牧草

In this paper, we studied community stability, forage quality and yield character about the mixed-sowing of Medicago sativa and Bromus intermis from 2003 to 2004 and using Factor Analysis, Principal Components Analysis methods and getting the yield forecast model with linear regress multianalysis method. The study provided theoretical foundation for establishing high yield and good quality artifical pasture.

本试验以紫花苜蓿与无芒雀麦为供试材料，于 2003~2004 年对 6 个不同混播处理的群落稳定性、牧草产量及质量性状进行了系统的研究，并运用因子分析法、主成分分析法和多元线性回归的方法，建立了产量预测预报模型，结合经济效益评价和提高土壤肥力的因素，确立最佳混播处理。

Seed vigor and drought resistance of three perennial forages belong to Bromus (Bromus ciliatus, Bromus inermis, Bromus ircutensis) in the period of seed germination were compared under PEG-6000 of different levels drought stress.

用不同浓度的PEG-6000溶液模拟干旱胁迫，比较雀麦属3种多年生牧草（缘毛雀麦、无芒雀麦、沙地雀麦）种子萌发期的种子活力与抗旱性。

The results indicated that, the stress-strain curve of bottom stems obeyed Hooke's law; the tensile strength of Bromus inermis was higher than Coronilla varia, but the elastic was smaller; the tensile strength and cellulose contents of Coronilla varia were smallest (13.87%) in the four species.

研究结果表明：4种牧草收割期底部茎秆应力σ与应变ε曲线服从虎克定律，禾本科扁穗冰草茎秆抗拉强度高而弹性小；豆科小冠花茎秆抗拉强度最低，柔韧性强，纤维素质量分数也最低（13.87%）。

By the cluster analysis, 10 grasses were classified into three types—of high barren resistance: Bromus inermis,Festuca arundinacea, Dactylis glomerata; of medium barren resistance: Bromus biebersteinii,Phleum pratense,Phalaris arundinacea; of low barren resistance: Festuca rubra, Agropyron desertorum,Agropyron smithii,Elytrigia elongate.

对10种牧草进行聚类分析，得出耐贫瘠性强的是无芒雀麦、苇状羊茅、鸭茅；耐贫瘠性中等的是草地雀麦、猫尾草、草芦；耐贫瘠性最弱的是紫羊茅、沙生冰草、蓝茎冰草、长穗偃麦草。

In order to select a kind of eminent grass which is adaptable to the northern China, the present thesis studies ten kinds of grasses from Gramineae, Bromus biebersteinii,Bromus inermis,Festuca arundinacea ,Festuca rubra,Dactylis glomerata ,Phleum pratense,Agropyron desertorum,Agropyron smithii,Elytrigia elongate and Phalaris arundinacea,and also explores the physiological aspects of their drought resistance, cold tolerance and barren resistance. The drought resistance experiment was conducted to study 10 grasses under water stress during seedling stage by simulating indoor drought environment.

为了能选适应我国北方地区的抗旱、耐寒、耐贫瘠特性的优良牧草，本研究以草地雀麦、无芒雀麦、苇状羊茅、紫羊茅、沙生冰草、蓝茎冰草、长穗偃麦草、猫尾草、鸭茅、草芦为材料，在抗旱、耐寒和耐贫瘠性特性三方面的生理方面进行了探索研究。

The combined strength and durability of these fine textured, bunchy grasses bring a unique appeal to this mixture.

天然牧草：选自于欧亚大陆和美洲，杰克林爱尔兰混合草种可以忍耐各种各样的土壤和维护。这些耐久性的优良性质可以带来独特的景观。

As important forage crops, legumes of the genus Chamaecrista play an important role on soil improvement, water and soil conservation, etc.

摘要决明属牧草既是重要的饲料作物，又在土壤改良、水土保持等多方面发挥着积极作用。

Effects of boron on the growth, nutrition quality and nitrogen-fixing ability were studied in Chamaecrista rotundifolia. Compared with the control, the branch numbers, root and shoot biomass of C.

设立田间小区试验，探讨在红壤中施用不同浓度的硼肥对圆叶决明植株生长、牧草品质和根瘤固氮能力的影响。

Effects of boron on the growth, nutrition quality and nitrogen-fixing ability were studied in Chamaecrista rotundifolia. Compared with control,the branching numbers, root and shoot biomass of C.

设立田间小区试验，探讨在红壤中施用不同浓度的硼肥对圆叶决明植株生长、牧草品质和根瘤固氮能力的影响。

Good success has been achieved using a canadian designed , and chinese replicated straw crimper to stabilize dunes and allow sites for seeded forage establishment

利用加拿大设计中国制造的秸秆镇压机在固定沙丘种植牧草方面取得了成果。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。