نتایج جستجو برای: stubble surface

تعداد نتایج: 635822  

Journal: :Energies 2021

Gasoline produced in Mexico by the productive company of state Petróleos Mexicanos (PEMEX) mainly uses oil-derived ethers as oxygenators to reach Mexican Regulatory ‘Framework’s octane number. An alternative complying with these regulations could be use bioethanol an oxygenate. However, a gasoline component, this affect ‘Mexico’s food markets since sugar cane, and grains are primary inputs for ...

Journal: :Agronomy 2021

Integration of cover crops into arable rotations over winter results in difficulty determining the nitrogen (N) requirement for following commercial crop. The region Northern Ireland (NI) has had no previous field research on and how they may affect N supply to Stubble turnips (Brassica rapa oleifera L.) were sown as a crop, after harvest barley (Hordeum vulgare retained winter. Prior planting ...

Journal: :Agronomy Journal 2021

In smallholder crop–livestock systems where maize (Zea mays L.) is a staple cereal, the stover usually an important but low-quality ruminant feed. Maize has various competing uses, and optimal allocation of stover, particularly for forage mulch, essential improving whole-farm productivity sustainability. Knowledge that feed quality increases with height in provides opportunities. An experiment ...

Journal: :Agriculture 2021

The article presents research results of a machine-tractor unit that performs two technological operations simultaneously: (i) chopping plant residues (sunflower stubble); (ii) covering the chopped stubble with soil. first operation is carried out front-mounted chopper, and second one rear-mounted plough. chopper’s working devices are rotated by tractor’s front power take-off (PTO), which has o...

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