Search results: 6,992 results (approx.)

1. Ploughing without steering.

Tips are provided for the correct adjustment of ploughs.

Foreign Title :Ploegen zonder te sturen.

Author(s) : Smits, M. C.

Journal article : Landbouwmechanisatie 1998 Vol.49 No.10 pp.20-21

2. The stress/strain state of a slit disc spring.

A study was made of the stress-strain state of slit disc-springs, as used in the diaphragm units of clutches. The study was made on standard springs from the clutch of a Russian VAZ-2101 lorry. Ways are identified of optimizing the design of the springs and reducing deformation.

Author(s) : Zemlyanskiĭ, Yu. M.; Morozov, V. I.

Publisher : Mashinostroenie, Moscow, Russia

Journal article : Traktory i Sel'skokhozyaĭstvennye Mashiny 2001 No.No.11 pp.13-15 ref.6

3. Protection of fruits against mechanical damage: the role of packaging.

Causes of injury to fruits during transport were investigated by using sensory equipment to study the vibrations and movements to which they were subjected in lorries on motorways and other roads in Belgium. A vibrating table was used to simulate the conditions during transport. Twelve currently...

Foreign Title :Protection des fruits contre les degats mecaniques: role de l'emballage.

Author(s) : Bobelyn, E.; Schenk, A.

Publisher : Ligues Pomologiques Wallonnes, Wepion, Belgium

Journal article : Fruit Belge 2001 Vol.69 No.493 pp.168-170

4. Terminology and definitions for agricultural tillage implements.

Publisher : American Society of Agricultural Engineers (ASAE), St Joseph, USA

Miscellaneous : ASAE standards 1999. Standards, engineering practices, data. 1999 No.Ed.46 pp.260-271

5. Spectrum analysis of the forces in cutting soil.

A mathematical analysis is made of the forces involved during the cutting of soil by a wedge-shaped implement. The method of spectrum analysis (using Fourier spectra for WINDOWS 3.0) is explained.

Author(s) : Kazakov, V. S.

Journal article : Tekhnika v Sel'skom Khozyaĭstve 1999 No.No. 3 pp.31-33

6. Investigation of the dynamic characteristics of coulters.

A mathematical analysis is made of the interaction of the working surface of a coulter with the soil, and the forces involved in the work of the coulter. It is concluded that the power indices and technical parameters of the coulter can be determined from its geometry, and thus the distribution of...

Author(s) : Petrovets, V. R.; Laburdov, O. P.

Journal article : Traktory i Sel'skokhozyaĭstvennye Mashiny 1999 No.No. 8 pp.24-25

7. A comparison of the oblique rotary blade and the national blade.

Under oblique rotary tillage conditions, the features of the oblique rotary blade and the national rotary blade were investigated both theoretically and experimentally. It is concluded that the oblique rotary blade is better than the national blade.

Author(s) : Kong LingDe; Sang ZhengZhong

Journal article : Journal of Nanjing Agricultural University 1999 Vol.22 No.4 pp.101-104 ref.3

8. Planning and reporting tillage experiments.

Publisher : American Society of Agricultural Engineers (ASAE), St Joseph, USA

Miscellaneous : ASAE standards 1999. Standards, engineering practices, data. 1999 No.Ed.46 pp.95-97 ref.2

9. Terminology and definitions for soil tillage and soil-tool relationships.

Publisher : American Society of Agricultural Engineers (ASAE), St Joseph, USA

Miscellaneous : ASAE standards 1999. Standards, engineering practices, data. 1999 No.Ed.46 pp.115-118

10. Good practice management when using high-capacity harvesting technology. Assessing technical measurement of soil reaction to high wheel loads.

This paper discusses the balances between the soil, vegetation, climate and agriculture and agricultural machinery, with particular reference to soil compaction. The necessity of using farm machinery optimally for cost reasons and competitiveness is weighed against the damaging effects and the need ...

Foreign Title :Gute fachliche Praxis beim Einsatz leistungsfähiger Erntetechnik. Messtechnische Beurteilung der Bodenreaktion auf hohe Radlasten.

Author(s) : Weissbach, M.; Isensee, E.

Journal article : Landtechnik 2000 Vol.55 No.1 pp.12-13 ref.5

11. Ploughing with electronic engine controller and continuously variable transmission - increasing field capacity by changing torque increase.

The maximum field capacity is usually aimed for when ploughing. To achieve this, tractor-plough combinations should match optimally, and the tractor engine should be run for maximum power. When using a continuously variable transmission, the torque increase applied over a wide speed range can be...

Foreign Title :Pflügen mit elektronischem Motorregler und stufenlosem Getriebe. Steigerung der Flächenleistung durch Veränderung des Drehmomentanstiegs.

Author(s) : Seeger, J.

Journal article : Landtechnik 2000 Vol.55 No.1 pp.40-41 ref.2

12. Prediction of the lifting forces for cassava harvesting.

An analytical model, based on knowledge in soil dynamics, is presented for predicting the lifting force requirement of a flat plate submerged in the soil. The input to the model includes soil mechanical properties, namely cohesion, angle of shearing resistance and unit weight, and also the size of...

Author(s) : Agbetoye, L. A. S.; Dyson, J.; Kilgour, J.

