Opinions on the Management of Rice in the Middle and late stage in Arid areas
Qina Town, Yongsheng County, perennial rice planting area of 16000 mu, as of June 6, the whole town depends on reservoir water storage and Chenghai Lake water irrigation, to achieve full planting. However, due to the rare drought in history from September last year to July 19 this year, some rice seedlings without water sources and wells in our town dried up, and it was difficult to ensure timely irrigation in places with small water sources and pumping wells, resulting in a shortage of rice stems and tillers. In this regard, the management of rice in the middle and later stage of the town suggested to take the following management measures.
First, taking measures in accordance with local conditions and changing water into drought. Our town belongs to the dry and hot area of the Jinsha River, which is rich in heat resources. for partially exhausted grain seedlings, we can plough to develop autumn and winter vegetables, such as tomatoes, peppers, cucumbers, etc., and can also plant early-maturing hybrid corn.
Second, the water source is relatively good, but can not guarantee timely irrigation, resulting in insufficient tillers of the field, can increase the application of nitrogen and potassium fertilizer. The specific operation is to apply urea 57.5 and potassium sulfate 7.5 per mu to promote the formation of large panicles of rice, increase the seed setting rate, and finally increase the per unit yield and total yield.
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New high-quality and high-yield rice varieties in Jiangxi reach the leading level in China
The scientific research project "Breeding and Demonstration of New Rice Variety Ganwanxian 36 with High Quality and High Yield" presided over by the Department of Life Sciences of Shangrao Normal University recently passed the achievement appraisal organized by the Science and Technology Department of Jiangxi Province. Agricultural experts from Jiangxi Province Academy of Agricultural Sciences, Department of Agriculture, Jiangxi Agricultural University, Shangrao City Agricultural Bureau and other departments believe that the project has reached the domestic leading level in breeding first-class indica rice varieties after detailed review of relevant technical data. "Ganwanxian 36" has moderate plant type, thick stem and tillering ability.
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Changing the phenomenon of "six more and six less" is the key to improve the per unit yield of double cropping rice in Jiangxi.
Rice is the most important food crop in Jiangxi. Improving the per unit area yield of double-cropping rice is an important way to ensure Jiangxi's status as the main grain producing area and to ensure Jiangxi to make greater contribution to national food security. In recent years, although the per unit yield of double-cropping rice in Jiangxi has increased steadily, the phenomenon of low yield has not changed much. Compared with neighboring Hunan, each 667m2 is lower in 50~60kg. The analysis shows that the phenomenon of "six more and six less" is the main reason for the low per unit yield of rice in Jiangxi. The main results are as follows: 1. the amount of sowing is more and the amount of seed is less. Cultivate
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