What would the ratio of brown-eyed to blue eyed children be from the mating of a blue eyed male to a heterozygous brown-eyed female?

You want to cultivate some exotic plants at your farm. however, the climate is chillier than the temperature range favorable to the crop. which is the best method to use for the cultivation of this exotic crop? a. use a crop rotation method b. use a lot of fertilizer c. prepare the seed bed properly d. use a greenhouse e. use irrigation