Results 21 to 30 of about 968 (124)
Effect of fragmentation and pacing at spot ploughing on dry soils [PDF]
Seedbed preparation to achieve desired aggregate size requires many tillage operations when performed on dry soil. A very common implement used for the initial operation is the moldboard plough, subsequent passes may include disk, chisel ploughs ...
Mirzaev Bakhadir +7 more
doaj +1 more source
For conditions of the European part of north-eastern Russia the technologies of crop cultivation based on the use of a combined system of basic soil cultivation are most effective economically.
S. L. Dyomshin +2 more
doaj +1 more source
A goal in sustainable agriculture is to use fossil energy more efficiently in crop production. This 60-year-old experiment on a silt loam chernozem investigated effects of fertilization (unfertilized control, mineral fertilizer (NPK) and farmyard manure (
Gerhard Moitzi +3 more
doaj +1 more source
Impact of resource conservation technologies on soil health and productivity of wheat in rice-wheat cropping system [PDF]
A field experiment was conducted to investigate the impact of resource conservation technologies on soil health and productivity of wheat in rice-wheat cropping system in split plot design with three replications.
Kumar, Amarendra +5 more
core +2 more sources
Stress Analysis of Crossbar of Moldboard Plough Pulled by Massey Ferguson 285 and 299 Tractors [PDF]
Frequent failures of mechanical elements in machines and equipment due to exerted loads reveal the importance of researches and studies in this regard to optimize or redesign the parts. Practically, crossbar’s pins in moldboard plough are frequently failed. So, stress analysis of that was conducted in this study by finite element method.
openaire +1 more source
Energy use and efficiency in selected rice-based cropping systems of the Middle-Indo Gangetic Plains in India [PDF]
The use and cost of energy in agriculture have increased, making it necessary to make current agricultural practices more energy efficient. To do this, the prevailing systems must be thoroughly analysed.
Perret, Sylvain +2 more
core +1 more source
Whole body vibration in operators using agricultural soil preparation equipment [PDF]
: Agricultural tractors have been reported to exert negative effects on operator health. It is well known that when a farm machine is designed it must consider the human factors, to raise the safety levels and work quality.
Viviane Castro dos Santos +3 more
doaj +1 more source
Dois experimentos foram conduzidos no Campo Experimental Bom Intento em Boa Vista, RR, de dezembro a março de 1995/96 e 1996/97, com o objetivo de se avaliar os diferentes sistemas de preparo do solo e de irrigação sobre a densidade do solo, e a cultura ...
Roberto D. de Medeiros +2 more
doaj +1 more source
Ecosystem carbon sustainability under different C-equivalence inputs and outputs in dry land [PDF]
The efficient use of carbon is the principle goal of achieving the agricultural and environmental sustainability. Thus, study was aimed to compare the C-equivalence (Ceq) of inputs and outputs and the C index of sustainability (Is).
Hassan Asma +3 more
doaj +1 more source
Comparison of three primary tillage plows commonly used in Iraq [PDF]
Tillage operations are consider one of the largest agricultural operations on most Iraqi farms, and soil tillage requires greater power and energy than any other operation.
Ahmed Hamid
doaj +1 more source

