نتایج جستجو برای: mechanized farms

تعداد نتایج: 25081  

Journal: :Journal of Mathematical Economics 2016

Journal: :Scientia agropecuaria 2011

2017
Cristiano Zerbato Carlos Eduardo Angeli Furlani Antonio Tassio Santana Ormond Lucas Augusto da Silva Gírio Franciele Morlin Carneiro Rouverson Pereira da Silva

The successful establishment of agricultural crops depends on sowing quality, machinery performance, soil type and conditions, among other factors. This study evaluates the operational quality of mechanized peanut sowing in three soil types (sand, silt, and clay) with variable moisture contents. The experiment was conducted in three locations in the state of São Paulo, Brazil. The track-samplin...

1997
Myla Archer Constance L. Heitmeyer

A major barrier to more common use of mechanical theorem provers in verifying software designs is the signi cant distance between proof styles natural to humans and proof styles supported by mechanical provers. To make mechanical provers useful to software designers with some mathematical sophistication but without expertise in mechanical provers, the distance between hand proofs and their mech...

2016
Xianqing Ji Scott Rozelle Jikun Huang Linxiu Zhang Tonglong Zhang

China’s agricultural sector faces challenges because most farms are still small scale. China’s policy is to encourage the consolidation of farms and promote farms that are larger in scale. A question that arises is: Are China ’s farms growing? The goal of the present paper is to determine whether large farms in China have emerged or if farms remain small. To meet this goal, we systematically do...

Journal: :Acta Veterinaria Scandinavica 2006
KB Gudmundsdóttir S Sigurdarson J Kristinsson T Eiríksson T Jóhannesson

This study was undertaken in order to examine whether any connection existed between the amounts of iron in forage and the sporadic occurrence of scrapie observed in certain parts of Iceland. As iron and manganese are considered antagonistic in plants, calculation of the Fe/Mn ratios was also included by using results from Mn determination earlier performed in the same samples. Forage samples (...

Journal: :بوم شناسی کشاورزی 0
امیر بهزاد بذرگر افشین سلطانی علیرضا کوچکی ابراهیم زینلی علیرضا قائمی

environmental optimizing of pest management strategies and improving theirs trends towards minimum environmental risks programs is a matter of considerable concern of food scientists particularly in developing countries. this study evaluates the environmental impacts of pesticides consumption based on environmental impact quotient (eiq) model in different sugar beet (beta vulgaris l.) productio...

Journal: :journal of herbal drugs (an international journal on medicinal herbs) 2015
adel ranji hamid agha gholzadeh mohadese pourali eshkelak mohammad mehdi amiri khorie

borage herbs, wild herbs and is one year with significant economic value are highly regarded local market due to the high economic value of borage any study to improve the quality of harvest and increase product seems necessary, two rahim abad (gilan) district in the province eshkourat the highest level of production as the location of choice, and studies of the factors in determining the best ...

2015
Herbert Borchert Christian Huber Axel Göttlein Johann Kremer

In mechanized timber harvesting, it is common practice to build brush mats from logging residues on skid trails. Protective effects of brush mats against soil compaction are documented by several studies. On the other hand, a large quantity of nutrients is concentrated on the skid trail. Fully mechanized harvesting has been criticized frequently for this reallocation of nutrients. Is there real...

Journal: :Work 2012
Simone Emmanuelle Alves Costa João Alberto Camarotto

Due to the increase of production costs in manual harvesting, strategies must be developed in order to overcome these effects, such as the attempts in implementing agricultural machines in harvest activities, whether being totally or partially mechanized. This study brings a qualitative and quantitative comparison on the impacts in work conditions and productivity in Brazilian orchards caused b...

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