农学 >>> 农学总论 作物学 园艺学 土壤学 植物保护学 农药学 林学 畜牧学 兽医学 水产学
搜索结果: 1-15 共查到农学 introduction相关记录31条 . 查询时间(0.119 秒)
The development of technologies for the genetic manipulation of mitochondrial genomes remains a major challenge. Here we report a method for the targeted introduction of mutations into plant mitochond...
This study was carried out in Loveh forest, north of Iran. We measured the quantitative characteristics of seedlings including collar diameter (measured at 1 cm above the soil surface), height, and cu...
西北农林科技大学植物保护学院农业昆虫学英文课件 Introduction
西北农林科技大学动物科技学院牧草栽培学英文课件 Introduction
Reduced-tillage systems including no-tillage and stripillage have well-known benefits for conserving and improving soils, protecting vulnerable crops from extreme weather events, and reducing ...
The aim of this study was to evaluate a new double-channel system for ultrasound-guided transvaginal intrafollicular treatment in cattle. The system is equipped with separate aspiration and treatment ...
南京农业大学土壤学课件 Introduction to Soil Science。
南京农业大学动物医学院动物解剖学课件 Introduction
Introduction to Aquaculture     Introduction  Aquaculture       < 2013/6/28
Aquaculture, the cultivation of freshwater and marine plants and animals, is one of the fastest-growing segments of U.S. agriculture. This fact sheet provides information on marketing and care of fres...
We designed new atmospheric pressure plasma device, to explore appropriate voltage of plasma treatment that promote traits and yield of to-mato, tomato seeds were treated by plasma at 4760 to 6800 V, ...
Corallita (Antigonon leptopus) is a perennial vine, lauded as an ornamental for its vigorous growth, and plentiful (usually) pink flowers, and even its ability to smother unsightly landscapes. In the ...
Limited nutrient supply control of tomato grown in substrate culture using a double trough bed was investigated. Two experiments were conducted to determine the effect of a reduced amount of nutrient ...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...