Francuois Müller

8 Questions 12 Answers 0 Followers

Questions related from Francuois Müller

What are the daily recommended intakes for cobalt at different ages?

I am trying to find a reference to the daily recommended intakes for cobalt at different ages. I can only find recommended daily intakes for vitamin B12, and I know cobalt forms part of vitamin B12.

18 February 2016 4,757 3 View

What parameters need to be assessed when selecting indigenous legumes as possible pasture species for dry land pasture/crop systems?

What are the most important characteristics to consider when trying to identify legumes to use in pastures?

05 January 2015 5,648 8 View

How can I carry out breakdown of annual Medicago and Trifolium species seed dormancy over time?

I want to collect seeds from various farms within the agro-pastoral region of the Western Cape Province of South Africa to determine the quality of the soil seed bank on each of the farms and how...

07 September 2014 2,409 9 View

Does South Africa have a dailly reccommended intake (DRI) or upper tollerable levels (ULs) for cobalt and tin?

I am struggling to find information on DRIs and/or ULs of cobalt and tin for South Africa. Are there standards for cobalt and tin consumption in South Africa?

07 August 2014 7,673 2 View

Does anyone have experience with methods to determine soil microbial biomass?

Could anyone provide me with references of how to determine soil microbial biomass?

06 August 2014 610 7 View

Could agronomic bio-fortification through enriched fertilizers be a viable alternative to traditional strategies to overcome the hidden hunger?

There has been significant nutrient depletion from agricultural soils, and existing fertilizers primarily supply plants with the nutrients they need to grow, and not necessarily with the nutrients...

05 August 2014 4,379 18 View

How do residual agrochemicals from the cropping phase affect the establishment of legumes in the pasture phase of rotation farming systems?

One of the problems in rotation cropping systems in South Africa is the poor re-establishment of annual forage legumes after the cropping (wheat or oats) phase. Is it possible for agrochemicals...

28 July 2014 1,173 2 View

What are some methods to determine storage/food reserves in pasture and forage legume seeds?

I am looking for methods to determine the storage/food reserves used to support early seedling growth in annual forage legume seeds. I am using several species and multiple cultivars within...

10 July 2014 4,981 2 View