Efeito da adubação foliar em plantas de mandioca cultivadas em sistemas agroflorestais

Abstract

Cassava (Manihot esculenta Crantz). Although empirically cultivated, using rudimentary agronomic methods and low technology, factors that limit its development and growth. However, there are studies aimed at studying alternatives to increase productivity. A viable alternative would be the use of foliar fertilizers. Therefore, the objective was to evaluate the agronomic and productive characteristics of cassava submitted to leaf mineral fertilization. The experiment was conducted at the Experimental Farm of the Federal University of Western Pará. The treatments were: (T1) control, (T2) ENERGY C4 ® , (T3) TORQUE PLUS ® . The parameters evaluated were: plant height (AP) stem diameter (DC) number of leaves (NF) total leaf area (FTA) yield (PR), root length (CR) and root diameter (DR). Therefore, in AP, when energy c4 fertilizer was ® applied, they presented averages of 153.3 cm and 157.2 cm. In PD, higher media were observed in plants fertilized with ENERGY C4 of ® 1.8 and 1.9 cm. For NF plants with application of ENERGY C4 ® presented counts of 74 and 104. In FtA, values of 680 cm² were observed in plants fertilized with ENERGY C4 ® . For PR, torque plus was observed in plants when torque plus ® was applied higher than 46% of plants fertilized with ENERGY C4 ® and 920% of the control group. In CR and DR plants that received leaf fertilization, with a length of 26.5 cm and a diameter of 4.2 cm when energy C4 was applied. It is concluded that the use of foliar fertilizers offers an alternative to improve morphological characteristics and productivity.