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6301. Singh, R.A., O.P. Singh and M. Singh. 1976. Effect of soil compaction and nitrogen placement on weed populations.. Plant and Soil, 44:87-96.
Field experiements showed that soil compaction did not affect wheat yield significantly under rainfed conditions. Weed population was significantly reduced due to soil compaction. Compaction decreased total moisture use and increased water use efficiency. Weed population was not affected due to nitrogen placement. Under rainfed conditions, deep placement of nitrogen was important for increasing the efficiency of fertilizer as well as water utilization by wheat crop.