ANALISIS EFISIENSI DAN SENSITIVITAS USAHATANI MENTIMUN (Cucumis sativus L) (Study Kasus di Dusun Kedung Desa Kedungkumpul Kecamatan Sarirejo Kabupaten Lamongan).

The purpose of this research is to know the business activities and the cultivation of the cucumber, studying the fee structure a cucumber farmer, analyzing the magnitude of R/C ratio and B/C ratio sukatani cucumber. Based on the data and the value of the calculation of the value of NPV and Net B/C for every level of interest rates, then the following conclusions to be drawn, at interest rates of 20%, 25% and 35% of farming the cucumber still very worth to do, because the numbers NPV > 0 (positive), Net B/C > 1 and Gross B/C > 1. Number of cucumber farming IRR 35% indicating positive or profit level. Revenue farmer can experience decreased or increased, it is because of rising prices and declining due to the output and also many of the least amount of production in the marketplace