a long-term rotation experiment was established in 2001 to compare conservation or reduced tillage systems (shallow rototiller and chisel tillage) with conventional tillage system using mouldboard plough in a semi-arid region with mediterranean climate. field experiments were conducted to determine weed density and profitability of cropping systems in a crop rotation of winter wheat (triticum a...

John R. Teasdale is a plant physiologist at the Sustainable Agricultural Systems Laboratory, USDA Agricultural Research Service, Beltsville, Maryland. N o-tillage cropping systems are known to provide many benefits to soils that can enhance production of grain crops. Many of the improvements to soils that result from no-tillage production such as increases in soil aggregation, water-holding cap...

since wheat-rice cropping system is down in about 50000 hectare of khoozestan province and also necessity of optimum land and water utilization, this study was condulted during one year (2008-2009) in shawoor agricultural research station to compare different conservation tillage system with traditional system for wheat cultivation in paddy residue. experiment conducted in randomized complete b...

Soil labile C and N fractions can change rapidly in response to management practices compared to non-labile fractions. High variability in soil properties in the field, however, results in nonresponse to management practices on these parameters. We evaluated the effects of residue placement (surface application [or simulated no-tillage] and incorporation into the soil [or simulated conventional...

ABSTRACT- Field experiments were conducted to determine the relationship between plant leaf area as the dependent variable with leaves number, leaf dry weight, and total vegetative components dry weight and plant height as the independent variables. Treatments were two tillage systems (conventional and no-tillage) as main plots, and seven sowing dates (11 May, 18 May, 25 May, 1...

Intensive tillage with no crop residue after rice harvest in conventional wheat cultivation increases the turn around time, delays sowing and affects yield. A field experiment was carried out to assess effect of dates, establishment methods mulching their interaction on growth, productivity profitability spring at agronomy farm AFU, Rampur Chitwan, Nepal from November 2020 April 2021. The laid ...

Water infiltration into the soil profile and runoff losses in arable lands are related to the condition of the top layer. The tillage treatment (included no-till) of the top layer plays a key role in changes of the hydro-physical properties, mainly saturated hydraulic conductivity (K) of the treated layer. This paper is focused on the influence of repeated tillage treatments in the same localit...

A field experiment was conducted to evaluate the yield and chemical composition of triticalegrain in different crop rotation and tillage systems. The first experimental factor was thecropping system – a) crop rotation and b) monoculture and the second factor was the tillagesystem – 1) conventional (CT), 2) reduced (RT) and 3) no-tillage (NT). The spring triticale yieldwas found to be 15.4% high...

Biological indicators based on abundances of soil organisms are powerful tools for inferring functional and diversity changes in soils affected by agricultural perturbations. Field plots, combining organic and conventional practices with no tillage, conservation tillage and standard tillage maintained different nematode assemblages and soil food webs. Soil food web indices based on nematode ass...