A study has been undertaken to determine the acidic, and metal complexing properties of humic acid extracted from tea garden soils of different depths. The dissociation constant of humic acid has been evaluated from the pH titration curves. The pKa values obtained in this study a...
Open access
Research Article10.9734/IJPSS/2015/16033
Ability of a fertilizer to contribute to crop performance beyond a cropping season is a positive consideration in soil fertility management. Thus, the residual fertilizer effects of OBD-plus (new commercial compost from market organic wastes and animal manure with composting acce...
Open access
Research Article10.9734/IJPSS/2015/15742
A field experiment was conducted during the 2008 and 2009 rainy seasons to determine the effects of land preparation and weeding regime on the type of weed population in sweet pepper (Capsicum annuum L.) farms. The experiments were laid out in a split plot design with land prepar...
Open access
Research Article10.9734/IJPSS/2015/14843
Md. Ashraful Alam, Zahidul Islam Sarker, Md. Farhad, Md. Abdul Hakim, Naresh Chandra Dev Barma, Md. Israil Hossain, Md. Mokhlesur Rahman & Rabiul Islam·International Journal of Plant & Soil Science·2015
Varietal adaptability to environmental fluctuations is important for the stabilization of crop production on both region and season. In this context, one thousand six trials with four wheat varieties viz., BARI Gom 25, BARI Gom 26, BARI Gom 27 and BARI Gom 28 were conducted in fo...
Open access
Research Article10.9734/IJPSS/2015/14824
Soil heavy metal contamination is becoming a matter of great global concern. The extent of Lead (Pb) concentration which causes toxicity in lower vascular plants, pteridophytes, remains unclear. So the present study was carried out to investigate the extent of Pb accumulation wit...
Open access
Research Article10.9734/IJPSS/2015/16174
An experiment was carried out to assess the growth and development of quality protein maize (QPM) genotypes to various plant populations under different irrigated conditions in a semi arid ecology of Northern Nigeria. Field trials were conducted at the Irrigation Research Station...
Open access
Research Article10.9734/IJPSS/2015/12631
The present study aims to evaluate the interaction between soil rhizobia and legume plant, by comparing two Acacia species (Acacia cyanophylla Lindl and Acacia pycnantha Benth) grown in four different Moroccan soils, by measuring plant dry matter yield, and nodule numbers and wei...
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Research Article10.9734/IJPSS/2015/15760
A field experiment was carried out during the period from November 2012 to May 2013 in Agroecological Zone 20 (Eastern Surma-Kushiyara Floodplain) in Bangladesh to observe the varietal performances of high yielding and local varieties of Boro rice. Four varieties viz. BRRI dhan28...
Open access
Research Article10.9734/IJPSS/2015/13371
Aims: To evaluate plant diversity and to show the structural variation of the vegetation in a cocoa agroforest of various ages. Study Design: Slash and burn agriculture is one of the processes of deforestation and degradation of forests. Cocoa agrosystems that consist to plant co...
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Research Article10.9734/IJPSS/2015/10347
Understanding the distribution and transport of organic carbon and nutrients under any management in a farming system is vital for predicting the sustainability of a farming system. This study was conducted to characterize the spatial distribution and transport of organic carbon...
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Research Article10.9734/IJPSS/2015/13949
Aims: The study evaluated the contributions of cover crops and no-till to the expression of crop maize yield. Study Design: To test this, experiments were conducted for two consecutive years in a randomised complete block design arranged in a split plot with four replications Pl...
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Research Article10.9734/IJPSS/2015/14376
Aims: The main aim of this study was to find out the salinity tolerant varieties of potato and to evaluate the growth and yield performance of potato varieties under different salinity level. Study Design: The experiment was laid out in the two factor completely randomized design...
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Research Article10.9734/IJPSS/2015/15879
Decline in soil fertility has been identified as a major factor hindering maize productivity globally; the majority of these soils are deficient in nitrogen, phosphorous and organic matters. Low maize productivity in Kenya is attributed to decline in soil fertility. Improving soi...
Open access
Research Article10.9734/IJPSS/2015/15009
Forest’s conversion associated with the expansion of industrial scale oil palm plantations in the two provinces of Indonesia (Riau and West Kalimantan) was documented using Landsat images that were visually interpreted to create a province-wide map of 11 different land cover type...
Open access
Research Article10.9734/IJPSS/2015/13263
This study investigates the projected changes in evapotranspiration in Egypt, with a focus on the Delta, Middle and Upper Egypt regions. Maximum and minimum air temperature were statistically downscaled and compared with current climate (defined as the period 1971–2000). FAO-56 P...
Open access
Research Article10.9734/IJPSS/2015/12721