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Research Article

Agricultural Science Digest, volume 38 issue 2 (june 2018) : 127-130

Seed yield and nutrient uptake in late sown toria as influenced by different irrigation and fertilizer levels

Pompy Deka, Kalyan Pathak, Mahima Begum, Abhijit Sarma, Poran Kishore Dutta
1Department of Agronomy, Assam Agricultural University, Jorhat– 785013, Assam, India.
Cite article:- Deka Pompy, Pathak Kalyan, Begum Mahima, Sarma Abhijit, Dutta Kishore Poran (2018). Seed yield and nutrient uptake in late sown toria as influenced by different irrigation and fertilizer levels. Agricultural Science Digest. 38(2): 127-130. doi: 10.18805/ag.D-4735.

ABSTRACT

A field experiment was conducted during 2014-15 in the Rabi season at Instructional Cum Research Farm of Assam Agricultural University, Jorhat, Assam, India to find the effect of different irrigation schedule and fertilizer levels on seed yield, oil content  and  nutrient uptake in late sown toria (Brassica campestries var. toria) grown after sali rice. Result revealed that application of different irrigation and fertilizers has significantly increased the yield of late sown toria over control. Out of different irrigation schedule, application of 6 cm irrigation at 25 and 50DAS recorded the higher seed yield (9.55 q/ha) which is 16.60, 23.11 and 37.10 percentage higher  over the other irrigation schedules i.e. 6 cm irrigation at siliqua formation stage (50 DAS),  6 cm irrigation at pre flowering stage ( 25DAS), rainfed respectively.  In case of different fertilizers levels, application of 75-50-50 N-P2O5-K2O kg ha-1 produced the highest seed yield (8.72q/ha) which is statistically at par with 60-40-40 N-P2O5-K2O kgha-1 (8.48 q/ha), but significantly superior than 45-30-30 N-P2O-K2O kg/ha (7.10 q/ha). The oil content was slightly increased with the increase in fertilizer levels, 5.85% and 3.37% oil content was increased with the fertilizes dose 75-50-50 N-P2O5-K2O kg ha-1  and  60-40-40 N-P2O5-K2O kgha-1, respectively over 45-30-30 (Control).  However irrigation has no any significant role in oil content of late sown toria. 

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