Journal article : Journal of Agricultural Engineering Research 2000 Vol.75 No.1 pp.39-48 ref.17

13. An explosive subsoiler for the improvement of meadow soil, part 1: thermodynamics.

The objective of this work was to develop a special subsoiler which would break down the impermeable horizons of meadow soil using gas pressure explosions produced by injecting a fuel and air mixture. A major part of the soil volume would fail to withstand the gas pressure, and longer...

Author(s) : Zhang, H.; Araya, K.; Kudoh, M.; Zhang, C.; Jia, H.; Liu, F.; Sawai, T.; Yang, S.

Journal article : Journal of Agricultural Engineering Research 2000 Vol.75 No.1 pp.97-105 ref.21

14. Soil preparation.

Soil preparation for optimum productivity is discussed. Emphasis is on the description and use of various cultivation equipment, with a section on direct sowing, its requirements and advantages.

Foreign Title :Preparo do solo.

Author(s) : Grandi, L. A.

Journal article : Informe Agropecuário (Belo Horizonte) 1998 Vol.19 No.191 pp.5-6

15. Kverneland rotating harrow, avant-guarde models.

Details are given of a new generation of rotating harrows released onto the market by Kverneland. The models are NG12, NG14, NG18 and GN25. The availability of a wide range of accessories allows adequate performance of the harrows to most situations. Accompanied by a seed drill, the Kverneland...

Foreign Title :Erpici rotanti Kverneland, modelli all'avanguardia.

Author(s) : Maresca, A.

Journal article : Macchine e Motori Agricoli 1998 Vol.56 No.2 pp.74-77

16. Tillage - soil, plant and implement considerations.

This paper provides an overview of soil, plant and implement considerations for optimising tillage operations. Topics covered include tilth criteria for minimising risk of poor crop establishment, basic principles of soil mechanics pertinent to the use of tillage tools, and factors to consider to...

Author(s) : Earl, R.

Journal article : Landwards 1998 Vol.53 No.3 pp.17-23 ref.17

17. Modelling of tillage machines.

The application of the systems approach to the modelling of tillage machines is explained. (A later paper will give a practical example of the application of modelling to a chisel-type cultivator).

Author(s) : Zavrazhnov, A. A.

Journal article : Traktory i Sel'skokhozyaĭstvennye Mashiny 1998 No.No. 12 pp.6-9

18. Terminology and definitions for agricultural tillage implements.

Publisher : American Society of Agricultural Engineers (ASAE), St Joseph, USA

Journal article : ASAE standards 1998: standards engineering practices data 1998 No.No. 45 pp.261-272

19. Effective systems of soil management.

The role of the plough now and in the future in terms of seedbed preparation and stubble ploughing is considered together with the flexibility offered by a combination of machinery. New developments in machinery are described and illustrated. The origins, development, procedures involved and status ...

Foreign Title :Systèmes performants ménageant le sol.

Author(s) : Zweifel, U.

Journal article : Technique Agricole 1998 Vol.60 No.6 pp.8-11 ref.6

21. Chisel plow, field and row crop cultivator shanks and ground tool mountings.

Publisher : American Society of Agricultural Engineers (ASAE), St Joseph, USA

Journal article : ASAE standards 1998: standards engineering practices data 1998 No.No. 45 pp.92-94 ref.1

22. Determining cutting width and designated mass of disk harrows.

Publisher : American Society of Agricultural Engineers (ASAE), St Joseph, USA

Journal article : ASAE standards 1998: standards engineering practices data 1998 No.No. 45 pp.113

23. Power requirement of individual components of single unit till-planting systems.

A till-planting unit consists of several soil engaging components. Little research has studied the effect of operating conditions and soil properties on power requirement of individual components. Three prototypes of single unit till-planting systems suitable for Egyptian conditions were designed,...

Author(s) : Afify, M. T.; Kushwaha, R. L.; Milne, W. G.; El-Haddad, Z. A.; El-Ansary, M. Y.

Publisher : American Society of Agricultural Engineers (ASAE), St Joseph, USA

Conference paper : ASAE/CSAE-SCGR Annual International Meeting, Toronto, Ontario, Canada, 18-21 July, 1999. 1999 pp.16 pp. ref.16

24. Soil disturbance and increase in species diversity during rehabilitation of degraded arid rangelands.

Data obtained from managers and farmers on the different mechanical treatments (using rippers, chisel ploughs, disc harrow, dyker ploughs) to combat further degradation in the arid and semiarid areas of South Africa, are presented and discussed. On sandy soils, subsoiling gave the highest species...

Author(s) : Merwe, J. P. A. van der; Kellner, K.

Journal article : Journal of Arid Environments 1999 Vol.41 No.3 pp.323-333 ref.22

25. A technique for assessing the soil mixing performance of bent leg tools.

A technique was developed to study the extent of soil mixing induced by a tillage tool. Potassium chloride (KCl) was used as the tracer and its concentration in the manipulated soil was determined by measuring the electrical conductivity. Computer routines systematically analysed the tracer...

Author(s) : Durairaj, C. D.; Kumar, V. J. F.; Balasubramanian, M.

Journal article : Journal of the Indian Society of Soil Science 1999 Vol.47 No.2 pp.195-199 ref.5