Agroznanje (Jan 2013)
Some quantitative properties of rye (Secale cereale L.) grown in deposol
Abstract
This paperwork summarizes the three-year research results on the effects that different agricultural measures had on the growth and development of rye (Secale cereale L.). These researches were conducted within the phase of biological reclamation of deposol in the Stanari mine. The significance of rye growing is reflected in grain production of grain and total biomass production. The aim of the research is to determine the effects of different doses of fertilizers and other agromeliorative measures to yield, seed quality and other quantitative properties of rye. A three-year research on rye (2010, 2011 and 2012) has been performed on deposol in the process of reclamation. The experimental plots are located in the internal overburden dump site from the open pit Raškovac - Stanari. Two-factor field experiment was set up according to the randomized block design with four replications. The first factor (A) represents agromeliorative measures applied before and during the sowing (liming and fertilization with NPK fertilizers). The second factor involves tracking the impact of different doses of nitrogen fertilization in vegetation. The plant height, seed yield and mass of 1000 seeds were measured and statistically analysed. The obtained results indicate the presence of statistical differentiation especially among the applied nitrogen fertilization treatments. The maximum measured height of rye plants is 153.67 cm, while the average height is 128.31 cm. Maximum seed yield is 5.53 t/ha, while the average seed yield is 2.60 t/ha. The average value of the mass of 1000 seeds is 37.28 g, the maximum value is 61.92 g and the minimum value is 10.53 g. The minimum value of plant height is 86.53 cm, while the minimum values of seed yield is 0.35 t/ha. The highest median values of plant height and seed yield were achieved by the treatments with maximum nitrogen doses in fertilization process (N54). The maximum median values of the mass of 1000 seed were achieved by the treatments with nitrogen dose of 27 kg/ha N. The applied treatments, along with the agroecological conditions of the environment, have influenced the different results of the measured properties. The obtained results prove that rye can be grown successfully in the process of biological reclamation of deposol, and later in potential production in permanent land reuse.
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