grass seed drill是什么意思

用法例句

Affection of Cd on the Young Herbage Seedling Growth;

镉对牧草幼苗生长的影响

Study on the Space Mutagenic Effect of Two Herbage Seeds;

2种牧草种子空间诱变效应研究

Comparison on the regime of herbage nutrient between karst and non karst area in Maocun village, Guilin;

桂林毛村岩溶区和非岩溶区牧草养分动态的对比研究

Analysis of heavy metals pollution in forage grass of white yak in Tianzhu;

天祝白牦牛放牧牧草的重金属污染分析

Application of Near-Infrared Reflectance Spectroscopy in Grass Breeding with Space Flight Mutagenesis;

近红外光谱分析原理及其在牧草航天育种的应用前景

Legume forage resources and floristic characteristics in Gansu Province;

甘肃省豆科牧草资源及植物区系分析

Study on the Growth Status and Cu and Zn Absorptions of Different Forage Varieties in Wormcast-based Media Polluted by Heavy Metal;

牧草在重金属污染蚓粪基质中生长状况及对Cu·Zn吸收的研究

Effect of concentrate-forage ratio in diet on liveweight gain of stall-fed goats;

日粮中精料和牧草比例对舍饲山羊增重的影响

The knowledge representation of diagnostic system of pasture disease——the disease diagnostic in the expert system of Chinese Pratacultural Development and Ecology Construction;

牧草病害诊断系统的知识表示——《中国草业开发与生态建设》专家系统病害诊断

Allelopathy of Eupatorium adenophorum on germination and seedling growth of 16 pastures;

紫茎泽兰对16种牧草发芽及幼苗生长的化感作用

Present situation,nitrogen fertilizer effect and N_2O emission on pasture in hilly areas of Southern China;

南方山地牧草发展现状、施氮效应与N_2O排放的研究进展

A study on characteristics of forage grass growth in Southeast Gansu;

陇东南牧草生长特征的研究

Investigation on germplasm resources of forage grass in Gansu province;

甘肃省主要优良牧草种质资源野外调查

Thoughts on the establishment of reproductive system of fine forage grass seed in Sichuan;

四川牧草良种繁育体系建设思路