不同生长时期收获对甜高粱农艺性状及营养品质的影响

王海莲,王润丰,刘宾,张华文

Effects of Harvesting at Different Growth Stage on Agronomic and Nutritional Quality Related Traits of Sweet Sorghum

WANG HaiLian,WANG RunFeng,LIU Bin,ZHANG HuaWen

表4 5个生长时期济甜杂2号的干物质采食量、可消化干物质和相对饲用价值分析

Table 4 Analysis of dry matter intake (DMI), digestible dry matter (DDM) and relative feed value (RFV) at five growth stages of Jitianza No.2

环境 Environment 时期 Stage 干物质采食 DMI (%) 可消化干物质 DDM (%) 相对饲用价值 RFV E2 S1 2.65±0.012a 66.26±0.04a 136.17±0.56a S2 2.33±0.011b 63.41±0.02b 114.46±0.59b S3 2.14±0.003c 61.37±0.04c 101.64±0.22c S4 1.98±0.018d 58.17±0.04d 89.40±0.75d S5 1.93±0.002d 58.92±0.03e 88.35±0.040d E3 S1 2.59±0.006a 63.92±0.05a 128.35±0.40a S2 2.33±0.020b 63.71±0.07b 114.90±1.08b S3 2.29±0.003c 62.75±0.04c 111.47±0.20c S4 2.18±0.008d 62.17±0.06d 105.15±0.28d S5 2.12±0.014e 61.30±0.02e 100.70±0.69e E F值F value 511.29** 5145.78** 875.16** S F值F value 2493.6** 14680.76** 4342.28** E×S F值F value 175.6** 4430.13** 435.6**