"ensure high yields" is correct and usable in written English.
You could use it in an article about managing a business, for example: "Proper management of a business can ensure high yields and maximize profits."
Hopefully enough nitrogen fertilizer was put on at green-up (see Feb 2013 AgFocus article) to ensure high yields of 3-4 tofs of DM per acre.
The unsymmetrical dimers were prepared by sequential coupling of the chromophores to linkers with selectively protected primary terminal amines to ensure high yields and unequivocal product.
Because fruit development of the on-season mangoes occurs during the dry season, farmers have to irrigate mango trees to ensure high yields and good quality.
Most of the fruit development of on-season mango fruits takes place during the dry season and farmers have to irrigate mango trees to ensure high yields and good quality.
However, the formation of two or more capsomers from a single interaction site will require the employment of additional machinery to ensure high yields of the native state.
To ensure high yields, farmers usually apply excessive amounts of both P- and N-fertilizers.
The elution step was repeated after a further addition of 10 μl of EB buffer, to ensure high yield.
The elution step was repeated after a further addition of 10 μl of 100 mM NaHCO3 pH 9.0 to ensure high yield.
The extraction method must ensure high yield and quality of the DNA obtained and must be carefully selected, since even components of DNA extraction solutions can influence PCR reactions.
For example, there is a business case for a commercial farmer to invest in irrigation to ensure higher yields when rainfall becomes more erratic.
The diffusion of commercial crops, which ensure higher yields and sales on the global market, threatens to displace plant varieties unique to Africa.
