1·Feedstock. Perennial grasses, biomass sorghum, crop residues, soy beans, woody biomass.
生产的原料：多年生禾草、生物质高粱、农作物残余物、大豆、木质生物质。
2·Planting perennial grasses on existing agricultural lands had the most beneficial effect on soil carbon, the researchers found.
研究者发现，在现有农田种植多年生草本植物是涵养土壤，提高碳含量的最佳做法。
3·Farmers nationwide were encouraged, sometimes with cash payments, to stop cultivating their land and to plant native and perennial grasses.
全国农民受到鼓励(有时付给现金)放弃耕种自己的土地，而去种植天然牧草和多年生牧草。
4·Unlike corn, which must be replanted every year, perennial grasses such as switchgrass and Miscanthus preserve and increase carbon stores in the soil.
不像一年生的玉米，多年生的草本植物如柳枝稷和细叶芒可以增加土壤中的碳储量。
5·The leaf epidermal microstructure among 12 perennial grasses was studied by using scanning microscope and Energy Dispersive X-ray (EDX) microanalysis.
用递真空扫描电镜技术和能量分散型X射线（EDX）分析方法研究了12种多年生牧草叶表面的微细构造。
6·Regrowth characteristic in an important characteristic in perennial grasses and the majority of perennial grasses can regenerate after cutting or grazing .
再生性是多年生牧草的一个重要特性，大部分多年生牧草在刈割或放牧后能够再生。
7·The results indicate: 1. In alpine region, the productivity of the grassland can be improved by establishing mixture grassland of cultivated perennial grasses.
结果表明：1 .在高寒地区，通过建植多年生混播禾草人工草地可达到提高草地生产力的目的。
8·Sugar cane is a tropical perennial. It 's one of the grasses.
甘蔗是一种热带多年生植物，它是一种禾本科植物。
9·The paper studied the growth characters and forage production of five perennial species of grasses and legumes based on interplant model of forage +peanut =5 + 6.
本文研究了紫花苜蓿、白三叶、多年生黑麦草、鸡脚草和苇状羊茅等五种多年生牧 草与花生在“5+6”模式套作情况下生长特点以及对饲草生产的影响。