Performance of sweet corn (Zea mays) varieties under varying fertility levels
2014
Suthar, M. | Singh, D. | Nepalia, V. | Singh, A.K.
A field experiment was conducted at Udaipur during the rainy (kharif) season of 2011, to work out optimum fertilizer dose and to evaluate production potential of sweet corn [Zea mays (L.) spp. Saccharata] varieties. The treatment consisted of combinations of 4 sweet corn varieties (‘Sugar 75’, ‘Win-Orange’, ‘Madhuri’ and ‘Bright Jean’) and 4 fertility levels (70 + 30, 90 + 40, 110 + 50 and 130 + 60 kg N + P₂O₅/ha). The highest nutrient uptake by green grain and green fodder, protein, moisture and total soluble solids (TSS) content of green grain, protein content and total digestible nutrient content (TDN) of green fodder, green cobs yield (12.66 t/ha), green fodder (26.54 t/ha), net returns (127.8 × 10³ /ha) and benefit:cost ratio (6.0), ‘Sugar 75’ proved best and economically profitable compared to rest of varieties. Application of 90 kg N + 40 kg P₂O₅/ha significantly increased quality of green fodder and grain, green cobs (9.97 t/ha), green fodder (19.97 t/ha) yields and proved economically beneficial compared to 70 kg N + 30 kg P₂O₅/ha.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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