Nitrogen fixation and N transfer from peanut to rice cultivated in aerobic soil in an intercropping system and its effect on soil N fertility

By G. Chu, Q. Shen, J. Cao. Plant and Soil, 2004

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Intercropping alleviates the inhibitory effect of N fertilization on nodulation and symbiotic N2 fixation of faba bean (2009, methodology): “Although peanut (Arachis hypogaea)/rice (Oryza sativa) intercropping improves N2 fixation of intercropped peanut by 20% (Chu et al. 2004), it does not alleviate the inhibitory effect of N fertilization on N2 fixation of peanut.”
Intercropping with aerobic rice suppressed Fusarium wilt in watermelon (2008, background): “By rice intercropping with peanut, nitrogen fixation was improved and bi-directional nitrogen transfer occurred between peanut and rice in unsaturated soils (Shen and Chu, 2004; Chu et al., 2004).”
Combining napier grass with leguminous shrubs in contour hedgerows controls soil erosion without competing with crops (2008, background): “Controlled studies have shown a significant direct transfer of fixed-N to the associated non-legume species (Eaglesham et al. 1981; Giller et al. 1991; Frey and Schüepp 1993; Stern 1993; Chu et al. 2004).”
Ammonium nutrition increases photosynthesis rate under water stress at early development stage of rice (Oryza sativa L.) (2007, background): “S. Guo G. Chen Y. Zhou Q. Shen (&) College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China e-mail: shenqirong@njau.edu.cn 800 mm of precipitation annually (Chu et al. 2004; Shen and Chu 2004).”