Jawaharlal Nehru Krishi Vishwa Vidyalaya Jabalpur

Madhya Pradesh, India

Jawaharlal Nehru Krishi Vishwa Vidyalaya Jabalpur

Madhya Pradesh, India
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Keram K.S.,Jawaharlal Nehru Krishi Vishwa Vidyalaya Jabalpur | Sharma B.L.,Jawaharlal Nehru Krishi Vishwa Vidyalaya Jabalpur | Sharma G.D.,Jawaharlal Nehru Krishi Vishwa Vidyalaya Jabalpur
Research Journal of Chemistry and Environment | Year: 2015

The results of comprehensive field experiment revealed that the application of Zn @ 2.5, 5, 10 and 20 kg ha-1 significantly increased DTPA-extractable Zn, WS-Zn, EX-Zn, CMPLX-Zn, ORG bound-Zn, CRAMOX bound-Zn, CRYOX bound-Zn and total-Zn at 0, 15, 30, 60, 90 and 120 DAS as compared to control. However, the DTPA-extractable Zn, WS-Zn, EX-Zn, CMPLX-Zn, ORG bound-Zn, CRAMOX bound-Zn, CRYOX bound-Zn and total-Zn reduced with ascending days after sowing (0 to 120 DAS). The maximum residual-Zn was observed with the application of 1.25 kg Zn ha-1 at 15, 30, 60, 90 and 120 DAS. Further, it was revealed that the fractions contributing directly and positively to total-Zn are WS-Zn, EX-Zn, CMPLX-Zn, ORG bound-Zn, CRAMOX bound-Zn, CRYOX bound-Zn and residual- Zn and indicate the influence of these fractions on availability of Zn in soil under field condition. The per cent contribution of all the fractions to total-Zn decreased with the increasing days after sowing (0 to 120 days) while the contribution of residual-Zn was maximum and increased with ascending days after sowing.


Khobragade R.K.,Jawaharlal Nehru Krishi Vishwa Vidyalaya Jabalpur | Bisen S.,Jawaharlal Nehru Krishi Vishwa Vidyalaya Jabalpur | Thakur R.S.,Jawaharlal Nehru Krishi Vishwa Vidyalaya Jabalpur
Indian Journal of Agricultural Sciences | Year: 2012

An experiment was conducted to study the effect of planting distance and pinching on growth, flowering and yield of China aster (Callistephus chinensis L. Nees.) cv. Poornima. The experiment consisted of six spacing (20 × 10, 30 × 10, 40 × 10, 30 × 20, 30 × 30, 40 × 20;) and with unpinched and pinched and laid out in factorial randomized block design with two replications. The closer spacing 20 cm × 10 cm produced taller plants (86.74 cm) and flower production was higher / unit area then wider spacing. Pinching reduced the plant height and delayed flowering. Pinched plant yield more than unpinched plant. The interaction of spacing and pinching was found that closer spacing with pinching gave higher yield (56.75 kg/plot) and economically best than wider spacing with unpinched plants. Wider spacing with pinched plants given more number (60.90), weight (381.05 g/plot) and diameter (5.90 cm) of flowers.

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