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Articles by Shafi Iqbal
Total Records ( 2 ) for Shafi Iqbal
  M. Nasimul Gani , A.K.M. Maqsudul Alam , M.R. Islam , M.M. Rahman , M. Nuruzzaman and Shafi Iqbal
  A field study was carried out with three fibre crop varieties to estimate the bulk organic materials produced by each variety and soil nutrient status due to their incorporation into soil. Considerable amount of plant biomaterials were produced by all varieties viz., CVL-1(6.4t ha-1), O-9897(7.56t ha-1) and HC-95(9.02t ha-1). Plant biomaterials of each variety enriched the soil nutrient status over the initial value. Highest nutrient status (OC-1.7%, OM-2.95%, N-0.58%, P-23ppm, K-0.79meq/100) was found for variety HC-95. The highest percent increments of these nutrients over the initial nutrient of soil(INS) and not allowed to decompose the plant biomaterial in soil (NBM) [OC over INS (211%), NBM (159%); N over INS (190%), NBM (81%); K over INS (93%), NBM (72%)] were found with variety HC-95. The highest P(28%) was obtained with O-9897 where percent increment of P over INS and NBM was 115%. In production of biomaterials and enrichment of soil, Kenaf performed better than Jute varieties. The cultivation of jute and Kenaf may be an exceptional source of organic materials which may save the depleted soil of Bangladesh without using external organic matter.
  M. Nasimul Gani , A.K.M. Maqsudul Alam , M. Rahman , Shafi Iqbal , M.A. Samad , M. Asaduzzaman , Isidore Gomes and Rebeca Gomes
  The study was conducted to estimate the chemical and physico-mechanical characteristics (quality of fibre) of jute fibre, the popular variety of O-9897 was grown with the application of water hyacinth, chemical fertilizer in soil and control under proper agricultural management. The water hyacinth responded comparatively better in enhancing the fibre quality than chemical fertilizer. Lower chemical constitutes the non-cellulosic portion (lignin and hemicellulose) in fibre indicates good quality, which found with water hyacinth. The percentage of lignin and hemicellulose in fibre with water hyacinth 12 and 20% with chemical fertilizer 13 and 21% and with control 13.6 and 21.20% respectively. The enriched physico-mechanical properties obtained with water hyacinth over the chemical fertilizer and control. The lower values of fineness (35φ) and higher values of whiteness (22.3%), bundle strength (7.61 lbs/mg), tensile strength (80.30 lbs/mg) and breaking tenacity (39.50 lbs/mg) ascertain the high quality of fibre found with water hyacinth. And the values found in fibre with chemical fertilizer, fineness-36.50φ, whiteness 21%, bundle strength-6.99 lbs/mg, tensile strength-78.98 lbs/mg and breaking tenacity- 39 lbs/mg. Thereby the study showed that chemical and physico-mechanical properties of fibre increased with water hyacinth. Study also indicates that the sole chemical fertilizer application in soil may not be possible to maintain the quality of fibre, it may be need an integration of organic matter and chemical fertilizer application in soil to enrich the fibre quality.
 
 
 
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