KECKALO V.

PRODUCTIVITY HEAD LETTUCE IN SPRING GREEN HOUSES

In this scientific article we present the results of researches based on head lettuce sorts of Alanis and Stallion efficiency growing by seedlings planting in the closed soil. There was determined the influence of planting method and plants nourishing during the planting period on their growth, development and biometrical indexes. There was also determined the productivity level and marketability of the production