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COMPARATIVE STUDY OF ECONOMIC EFFICIENCY ON AGROSTIS CAPILLARIS NATURAL AND OVER-SEEDED GRASSLAND -PREAJBA GORJ
Abstract
This comparative study, take in discussion the natural and over-seeded grassland to determine the maximum efficiency of fertilizers applied on both, and tell which variant is better. For solving the objectives in the spring of 2014, were placed two experiences into the field of Preajba Experimental Center - Gorj, taking into account the selection of land area representative in terms of floristic composition and terrain orography. [8] Both experiences had 8 variants and 3 repetitions being placed after randomized block method, fertilized with manure and NPK (15:15:15), in dose of 50 kg/ha N + 50kg/ha P2O5 + 50kg/ha K2O. The variant used for each experience was: unfertilized (V1), fertilized with 5 t/ha manure (V2), 10 t/ha manure (V3), 15 t/ha manure (V4), 20 t/ha manure (V5), 10 t/ha manure + 50N 50P2O5 50K2O (V6), 15 t/ha manure + 50N 50P2O5 50K2O (V7), 20 t/ha manure + 50N 50P2O5 50K2O (V8). This paper comparing the result obtained on both type of grassland for determining which is better and more affordable on costs.
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