搜索结果: 1-6 共查到“作物学 Knowledge”相关记录6条 . 查询时间(0.156 秒)
Genus Hyssopus L. – recent knowledge: A review
Hyssopus L. volatile oil isolation composition efficiency other
2015/1/20
The genus Hyssopus L. – the hyssop is a source of volatile oil whose constituents are sesquiterpene alcohols, many terpene carbonyl compounds and some acids. As documented by the cited data, volatile ...
Knowledge and utilization of job enrichment techniques among district agricultural officers in Botswana
Botswana job enrichment techniques motivation performance district officers knowledge
2011/1/13
In Botswana, agricultural extension services delivery is faced with problems of inadequate skilled manpower to carry out research and disseminate information to farmers and existing staff are not moti...
Farmers’ knowledge in the cropping systems of Northern KwaZulu-Natal, South Africa: Current challenges and solution for sustainable future food production
Cropping systems farmers’ knowledge food production Northern KwaZulu Natal production input small scale farmers
2010/9/14
Most African farmers involved in food production in South Africa; practice peasant farming for consumption and for retail sale in the informal market, local communities and street corners in the citie...
A Quantitative Knowledge-based Model for Designing Suitable Growth Dynamics in Rice
Dry matter Expert system Knowledge-based model LAI Rice Stem number
2009/7/24
Quantifying growth dynamics in rice (Oryza sativa L.) is important for precision design and diagnosis in cultural management. The primary objective of this study was to develop a general knowledge-bas...
A Knowledge-Based Model for Nitrogen Management in Rice and Wheat
Grain yield Nitrogen fertilization model Nitrogen strategy Rice Wheat
2009/7/20
Excessive nitrogen fertilization results in low nitrogen-use efficiency. To improve nitrogen management for high yield and high nitrogen efficiency in rice and wheat, we developed a knowledge-based ni...
Participatory variety selection and characterization of Sorghum（Sorghum bicolor（L.）Moench）elite accessions from Malawian gene pool using farmer and breeder knowledge
Participatory variety selection Sorghum bicolor Malawi agrobiodiversity
2009/3/4
Participatory approaches for variety selection, breeding, ex-situ and in-situ conservation of neglected crops in Malawi was initiated in 1998. The specific objective of the present study was to se...