Response of rainfed rice to farmyard manure placement and soil compaction [India]
1986
Bhatnagar, V.K. | Sharma, B.R. | Katoch, K.K. (Vivekanandu Laboratory for Hill Agriculture, Uttar Pradesh (India). Indian Council of Agricultural Research)
The soil was a silt loam with 0.93% organic C and available moisture content of 14% (wt/wt). The crop received a basal dose of 40-18-33 kg NPK/ha. Rice was sown 5 Jul 1985 in row 23 cm apart. Manure was applied at 10 t/ha. Yields were significantly higher with surface incorporation and placement at 10-cm depth. Interrow soil compaction increased yield 9%. Weed growth was reduced by about 64% in soil compacted plots. Surface layer soil moisture retention was increased by soil compaction and FYM placement. Profile moisture in the compacted plots was about 2 cm higher than in the uncompacted plots.
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