Optimization of Dry Land Through Intercropping of Coffee and Potatoes to Support Farmers’ Income
IOP conference series(2023)
Abstract
Abstract Coffee and potato intercropping is one of the ways to use land and increase farmers’ income. The objective is to increase land production and income of farmers on upland intercropping. The study was conducted at Gurgur Experimental station, Toba Samosir Regency from July to November 2019. The study used a randomized completed block design where the first factor was tuber size, where U1 = large tuber (size 91-120 g) and U2 = small tuber (size 61-90 g), and the second factor was fertilization, where P1 = control; P2 = control + Beauveria; P3 = control + solvent P; P4 = NPK; P5 = NPK + Beauveria; P6 = NPK + solvent P; P7 = NPK + Beauveria + solvent P with 4 replications. The recommendation for potatoes is a complete fertilizer application with the addition of Beauveria and P solvent, plant spacing of 80 x 30 cm, and manure to increase P availability. For coffee plants in the form of pruning, fertilization according to plant age, and application of dolomite and soil organic matter; profit increased by IDR. 102,459,124-, from coffee only IDR. 28,760,000, - to be IDR. 131,219,124, - on the intercropping of Coffee and Potatoes.
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Key words
farmers,intercropping,dry land,potatoes
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