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New rice fertilization technology promoted in Hunan
Seeing Miao Accurately Applying “N†Nitrogen Fertilizer, Applying 30% Less Nitrogen, Increasing Production by 10% An important research achievement of the International Rice Research Institute - Rice Field Fertilization Technology (referred to as SSNM) is promoted in Hunan, opening up a new way for accurate nitrogen fertilizer application in the southern rice region. . Today, the reporter observed the "Changsha-Jiluo SSNM demonstration zone" with experts. Seen all the way, I saw a golden ear of rice in the demonstration zone, and the grain was full. The demonstration hill did not see the "green booth" and there was no lodging. The three-acre early rice cultivars of Shenglin farmers in Qianshan Township, Changsha County have three fertilization methods at the same time. Traditional fertilization uses 7 kg of urea per acre more than a single dose to control sheath blight. Experts estimate a yield of 390 kilograms; 26 yuan, the yield of 430 kilograms; unfilled blanks, the yield is only 180 kilograms. The technology has been tested and demonstrated in Thailand, India, Bangladesh, the Philippines, and Vietnam. Hunan Agricultural University was the first to participate in the research and testing of this technology. This year, our province has taken the lead in popularizing 40 key high-quality rice counties (cities, districts), and generally achieved 30% less nitrogen fertilizer production and a 10% increase in output. According to Zou Yingbin, a rice expert in the province, the rice leaf color accurately reflects nitrogen, and the SSNM technology divides the leaf color from yellow-green to deep-black to six and draws a color comparison card. After 14 days from transplanting to flowering, rice farmers selected the full-length leaves every 10 days. The technology can be understood at a glance and is easy for farmers to operate.