摘要
[目的]研究钻石T黑麦草产量和品质对浇灌的响应,摸清钻石T黑麦草在不同条件下的生育特性。[方法]采用旱地、稻田浇水、灌水和室内测试分析的方法对其产量和品质进行试验。[结果]钻石T产草量对水分很敏感,其中,稻田浇水对产草量影响最大,其产草量最高,为70 285.13 kg/hm2,其次稻田灌水处理(产草量68 951.13 kg/hm2),与其他4个处理之间达极显著水平,旱地浇水处理影响最小,产草量仅54 152.06 kg/hm2;干鲜比以稻田对照最高,为0.158 3,其次稻田浇水为0.137 5,而稻田灌水对干鲜比影响最小,产草量仅0.091 9。在浇灌条件下,钻石T黑麦草无氮浸出物和钙含量降低,降幅为1.27%～5.06%,含水量、粗蛋白、粗脂肪、粗纤维、粗灰分和全磷含量提高,其中粗灰分提高达12.37%,其余大多提高不明显,增幅为0.8%～6.52%。[结论]钻石T黑麦草产量和干物质积累受土壤的保水能力和含水量影响较大,品质的影响不显著,稻田不浇水或适量浇水、旱地则以灌水有利于钻石T干物质含量的提高;在少雨缺水的冬季和地区,生产中无论稻田还是旱地种植钻石T黑麦草,都应重视水分管理。
[Objective] To study response of diamond T ryegrass yield and quality to irrigation,grasp the growth characteristics of diamond T ryegrass under different conditions.[Method] The yield and quality of diamond T ryegrnss was tested by using dry land,paddy field irrigation,irrigation and indoor test.[Result] The results showed that：the yield and quality of diamond T yield is very sensitive to moisture,the paddy field watering had the greatest influence on the yield of grass（702 85.13 kg/hm2）,followed by rice irrigation 68 951.13 kg/hm2,and the other among 4 treatments reached significant level,dry watering treatment effect of minimum,only 54 152.06 kg/hm2 ; ratio of dry weight to control the highest rice,0.158 3 rice,then watering is 0.137 5,and the paddy field irrigation on fresh and dry than the minimal impact,only 0.091 9.In well watered conditions,diamond T ryegrass decreased nitrogen extract and the content of calcium,in the range of 1.27％-5.06％,increase the moisture content,crude protein,crude fat,crude fiber,crude ash and total phosphorus content,the crude ash increased up to 12.37％,most of the rest of the improvement is not significant,increase in 0.8％-6.52％.[Conclusion] Affected by soil water holding capacity of the diamond T ryegrass yield and dry matter accumulation and water content influence,quality is not significantly affected,paddy field,dry land without water or the amount of water for irrigation is beneficial to dry matter content of the diamond T increase ; the lack of rainfall in winter and in the production area,regardless of paddy or upland cropping diamond T ryegrass,should pay attention to water management.
出处
《安徽农业科学》
CAS
2014年第21期7027-7029,共3页
Journal of Anhui Agricultural Sciences
基金
贵州省科学技术厅项目(黔科合J字[2006]2054号)
关键词
钻石T
产量
质量
浇灌
响应
The diamond T
Yield
Quality
Irrigation
Response
