Contribution à l’étude de l’impact du compost sur le développement végétatif de la culture de tournesol

Abstract

The present study aims to study the effect of different doses (T0 without compost; T1= 100grams of compost; T2= 200 grams of compost and T3= 300grams) of compost, natural fertilizer along the length of the stem and the length of the leaves of the sunflower crop.Compost was prepared from sheep and nettle manure, the test site and the location of the sunflower crop was at the farm level of demonstration and production of seed from Sidi Bel Abbes (ITGC). After amending the compost at different doses, ratings were taken for study. Statistical analysis with statistica 10.2 software variance analysis was performed to confirm our results. The doses that have proven to be the most interesting doses are T2 and T3 treatment