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To model intercropping in terms of neighbouring effects in the context of field boundary cultivation, a new model approach was developed and integrated into the DSSAT model. The results indicate the possibility of simulating general competition and beneficial effects due to different incoming solar radiation and soil temperature in a winter wheat\/maize intercropping system. Considering more than the competition factors is important, that is, sunlight, due to changed solar radiation alone not explaining yield differences in all cases. For example, intercropped maize could compensate low radiation due to its high radiation use efficiency. Wheat benefited from the increased solar radiation, but even more from the increased soil temperature.<\/p>","DOI":"10.4018\/jissc.2010100104","type":"journal-article","created":{"date-parts":[[2011,2,15]],"date-time":"2011-02-15T15:21:07Z","timestamp":1297783267000},"page":"44-65","source":"Crossref","is-referenced-by-count":8,"title":["A Modeling Approach to Simulate Effects of Intercropping and Interspecific Competition in Arable Crops"],"prefix":"10.4018","volume":"1","author":[{"given":"Heike","family":"Kn\u00f6rzer","sequence":"first","affiliation":[{"name":"Universit\u00e4t Hohenheim, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Simone","family":"Graeff-H\u00f6nninger","sequence":"additional","affiliation":[{"name":"Universit\u00e4t Hohenheim, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bettina U.","family":"M\u00fcller","sequence":"additional","affiliation":[{"name":"Universit\u00e4t Hohenheim, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hans-Peter","family":"Piepho","sequence":"additional","affiliation":[{"name":"Universit\u00e4t Hohenheim, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wilhelm","family":"Claupein","sequence":"additional","affiliation":[{"name":"Universit\u00e4t Hohenheim, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"2432","reference":[{"key":"jissc.2010100104-0","first-page":"397","article-title":"A maize (Zea mays)-cowpea (Vigna unguiculata) intercrop model","author":"S. 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