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- Title
Enhancing Crop Productivity through Zn and B Fertilization in Maize- Blackgram Cropping System.
- Authors
Saviour, M. Naveen; Stalin, P.
- Abstract
Field experiment was conducted during 2011-12 in maize-blackgram cropping system to determine the effect of boron (B) and zinc (Zn) on the yield and yield components in B and Zndeficient red soils (Fine loamy hyperthermic Udic Haplustalfs) of Pattukkottai series in Pudukkottai district, Tamil Nadu. The treatments included for the main crop maize hybrid (NK-6240) and residual blackgram (var.Vamban-3) were three levels of NPK as main plot treatments M1: Control (No N, P and K), M2: 75% NPK kg ha-1, M3: 100% NPK ha-1 (250:75:75)and nine levels of sub plot treatments as ZnSO4 @ 37.5 kg ha-1(S2), 50kg ZnSO4 ha-1(S3), 10 kg Borax ha-1(S4), 15 kg Borax ha-1 (S5), 37.5 kg ZnSO4 ha-1 +10 kg Borax ha-1 (S6), 37.5 kg ZnSO4 ha-1 +15 kg Borax ha-1 (S7), 50 kg ZnSO4 ha-1 +10 kg Borax ha-1 (S8) and 50 kg ZnSO4 ha-1 +15 kg Borax ha-1 (S9) and also without application of fertilizers was maintained as absolute control (S1) in split plot design. Results revealed that application of ZnSO4 and Borax @ 37.5 kg +10 kg ha-1 respectively combined with recommended 100% NPK ha-1 (M3S6) significantly recorded the highest grain (6.93 t ha-1) and stover yield (12.57 t ha-1). For residual crop black gram, application of ZnSO4 and Borax @ 50 kg and10 kg ha-1 respectively combined with recommended 100% NPK ha-1 (M3S8) significantly recorded the highest seed (747.9 kg ha-1) and haulm yield (80.8 kg ha-1). Among the different levels of macro with micronutrient combinations, the highest gross income (Rs.1,33,391) was recorded under the treatment 100 % NPK + Zn10 B1.0 (M3S8) than 37.5 kg ZnSO4 ha-1 +10 kg Borax ha-1(M3S6). Hence, in Zn and B deficient soil, combined application of 100% NPK along with 50 kg and10 kg of ZnSO4 and Borax ha-1respectively (M3S8) may be recommended for enhancing yield and gross income in maize-blackgram cropping system.
- Publication
Madras Agricultural Journal, 2015, Vol 102, Issue 1-3, p26
- ISSN
0024-9602
- Publication type
Academic Journal