Keywords
current use
agrological quality
limitations
capacity for use
How to Cite
Abstract
The objective of the research was to determine the effect of planting Inga edulis "guaba" of 2, 4 and 6 years in the contribution of macronutrients N, P, K, in degraded soils ex coca plantations and their economic value. The population was the degraded soils of former cocales of Ricardo Palma Tingo María. The sample: degraded soils ex cocales with Inga edulis “Guaba” planting of 2, 4, 6 years of planting time. The type of research was applied because it sought to determine the effect of the sowing of Inga edulis "Guaba of 2, 4 and 6 years in the contribution of macronutrients N, P, K, in degraded soils ex coca plantations and their economic value. Explanatory level because the planting of Inga edulis "Guaba" and the contributions of macronutrients in degraded excocal soils were analyzed. Observation and laboratory analysis were used as techniques, and location sheets, field notebook and analysis sheet were used as instruments. The results show that degraded soils ex cocales with 2-year-old Inga edulis "Guaba" planting present between 53.27 to 59.30% of exchangeable bases, and between 40.70 to 46.73% of exchangeable acidity with aluminum saturation between 37.63 to 43.78%. . The soils of 4 years present between 74.14 to 83.39% of exchangeable bases, and between 16.61 to 25.86% of exchangeable acidity with aluminum saturation between 14.95 to 25.20%, which means that there is a moderate to high concentration of available aluminum, with the presence of iron phosphates, aluminum and manganese phosphates. The 6-year-old soils have a pH between 5.63 to 6.11, that is, slightly acidic where the soils are productive, because in these lots all the macronutrients (nitrogen, phosphorus, potassium, calcium, magnesium and sulfur), as well as the micronutrients (boron, copper, zinc, Fe, Molybdenum, etc.). It is concluded that it is important to give greater value to the cultivation of Inga edulis "Guaba" the same one that can be used in the recovery of degraded soils ex cocales.
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