The RESPONSE OF SOURCES AND LEVELS OFNITROGEN ON POTATO TUBER YIELD THROUGHDRIP FERTIGATION
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Authors
-
kiranbhai Rabari
SDAU
-
D.L.Sundesha
SDAU
Keywords:
Source of fertilizers,Nnitrogen, Tuber yield, Dry matter, StarchAbstract
Potato growing in north Gujarat is most prevalent practice since last so many years. It is important rabi crop
and gives good amount of money per unit area with best management practice. The experiment was undertaken during
rabi 2019, 2020 and 2021 at Agricultural Research Station, S. D. Agricultural University, Aseda (Gujarat). The treatments
comprised of three levels of source of nitrogen (S): S1 : Urea, S2 : 17-44 + micro nutrient grade III (1.0 %),S3 : WSF 19-19-
19 and three levels of nitrogen (N)N1 : 100 % RDN, N2 : 75 % RDN, N3 : 50 % RDN. The experiment was laid out in a
factorial randomized block design with three replications. Significantly higher tuber yield were recorded under the WSF 19-
19-19 (40.08 t/ha) and 100% (RDN) treatment (37.75 t/ha). Interaction effect showed no significant result. Higher value of net
return (` 186625/ha) and BCR of 3.00 were recorded under the treatment S1:Urea and 75% nitrogen (145032/ha, BCR of 2.20).
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