RESPONSE OF ONION (Allium cepa Linn.) TO TILLAGE DEPTH AND FYM IN KYARI LAND OF PADDY UNDER SOUTH GUJARAT CONDITIONS
KrishiKosh
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Title |
RESPONSE OF ONION (Allium cepa Linn.) TO TILLAGE DEPTH AND FYM IN KYARI LAND OF PADDY UNDER SOUTH GUJARAT CONDITIONS
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Creator |
GAMI, MANOJKUMAR R.
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Contributor |
ARVADIA, M.K.
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Subject |
tillage, farmyard manure, onions, yields, crops, planting, tillage equipment, land resources, drying, biological development
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Description |
A field experiment was conducted during rabi seasons of 2005-06 and 2006- 07 at the College Farm, Navsari Agricultural University, Navsari to study the response of onion to tillage depth and FYM in kyari land of paddy under South Gujarat conditions. The soil of the experimental field was clayey in texture, low in nitrogen, medium in available phosphorus and fairly rich in available potassium. Total nine treatment combinations consist of three levels each of tillage depth (viz., T1 : 7.5 cm depth, T2 : 15 cm depth and T3 : 22.5 cm depth) and FYM (viz., F0 : no FYM, F1 : FYM @ 10 t ha-1 and F2 : FYM @ 20 t ha-1) were evaluated in split plot design with four replications. The experimental field was prepared by tractor drawn cultivators and mould board plough according to the tillage treatments. Onion cv. Talaja Red was planted in last week of December during both the years. Two years pooled results indicated that almost all the growth and yield attributing characters were significantly influenced due to various treatments of tillage depth. Tilling the soil either upto 22.5 cm or 15 cm depth were equally effective in improving the growth and yield parameters viz., plant height, number of leaves per plant, dry matter accumulation, dry matter yield, neck thickness, root length, dry weight of root, bulb volume and bulb size, but significantly superior to shallow depth upto 7.5 cm. As a consequence, the treatment with 22.5 cm depth recorded significantly the higher bulb yield (22.69 t ha-1) over 15 cm and 7.5 cm depth. The treatment with 22.5 cm depth increased the bulb yield by 12.99 and 47.24 per cent, respectively over 15 cm and 7.5 cm depth. The quality in terms of TSS was also significantly improved with deep tillage compared to shallow tillage. Likewise, nutrient content and uptake by onion crop were also appreciably increased under deep cultivation over shallow tillage. So far as soil physical and chemical properties are concerned, bulk density, infiltration rate, water stable aggregates, organic carbon content, available nitrogen and phosphorus after harvest of onion crop were considerably improved under deep tillage over shallow tillage. From the economic point of view, onion crop grown with 22.5 cm tillage depth secured maximum gross return of Rs. 1,36,140 ha-1 with CBR of 1 : 4.65, closely followed by Rs. 1,20,480 ha-1 with CBR of 1 : 4.20 under 15 cm depth. Addition of FYM was certainly proved better than no application. Almost all the growth and yield attributes viz., plant height, number of leaves per plant, dry matter accumulation, dry matter yield, neck thickness, root length, dry weight of root, bulb volume and bulb size were significantly improved with FYM application. As a consequence, application of FYM either @ 20 or 10 t ha-1 were equally good with bulb yield of 22.15 and 19.82 t ha-1, respectively, but significantly superior to no FYM. The FYM applied @ 20 and 10 t ha-1 increased the bulb yield to the tune of 36.64 and 22.27 per cent, respectively over no FYM. The quality in terms of TSS was also improved with FYM application over no FYM. The NPK content and uptake by onion crop were also considerably increased with FYM application compared to no FYM. As far as soil physical and chemical properties are concerned, bulk density, infiltration rate, water stable aggregates, organic carbon content, available nitrogen and phosphorus after harvest of onion crop were significantly improved with FYM application over no FYM. From the economic point of view, onion crop grown with FYM @ 20 t ha-1 gave the maximum gross return of Rs. 1,32,900 ha-1 with CBR of 1 : 3.98, closely followed by Rs. 1,18,920 ha-1 with CBR of 1 :3.91 under FYM @ 10 t ha-1. Based on the two years results obtained in the present investigation, it can be concluded that higher and profitable yield of onion (cv. Talaja Red) can be secured by tilling the soil upto 22.5 cm depth along with application of FYM @ 20 t ha-1 in addition to recommended NPK in kyari land of paddy under South Gujarat conditions. |
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Date |
2016-03-08T11:54:29Z
2016-03-08T11:54:29Z 2007-12 |
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Type |
Thesis
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Identifier |
http://krishikosh.egranth.ac.in/handle/1/64922
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Language |
en
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Format |
application/pdf
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Publisher |
Navsari Agricultural University, Navsari
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