Abstract
The experiment was conducted in metallic pots (25x25x25 cm), open at lower end, placed in trenches. Three application levels of N labelled ( NHJ2 $0^ and two levels of' N labelled straw were used to study their effect on yields, particularly in control, and available soil N. It was observed that 23 to 51 % N was used by barley from straw which decreased with increased straw application. Uptake of soil N by barley ranged between 67 to 86 %. Losses of fertilizers N amounted 12 to 34 %. Application of straw decreased the utilization of fertilizer N and decreased its availability to plants in soil
M. Bashir* , Arshad Ali*. (1995) EFFECT OF DIFFERENT LEVELS OF NITROGENOUS FERTILIZER AND STRAW ON BARLEY YIELD AND NITROGEN UPTAKE UNDER RAINFED CONDITIONS, The Journal Soil & Environment , Volume 10, Issue (1-4).
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