up as “three highs and four good four provincesâ€: “through large-scale demonstrations in counties such as Hunchun, Honghu and Gangling in recent years, reclaimed rice shows high input-output ratio and high labor efficiency. High economic benefits, good rice quality, good market prospects, labor saving, provincial planting, fertilizer saving, and provincial poultry, etc., have good economic benefits, commodity value and ecological benefits."
“The technology of harvesting and regenerating rice is based on mechanized production. Once planted twice, it only needs one season of seeds, and once cultivated land, so it is more labor-saving than the double-season rice festival.â€
The results of the survey show that the technology in the large-scale demonstration area in recent years has more than 1,000 kilograms of grain per mu in the two seasons, and the per mu in the demonstration area can increase by more than 800 yuan per double-season rice production.
At present, some production areas rely on recycled rice to build a high-quality rice brand. The output can be comparable to that of double-season rice. The price is about 0.4 yuan higher than that of ordinary rice. It can increase 300 yuan per mu compared with the medium rice pattern, and 600 yuan per mu per double-season rice. Above yuan.
In addition, the promotion of harvested rice is beneficial to the reduction of pesticide and fertilizer application, and contributes to the construction of ecological agriculture. Peng Shaobing said: "In the production season, only pesticides are applied once or twice, and the amount of fertilizer is less than that of rice in the first season. The amount of pesticides used and the energy consumption are significantly lower than other production modes."
A variety of water and fertilizer supplies, Li Qiu catching the season
What are the precautions for regenerative rice planting?
Appropriate varieties: Professor Peng Shaobing led a team to conduct joint experiments in Hubei, screening out two excellent 6326, Fengliangyouxiang No.1, Tianliangyou 616, C Liangyouhuazhan, Guangliangyou 476, Xinliangyou223, and New Two There are 12 suitable varieties with high yield, high quality, suitable growth period, strong resistance to disease and lodging resistance and strong regenerative capacity, such as You No. 6, Tianyou Huazhan, Y Liangyou No. 1, Zhunliangyou 527, Yuyou 4949 and Huang Huazhan.
Planting time: It is recommended to plant around March 10th to 25th, and the age of the cockroach is controlled within 30 days. The recommended density is about 16,000 baht per mu, and strive for the first harvesting season to ensure the season and time for the growth of the reclaimed rice.
Technical regulation: Scientific management of water and fertilizer medicine is the focus of ratooning rice cultivation. It should pay attention to the first season of shallow water sputum, early drying of the field, watering of the ear, and the watering of the horses after the flowering to keep the leaves and promote the grouting. Destruction, that is, shallow water promoted in the early stage, and dry and wet alternated in the middle and late stages.
Fertilization: Peng Shaobing proposed that the first season of nitrogen control (less than 12 kg per mu) to increase potassium (10 kg per acre, focus on disease prevention); pay attention to the nitrogen fertilizer after the shift, according to the appropriate amount of seedlings to apply fertilizer; Promote manure and promote germination in the first 10 days before harvest in the first season. Apply 7.5 kg of urea and 5 kg of potassium fertilizer. Promote manure fertilizer in the first 2 to 3 days after harvest in the first season. Apply 7.5 to 10 kg of urea per mu. . In addition, we should also pay attention to the prevention and control of pests and diseases, strengthen scientific monitoring, transplant with drugs, pay attention to one drug or more drugs, and reduce the number of drugs.
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