摘要
为探究不同种植密度对新疆北部春季野生牧草东方旱麦草(Eremopyrum orientale)生长与品质的影响,采用盆栽试验,设置了每盆3、6、10株的3个种植密度,分别约为100、200、335株·m^(-2),测定各种植密度下东方旱麦草的株高、叶长、叶宽、茎粗、分蘖数、生物量、粗蛋白、中性洗涤纤维和酸性洗涤纤维等指标,并进行差异分析。结果表明:东方旱麦草的株高、叶长、叶宽和群体生物量随着种植密度增加而增加;种植密度对茎粗、分蘖数、单株生物量和根冠比无显著影响(P> 0.05);东方旱麦草的粗蛋白、中性洗涤纤维、酸性洗涤纤维含量随着种植密度的增加而增加。综合考虑群体产量和牧草品质,10株·盆^(-1)(335株·m^(-2))种植密度下东方旱麦草在春季补饲中能够发挥更大的作用。
To explore the effect of planting density on the growth and quality of Eremopyrum orientale in northern Xinjiang,a potting experiment was used to set up three planting densities of 3, 6 and 10 plants per pot, about 100, 200 and 335plant·m^(-2), respectively, and the plant height, leaf length, leaf width, stem thickness, tillering number, biomass, crude protein,neutral detergent fiber and acid detergent fiber under each planting density were determined, and the difference analysis was carried out. The results showed that the plant height, leaf length, leaf width and population biomass of E. orientale increased with the increase of planting density, and the planting density had no significant effect on stem thickness, tillering number,single plant biomass and root-to-shoot ratio(P > 0.05), and the contents of crude protein, neutral detergent fiber, and acid detergent fiber of E. orientale increased with the increase of planting density. Considering the population biomass and forage quality, E. orientale grown under the planting density of 10 plants per pot(335 plant·m^(-2)) can play a greater role in spring supplementary feeding.
作者
王玲秀
娄亚桦
邵帅
WANG Lingxiu;LOU Yahua;SHAO Shuai(College of Grassland Science,Xinjiang Agricultural University,Urumqi 830052,Xinjiang,China;Key Laboratory of Grassland Resources and Ecology of Western Arid Region,Ministry of Education,Urumqi 830052,Xinjiang,China;Key Laboratory of Grassland Resources and Ecology of Xinjiang,Urumqi 830052,Xinjiang,China)
出处
《草业科学》
CAS
CSCD
北大核心
2022年第3期503-510,共8页
Pratacultural Science
基金
新疆维吾尔自治区自然科学基金项目(2019D01A53)。
关键词
种植密度
东方旱麦草
生长性状
生物量
牧草品质
planting density
Eremopyrum orientale
growth traits
biomass
forage quality
