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The thrips quantity ratio (TQR) model is an important tool for evaluating crop resistance to thrips based on the correlation between thrips quantities and cultivars. Unfortunately, it is inaccurate, and the results appear significantly inconsistent when analysing the same cultivars in the same field study. To improve this model, we first studied the resistance of 28 alfalfa cultivars to thrips in...
The research was conducted from May to November of 2010, at the demonstrative base of scientific research of hebei academy of agriculture and forestry science in Dehe town of Shijiazhuang city, Hebei province, China. Test was conducted to define of cotton-mung bean intercropping pattern and cotton single pattern, and different N rates (100% N, 5% N off, 15% N off, 30% N off, 100% N off). The objections...
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