Now showing items 1-10 of 42
Proceedings of the rice-wheat research end-of-project workshop
(CIMMYT; Rice-Wheat System Research Consortium; NARC, 1998)
This proceedings synthesizes results of six years of research by scientists of the Nepal Agricultural Research Council (NARC) at sites in the lowlands and mid-hills where the rice-wheat cropping system is important. The ...
Increasing wheat yields sustainability through agronomic means
This paper examines common factors that constrain wheat yields: insufficient nutrients (using nitrogen as an example); problems of late planting and poor crop establishment; suboptimal water management; lodging; and weeds. ...
Research on soil fertility in Southern Africa: ten awkward questions
By raising important, sometimes ignored questions about research on soil fertility management in the subsistence, risk-prone maize-based cropping systems of sub-Saharan Africa, this paper seeks to improve the quality of ...
Conservation tillage or residue conservation? An evaluation of residue management in Mexico
The key to conservation tillage is the use of crop residues as mulch. However, there is some confusion over the term conservation tillage, among other things, because too much emphasis has been placed on tillage. Since ...
The normalized difference vegetation index (NDVI) Greenseeker(TM) handheld sensor: toward the integrated evaluation of crop management part A: concepts and case studies
Reflectance is the ratio of energy that is reflected from an object to the energy incident on the object. Spectral reflectance of a crop differs considerably in the near infrared region (λ = 700-1300 nm) and in the visible ...
Rice wheat cropping systems in Faizabad District of Uttar Pradesh, India: exploratory surveys of farmers' practices and problems, and needs for further research
The rice-wheat (R-W) cropping pattern is very important in eastern Uttar Pradesh (U.P.), India (Figure 1). Of the 18 Districts (three divisions) in this part of the State under the responsibility of the Narendra Deva ...
A short-term assessment of carbon dioxide fluxes under contrasting agricultural and soil management practices in Zimbabwe
(Canadian Center of Science and Education, 2015)
Two of the biggest problems facing humankind are feeding an exponentially growing human population and preventing the accumulation of atmospheric greenhouse gases and its climate change consequences. Refined agricultural ...
How much can smallholders in Bangladesh benefit from summer tomato cultivation? an applied agro-economic analysis of on-farm data
(SAARC Agricultural Centre, 2015)