Results 11 to 20 of about 4,807,848 (253)

Connection of the Radish Seed's Physical Characteristics with the Bottom Holes Design of the Seeder Device [PDF]

open access: yesJournal of Soil Sciences and Agricultural Engineering, 2023
Various physical properties of radish seeds were determined as indicators during the hole design of the seeder bottom. The principal dimensions (thickness, width, and length), geometric mean diameter, arithmetic mean diameter, seeds surface area, bulk ...
Z. E. Ismail   +2 more
doaj   +1 more source

Identification of some Physical and Mechanical Properties of Maize Grains [PDF]

open access: yesJournal of Soil Sciences and Agricultural Engineering, 2021
The importance of maize for human, livestock and poultry regarding to use as feed or as dry feed industry. Identified physical and mechanical properties of maize grains are important to design the planter/seeder (hopper, metric device, tube), grading ...
O. Omar, A. El Shal, Reem Mohammed
doaj   +1 more source

Generalized Abstracted Mean Values [PDF]

open access: yes, 1998
In this article, the author introduces the generalized abstracted mean values which extend the concepts of most means with two variables, and researches their basic properties and ...
Qi, Feng
core   +6 more sources

Soil aggregation indexes and chemical and physical attributes of aggregates in a Typic Hapludult fertilized with swine manure and mineral fertilizer [PDF]

open access: yesInternational Journal of Recycling of Organic Waste in Agriculture, 2021
Purpose The objective was to evaluate the effects of mineral fertilizers and swine manure fertilization on soil aggregation indexes and on chemical and physical attributes of aggregates in Typic Hapludult managed under minimum tillage system.
Guilherme Wilbert Ferreira   +7 more
doaj   +1 more source

Effects of Shelterbelt Transformation on Soil Aggregates Characterization and Erodibility in China Black Soil Farmland

open access: yesAgriculture, 2022
Farmland shelterbelts are widely used to reduce wind erosion, maintaining the ecological and food security of the black soil plain region of northeast China. In recent years, the protective effect of shelterbelts has been reduced due to tree degeneration.
Tongwei Kong   +7 more
doaj   +1 more source

Effects of biological practices on soil stability in a desertified area of Iran [PDF]

open access: yesEnvironmental Resources Research, 2013
The rehabilitation of sandy desertified land in various dryland ecosystems by different management practices has a great potential to increase aggregate stability and improve soil quality.
Hamid Asgari
doaj   +1 more source

An improved theoretical formulation for Sauter mean diameter of pressure-swirl atomizers using geometrical parameters of atomization

open access: yesPropulsion and Power Research, 2022
This study discusses the development of a mathematical model that is capable of predicting the drop size mean diameter of the spray generated by a pressure swirl atomizer, considering the effects of the liquid's viscosity and the geometrical parameters of this type of injector, as well as the angle of incidence of the inlet channels (ψ and β) and ...
Ronceros Rivas, Julio R.   +3 more
openaire   +3 more sources

Geometric continuous patch complexes [PDF]

open access: yes, 1987
A theory of geometric continuity of arbitrary order is presented. Conditions of geometric continuity at a vertex where a number of patches meet are investigated.
Hahn, JM
core   +6 more sources

Studies on the Moisture Dependent Physical Properties of Cowpea

open access: yesJournal of Engineering, 2023
Cowpea is a very important legume in Nigeria that is being utilized to Substitute high-cost animal protein for low-income people. The knowledge of some physical properties of various moisture contents is of utmost importance in the design of its ...
Abubakar A. J.   +3 more
doaj   +1 more source

Particles Size as Feed Quality Parameter in Ghana - A Case Study of Dormaa Municipality [PDF]

open access: yesPoultry Science Journal, 2018
There is a general agreement between researchers that particle size of poultry feed should be between the size ranges of 600-900 µm. This study investigated the particle size of poultry feed produced in the Dormaa Municipality of Ghana.
AGYEI TA, Addo A
doaj   +1 more source

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