• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文会议>International Turfgrass Society research journal >PHOSPHORUS AND NITROGEN RATE EFFECTS FOR TURFGRASS SOD ESTABLISHED ON A PHOSPHORUS DEFICIENT SOIL
【24h】

PHOSPHORUS AND NITROGEN RATE EFFECTS FOR TURFGRASS SOD ESTABLISHED ON A PHOSPHORUS DEFICIENT SOIL

机译：在缺磷土壤上建立草皮草的磷和氮速率效应

获取原文
获取原文并翻译 | 示例
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Phosphorus (P) is an essential nutrient for plant growth.Research has shown that when establishing turfgrass from seed,P applications increase top and root growth and increase seedling density.There has been less research on the effect of P applications on turfgrass establishment from sod.The objective was to determine the effect of nitrogen (N) and P applications on Kentucky bluegrass (Poa pratensis L.) sod planted on a high clay,low P sub-soil representative of newly constructed landscapes.Treatments included 98,156,and 208 kg N ha-1 yr-1 and 0,24,and 48 kg P2O5 ha-1 yr-1.The 98 kg N ha-1 yr-1 treatment had the lowest clipping yields,color,and quality ratings throughout the research.For a Kentucky bluegrass lawn where dark green color is not critical and lower clipping yields are desirable,the 98 kg N ha-1 yr-1 rate is recommended.If a dark green color is important for the appearance of the lawn and higher clipping yields are not problematic,the 208 kg N ha-1 rate would be best.Soil P in the sod thatch layer was 58 mg kg-1 and likely resulted in the lack of turfgrass response to P applications.For sod grown on soil that is high in P our research concludes that after transplanting to a low P soil there may not be a response to P applications.
机译：磷是植物生长必不可少的营养素。研究表明，从种子种植草皮时，磷肥可增加根部和根部生长，并增加幼苗密度。目的是确定氮（N）和磷（P）施用对种植于代表新建成景观的高粘土，低磷次土壤的肯塔基蓝草（Poa pratensis L.）草皮的影响。处理包括98,156和208 kg N ha-1 yr-1和0.24，以及48 kg P2O5 ha-1 yr-1.98 kg N ha-1 yr-1处理在整个研究中具有最低的修剪产量，颜色和质量评级。如果肯塔基草丛中深绿色不是很关键并且希望降低修剪效果，则建议使用98 kg N ha-1 yr-1的比率。如果深绿色对于草坪的外观很重要并且修剪效果更高，则建议没问题，208 kg N ha-1的比例最好。草皮茅草层中的P为58 mg kg-1，可能导致草皮对P的施用缺乏反应。对于在P高的土壤上生长的草皮，我们的研究得出结论，移栽到低P的土壤上可能不会对P应用程序的响应。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号