Ss. Thakur et al., Effect of organic manure, fertilizer level and seed rate on yield and quality of late-sown wheat (Triticum aestivum), I J AGRON, 44(4), 1999, pp. 754-759
A fixed plot field experiment was conducted during winter during seasons of
1992-94, to study the effect of organic manure, fertilizer level and seed
rate on yield and quality of late-sown wheat (Triticum aestivum L. emend. F
iori & Paol.). Organic manuring at 10 tonnes/ha recorded higher values of y
ield attributes, grain and straw yields, grain protein content, net return
and net return/rupee investment than no organic manure. Application of 150%
more than recommended dose of fertilizers (100:50:25 kg N : P : Wha) recor
ded significantly higher grain yield, harvest index and grain protein conte
nt than the lower levels of fertilizers. However, net return and net return
/rupee investment with 125% or 150% more application of fertilizers than th
e recommended dose were at par. The seed rate of 200 kg/ha recorded signifi
cantly higher grain and straw yields than 150 and 100 kg/ha but both net re
turn and net return/rupee investment were at par with 150 kg seed rate. Pro
tein content in grain was unaffected by seed rates. The seed rate of 150 kg
/ha recorded significantly higher harvest index than 200 kg seed/ha. Applic
ation of 10 tonnes/ha organic manure along with the recommended dose of fer
tilizer resulted in the same yield as obtained with 125% higher dose of fer
tilizers. However, 10 tonnes organic manure together with 125% more than th
e recommended dose of fertilizers recorded significantly higher grain yield
than the application of 150% more fertilizers alone.