Abstract:
In this paper we propose to determine the number of tubers / nest from three potato varieties grown in organic
conditions Bivolari micro area, village Trifesti The experience was located within Agricole Society Trifesti Astra,
company standard of agriculture in Romania. From a climate perspective, the area is characterized by cold winters and
hot summers.It was installed on trifactorial experiences in 3 repetitions of the type 4Ax3Bx2C, being studied five
varieties of potato. In this paper we present partial results of three varieties Factors are studied, A Factor – Foliar
fertilizing, with graduations, a1- not fertilized,a2 – NPK,a3- ECO 1,a4- ECO 2, B Factor– Foliar fertiliozing : b- Adora
A, România, variety, b2 - Adora E, Olanda, variety, b3- Velox A, Factorul C – vegetation treatment with organic
herbicide: c1- treatment with Novodor ( 4l/ha),c2 treatment with NeemAzal (2l/ha). The analysis of data, it was found
that the three varieties, Adora A, România, variety, b2 - Adora E, Olanda, variety, b3- Velox A,România, behaved
positively registering positive differences from not fertilized var.