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: 1-8 共查到农学 Plant Population相关记录8条 . 查询时间(0.078 秒)
A study was conducted to determine the effects of inter-row spacing (45 and 90 cm) and plant population (40000 and 60000 plants ha-1) on weed biomass and the yield of both green and grain materials of...
A study was conducted in the Department of Plant Breeding and Genetics, University of Agriculture, Faisalabad, Pakistan during 2005. Graphical analysis was made for 7×7 complete diallel cross and ph...
The effect of ambient humidity on the photosynthetic rate of a rice plant population model (area: 120×60 cm, Planting density: about 40 plants/dm2, leaf area index: 6∼7, plant height: about 30 c...
Cotton producers in the Mississippi Delta plant in the early spring, but wet, cold weather often develops that may reduce plant population directly or indirectly. Producers must occasionally decide if...
To reduce seed costs, cotton (Gossypium hirsutum L.) producers aim to reduce plant populations without sacrificing yields. Field experiments examining the impact of plant population and plant...
Sowing date, plant density and harvest date are important factors affecting root yield and quality of sugar beet (Beta vulgaris L.). The effects of sowing date (beginning of April, mid-April, the end ...
Rice production in Pakistan is constraint by many factors pertaining to prevalent planting techniques. A research on the feasibility of new planting techniques (direct seeding on flat, transplanting o...
Field experiments were conducted at Coconut Research Station, Tamil Nadu Agricultural University, Aliyar Nagar during Rabi 2002-’03 and Kharif 2003. The treatment consisted of four groundnut varietie...

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...