Clement Tshuma believes his small-scale vegetable operation near Kempton Park in Gauteng, not only ensures the sustainability of his own future, but a similar model could be the answer to...
Readers frequently ask me for specific fertiliser programmes for their crops. I would happily oblige if all crops were the same!
The survival mechanisms that enabled the ancestors of modern crops to survive in the wild will influence the efficacy of the fertiliser we apply to these crops today.
We sometimes tend to make assumptions about how a crop will react without considering the survival mechanisms inherited from its wild ancestors.
When trying to predict how a crop will respond to various situations, remember that all cultivated crops originated from wild ancestors growing in competition with many other species.
A crop has no way of ‘knowing’ or ‘sensing’ your good intentions. Instead, it responds to the prevailing conditions as a means of self-preservation.
When a farmer says he has 20 years’ experience, it could mean that he has simply been doing the same thing for 20 years without ever trying anything new!
Where many farmers fall short is knowing how deep the water has penetrated after irrigation or rain.
Farmers often ask me how frequently and how much they should irrigate. There is no simple answer, as many aspects must first be considered.
We recently discussed how to identify mineral deficiencies and eelworm infestation. Many other problems can occur, of course.
Eelworm is generally considered the world’s worst crop pest.
The daily sales process is like a finely-tuned machine, and like any machine, it needs oil. In this case, that oil is communication.