不同生态条件下播期对机插杂交籼稻日产量的影响

张驰, 何连华, 廖爽, 高云天, 朱世林, 李博, 周伟, 陈勇, 胡剑锋, 项祖芬, 任万军

Effect of sowing date on daily yield of mechanical indica hybrid rice under different ecological conditions

Chi ZHANG, Lian-Hua HE, Shuang LIAO, Yun-Tian GAO, Shi-Lin ZHU, Bo LI, Wei ZHOU, Yong CHEN, Jian-Feng HU, Zu-Fen XIANG, Wan-Jun REN

表2 4个生态区试验田土壤理化性质

Table 2 Soil conditions of the test fields in four experimental locations

试点 Location pH 有机质 Organic matter (g kg-1) 全氮 Total N content (g kg-1) 全磷 Total P content (g kg-1) 全钾 Total K content (g kg-1) 碱解氮 Available N (mg kg-1) 速效磷 Available P (mg kg-1) 速效钾 Available K (mg kg-1) 南部Nanbu 7.39 31.95 1.28 0.36 10.62 55.97 50.88 96.32 射洪Shehong 7.52 26.69 1.40 0.60 12.20 62.04 85.83 128.52 安州Anzhou 6.80 25.43 1.69 0.76 14.97 74.20 97.10 134.85 大邑Dayi 6.04 32.97 2.94 0.77 13.81 97.74 32.11 112.67