Leaves prove best bulking agent for grass clippings

Article Abstract:

A study was designed to measure the performance of straw, wood chips and leaves as bulking agent for grass. Decomposition was observed among the three bulking agents. Comparison of internal temperature to moisture content, turning, odor, outside temperature, daily precipitation and completed compost showed that leaf bulking works best when composting grass clippings. Grass clippings can be composted with leaves without added moisture even in drought-like weather. Furthermore, leaves can be mixed the most consistently, decomposed the quickest and produce a richer end product.

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Cornell University

Article Abstract:

Researchers at Cornell University have unveiled new projects for compost utilization and management. In one study, the physics and biochemistry of composting are analyzed to develop an efficient model for composting systems. In another study, the environmental aspects of composting is scrutinized and pollution control proposals are given. In a third study, flesh-food waste management techniques are developed for use in fish stores and supermarkets.

Environmental aspects, Pollution, Control, Cornell University, Agricultural wastes

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Accelerating decomposition: effects of oxygen concentration on composting organics

Article Abstract:

Garbage and grass clippings were used in a study to determine the effects of oxygen concentration on composting organics. The raw materials were subjected to aerobic and anaerobic conditions and studied for time courses of carbon dioxide evolution rate, conversion of carbon, pH, temperature, moisture content and microbial number. Results show that aerobic conditions accelerated decomposition of organic matter.

Evaluation, Physiological aspects, Oxygen, Organic wastes

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