Sentences with phrase «plant residue»

Plant residue after the primary product has been extracted.

Much of the proposed biomass use comes from plant residues from agriculture and food processing, sawdust and residues from forestry and wood processing, manure, and municipal waste.

changes in litter cover on the ground caused by changes in plant residue decomposition rates driven by temperature, in moisture - dependent soil microbial activity, and in plant biomass production rates;

Microbes improve soil quality by cycling nutrients and breaking plant residues down into soil organic matter.

They deduce this from microscopic plant residues on stone tools 28 000 years old, which they found in the Solomon Islands.

Loy too has high hopes that he will be able to use rock fragments carrying plant residues.

Biogas production has long been a valuable technology, as the constant feed of organic raw materials such as energy crops, manure, sewage sludge, catch crops and plant residues helps produce energy around the clock.

Charcoal is a byproduct from a type of bioenergy production which can also be used to make second - generation agrofuels from wood, straw, and other plant fibers; and even burning toxic plastics and coal plant residues.

Bio-logical N fixation is not in itself a source of N2O (Rochette and Janzen, 2005), but soil incorporation of N - rich plant residues from legume crops can lead to high emissions of N2O (Moller and Stinner, 2009).

These carbon - 13 depleted samples are to be found in waxy plant residues preserved for 200 million years.

A living soil is central to soil fertility because it is the activity of soil organisms that makes available the elements in plant residues and organic debris entering the soil.

Electricity and heat can also be obtained from plant residues and animal wastes, either by burning them directly or by first producing biogas then burning it.

Fertilization in organic agriculture is based on organic substances such as farmyard manure, compost, green manure, plant residues and commercial organic N - fertilizers.

The sweet corn yields were also significantly higher in the plots where the plant residue was left on the surface (no - till).

The fibrous coconut husk is pre washed, machine dried, sieved and made free from sand and other contaminations such as animal and plant residue.

The work, OPEN TOMB II, an installation of 3473 glass bottles, water and plant residues, at the Cuban Pavillion in the Palazzo Loredan in Campo S. Stefano, is presented in conjunction with Galleria Continua.

That amount, however, is roughly equivalent to the total amount of biomass people harvest today — all the crops, plant residues, and trees harvested by people for food, timber, and other uses, plus all the grass consumed by livestock around the world.

Yet doing so would require an amount of plants equal to all the world's current crop harvests, plant residues, timber, and grass consumed by livestock — a true non-starter.

Here's the basic version: About 3 billion people around the world — mostly in Africa and Asia, and mostly very poor — still cook and heat their homes by burning coal, charcoal, dung, wood, or plant residue in their homes.