生物炭用量对灌区春小麦干物质和氮素积累、转运及产量的影响

惠超, 杨卫君, 邓天池, 陈雨欣, 宋世龙, 张金汕, 石书兵

Effects of Biochar Dosage on Accumulation and Transport of Dry Matter and Nitrogen and Yield of Spring Wheat in Irrigated Area

Hui Chao, Yang Weijun, Deng Tianchi, Chen Yuxin, Song Shilong, Zhang Jinshan, Shi Shubing

表3 不同处理下春小麦干物质积累模型

Table 3 Dry matter accumulation model of spring wheat under different treatments

处理Treatment 拟合方程Fitting equation t0/d t1/d t2/d ?t/d Vmax R2 B0N0(CK) y=3.23/(1+e7.93-0.13t) 51.75 63.73 75.70 23.94 0.10 0.9642 B1N0 y=3.46/(1+e8.04-0.13t) 49.85 61.82 73.79 23.94 0.11 0.9559 B2N0 y=3.57/(1+e13.60-0.23t) 52.47 59.05 65.63 13.17 0.18 0.9790 B3N0 y=3.11/(1+e15.34-0.27t) 50.15 56.14 62.12 11.97 0.16 0.9451 B0N1 y=3.35/(1+e13.26-0.23t) 50.95 59.73 68.51 17.56 0.14 0.9447 B1N1 y=3.83/(1+e8.24-0.13t) 51.73 58.00 64.27 12.54 0.17 0.9638 B2N1 y=3.96/(1+e8.15-0.13t) 50.02 59.43 68.84 18.81 0.18 0.9662 B3N1 y=3.80/(1+e7.02-0.11t) 53.51 59.50 65.49 11.97 0.14 0.9866