Another is the production of a number of crops and livestock in combination.
And the number of crops has dwindled to exactly two: corn and soybeans.
The melon is emblematic of a problem in agricultural biotechnology: the small number of crops that are genetically engineered.
We studied three frequent rotations with a total number of crops ranging from two to four.
Fruit cracking after rain limits the production of a number of crops, including some Ribes species.
Many advances have been made in applying this technique in an increasing number of crops.
'The mutated fungi can cause disease in a large number of crops including tomatoes, peppers, flowers, corn and vines'.
This polygon shapefile represents the average number of crops grown in croplands of central and western Kenya, 1997.
BioWillie is a type of biodiesel, a fuel that can be made from any number of crops and run in a normal diesel engine.
And the sweet potato is just the first of a number of crops that have been bred or engineered to address micronutrient deficiencies.
Indeed, buried deep in the council's report is an appeal to apply genetic engineering to a greater number of crops, and for a greater diversity of purposes.
