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Articles by Justus M. Onguso
Total Records ( 2 ) for Justus M. Onguso
  A.B.M. Sharif Hossain , A. Wahab and Justus M. Onguso
  Field studies were carried out to evaluate the effect of sowing time and spacing on the growth and fruit yield of okra in 1999 and 2000 in the farmer = s field, Lakshmipur, Bangladesh. The highest plant height was recorded 87.5 cm when okra was sown on 5 March, 2000 at the spacing of 45 x 45 cm and the lowest height was 73.3 cm when okra was sown on 20 May, 1999 at the spacing of 35 x 40 cm. The maximum number of leaves per plant was observed when it was sown on 5 March 2000 and the minimum was when sown on 20 May, 1999. Moreover, the fruit yield, number of fruit picking per plant, fruit length and weight per fruit were higher when okra was sown on 5 March, 5 April and 5 May, 2000 spaced at 45 x 45 cm than when okra was sown on 20 March, 20 April and 20 May, 1999 spaced at 35 x 40 cm. The highest number of percent mosaic infected plant was counted when okra was sown on 20 May, 1999 at the spacing of 35 x 40 cm and the lowest was when okra was sown on 5 March, 2000 at the spacing of 45 x 45 cm. In addition to that the highest number of vector of okra mosaic disease was counted when okra was sown on 20 May, 1999 at the spacing of 35 x 40 cm and the lowest was when okra was sown on 5 March, 2000 at the spacing of 45 x 45 cm. Percent mosaic infected plants was highest in 1999 and the lowest was in 2000 when it was sown on 20 May and 5 March due to the presence of the number of vectors of okra mosaic disease.
  A.B. M. Sharif Hossain , M.A. Hakim and Justus M. Onguso
  A field experiment was carried out to study the effect of manure and fertilizers on the growth and yield of potato in the village Narayanpur under Small Scale Water Resource Sector Development Project (SSWRDSP), Local Govt. Engineering Department, Khulna, Bangladesh. Potato was grown with different combination of manures and fertilizers or without combination. The highest plant height was 71.2 cm and lowest was 46.2 cm at 100 Days After Emergence (DAE) when potato was grown with cowdung + Mustard Oil Cake (MOC) +N+P2O5+K2O and without manure and fertilizers respectively. However, maximum number of shoot per plant, no. of tuber per hill, yield of tuber per hill, tuber size in diameter were 5.0, 9.0, 365 gm and 14.5 cm respectively when potato was grown with cowdung +MOC+N +P2O5 + K2O as compared to that of other combinations. In addition, the highest yield was 24.3 t ha 1 and percent infected plant by late blight disease was highest (20) when potato was grown with cowdung+MOC+N+P2O5+K2O and without manures and fertilizers respectively. Whereas, lowest tuber yield was 12.6 t ha 1 and lowest percent infected plant was 7 in case of without manure and fertilizers and with cowdung +MOC+N +P2O5+K2O, respectively.
 
 
 
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