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The journal AGRICULTURA (A) publishes scientific works from the following fields: animal science, plant production, farm mechanisation, land management, agricultural economics, ecology, biotechnology, microbiology
ISSN 1581-5439
Vikrant Malik, Rakesh Mohan* and Munesh Kumar†
pp. 39-42

The field experiment was carried out in Mizoram University experimental farm by growing Sorghum bicolor varieties (CSV-15, RKV-400 and SPV-669) as sole crop (control) and Sorghum bicolor varieties with Melia azedarach (intercropped). The results observed that the height of all sorghum varieties reduced significantly when intercropped with Melia azedarach. Similarly, these varieties were also showed reduced length of bunch over control (p<0.05). The highest number of seeds per plant in intercropped was produced by the variety of CSV-15 (715.77・}2.39) and the lowest by SPV-669 (345.55・}2.42). The yield of all varieties was also significantly (p<0.05) decreased when intercropped with Melia azedarach compared to control. In intercropped the highest yield was of variety CSV-15 (22.85 kg per plot) followed by RKV-400 (18.45 kg per plot) and SPV-669 (18.02 kg per plot). However, similar reducing trend of Sorghum bicolor was also reported in control. Thus, it could be concluded that the growth performance of Sorghum bicolor varieties was good under control conditions. However, intercropping may provide some insurance against crop failure in high erosive areas. Therefore, intercropping could be helpful to minimize the effect of erosion, enhance sustainable productivity of sorghum by provide soil security as soil binder and tree can be used for some other alternative purposes.

Key words: Sorghum bicolor, Melia azedarach, intercropping, verities, yield


Vpliv melije (Melia azedarach L.) na pridelek sort sirka (Sorghum bicolor (L.) Moench) v gorovju Mizora

Poljski poskus je bil izveden na eksperimentalni farmi univerze Mizoram. Vključeval posevke različnih sort Sorghum bicolor sort (CSV-15, RKV-400 in SPV-669) brez melije - Melia azedarach (kontrole) - in Sorghum bicolor s posajenimi melijami kot medkulturo. Rezultati so pokazali, da se je višina rastlin pri vseh sortah sirka znatno zmanjšala, ko je bila prisotna Melia azedarach. Podobno je se je zmanjšala tudi dolžina metlic pri sirku (p <0,05). Največje število semen na rastlino na parcelah z melijo je bilo dokumentirano pri sorti CSV-15 (715,77 ·} 2,39), najmanjše pa pri SPV-669 (345,55 ·} 2.42). Pridelek vseh sort je bilo signifikantno reduciran (p <0,05), ko je bila prisotna Melia azedarach. V posevkih sirka z melijoje bil najvišji pridelek zabeležen pri sorti CSV-15 (22,85 kg po parceli), sledijo pa ji RKV-400 (18,45 kg po parceli) in SPV-669 (18,02 kg po parceli). Podoben trend je bil tudi pri kontrolah. Raziskava kaže, da sorte sirka lahko izkoristijo svoj genetski potencial le v kontroliranih razmerah - brez melije. Melija ima lahko tudi pozitiven učinek, saj lahko zmanjša erozijo na nekaterih površinah in tako prispeva k stabilnosti pridelka.

Ključne besede: Sorghum bicolor, Melia azedarach, intercropping, verities, produktivnost


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