Tu Polygonum rust only, Shuji Mao only. The Book of Songs , the Western Zhou Dynasty, people have recognized the rot in the fields of plant, plant growth can flourish. In recent years, the essence of traditional agriculture, modern agriculture calls for return to the beginning of our province green manure of renewed vitality. 27 to 28 March, the Southern Region, held in Jiangxi green manure on site demonstrations of commitment not only revealed the national nonprofit sector in Jiangxi (Agriculture) Research Special green manure crop production and utilization of technology integration research and demonstration project on to achieve substantive results, let our province green manure research was multi praise.
March of the I river, spring flowers. Walk in the green manure crop production and utilization of technology integration and demonstration of the core demonstration areas, field bursts out of a blossoming purple flowers, and green leaves intertwined, just like tile in the great fields of color and intricate carpet. Provincial Academy of Agricultural Sciences experts Xuchang Xu introduced green manure, the fields blooming plant called purple milk vetch, is the main rice green manure crops. 1500 kg per mu plowing Milkvetch be buried, and can replace 10 to 12 kg of urea fertilizer not only reduces the amount of rice, more importantly, can improve the soil environment.
Use of green manure is produced during the plant growth of all or part of the green body, direct plowing into the soil as fertilizer; is to enhance and improve soil organic matter, rich in soil nutrients, improve soil structure, saving and reducing consumption and increasing efficiency, improving agricultural productivity of important fertilizer. In the past 20 years, our unreasonable application of chemical fertilizers and pesticides, the problem caused by slowly revealed. Not been effective use of chemical fertilizers and pesticides into the water, causing eutrophication; to Soil compaction, acidification, but also a threat to food safety. With the low carbon agriculture, the rise of organic agriculture, especially in our province are all out to promote construction of Poyang Lake Ecological Economic Zone, agricultural environment and soil quality problems caused by government attaches great importance, green manure research gained new opportunities for development.
Green manure crop production and utilization of technology integration research and demonstration project started in 2008 by the Chinese Academy of Agricultural Resources and Regional Planning Institute and Jiangxi, Yunnan, Gansu, Sichuan, Hunan, Anhui and Inner Mongolia, Hebei, Fujian, Henan and Heilongjiang Academy of Agricultural Sciences and Huazhong Agricultural University, Northwest University and other 15 universities and research institutes committed plans to 3 years of research and project implementation, respectively, in the 15 pilot areas to establish core, integrated around 15 partial substitution of chemical fertilizer, cultivate the soil, improving the environment, improve crop yield and quality has a significant effect of green manure crops and the use of technical models in order to promote the recovery of green manure crop production and development, promoting agricultural ecological cycle.
More than two years, our province through the tasks of the implementation of the Institute in the red soil and the establishment of 1,500 square meters of green manure crop germplasm resources garden, the more perfect preservation of domestic milk vetch, fertilizer radish germplasm, initially established green manure crop germplasm resources database of image information and character; identified milk vetch High Yield Rice production model, the initial model to solve the key technology, and developed a rice green manure production and use of technology point of order. Issues since the implementation of demonstration and extension of total area of 18,860 hectares, an increase of 11,623 tons of grain, the new cost 28.37 million yuan, saving 693 tons of nitrogen, phosphorus 304 tons, 452 tons of potassium, economic and environmental benefits significantly.
On site meeting, from all 21 provinces of the green manure experts on the progress and results of test subjects in our province fully affirmed and highly appraised. Project Chief Expert, the Chinese Academy of Agricultural Sciences, Institute of Agricultural Resources and Regional Planning Dr. Cao Weidong that field experiments designed Jiangxi issues, management practices, data reliability, to achieve the desired effect and purpose, such as large area applications, will produce good economic , ecological and social benefits.
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