Northeast China 第2页

Response of Grain Yield to Plant Density and Nitrogen Application Rate for Maize Hybrids Released from Different Eras in Heilongjiang Province Response of Nitrogen Use Efficiency to Plant Density and Nitrogen Application Rate for Maize Hybrids from Different Eras in Heilongjiang Province Effect of Indica-Japonica Hybridization on Grain Quality of Rice Cultivars in Northeast China