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Mark G. Hutton and David T. Handley

profitable crop in northern New England and other regions characterized by short growing seasons and variable temperatures. Early and total yields of bell peppers can be increased through the use of plastic mulches, rowcovers, and low plastic tunnels

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Bert M. Cregg and Robert Schutzki

Landscape mulches are an important component to improving the sustainability of landscape systems. Mulches, particularly organic mulches, can enhance sustainability by reducing chemical inputs and the use of fossil fuels to maintain healthy and

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Jay M. Ham, G.J. Kluitenberg, and W.J. Lamont

Abbreviations: BLCK, black embossed; CLER, clear embossed; DOY, day of year: IRT, infrared transducer; REFL, reflective mulch; SILV, silver reflective; SUNF, selective mulch; WHIT, white on black. 1 Dept. of Horticulture, Forestry, and Recreation

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H.F. Abouziena, O.M. Hafez, I.M. El-Metwally, S.D. Sharma, and M. Singh

safety, and herbicide-resistant weed populations. Economically and environmentally sustainable weed control alternatives, such as nonsynthetic or natural mulch, can provide many benefits, including weed suppression and delayed weed seedling emergence

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James M. Spiers

In a field study, `Gulfcoast' southern highbush blueberry plants were subjected to irrigation [7.5 L (low) or 30 L per week (high)], mulching (none or 15 cm depth), row height (level or raised 15 cm), and soil-incorporated peatmoss (none or 15 L in each planting hole) treatments, in a factorial arrangement, at establishment. Plants were grown on a well-drained fine sandy loam soil that contained <1.0% organic matter. Plant volume and fruit yield were greater with mulching, high irrigation, incorporated peatmoss, and level beds. Plants grown with the combination of mulching, level beds, incorporated peatmoss, and high irrigation levels yielded 2.4 kg per plant or approximately eight times as much as plants grown without mulch, with raised beds, without peatmoss, and with the low rate of irrigation. Of the four establishment practices evaluated, mulching had the greatest influence on plant growth and fruiting.

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John Masiunas, Elizabeth Wahle, Laurel Barmore, and Albert Morgan

The foam mulch was developed through and this research partially supported by a USDA CSREES Small Business Innovation Research Grant 98-03209, Foam in Place Mulching Method for Specialty Crops, awarded to Albert Morgan. The support of the

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Dario Stefanelli, Roberto J. Zoppolo, Ronald L. Perry, and Franco Weibel

Tree growth and nutrition were unaffected by orchard floor management system (OFMS) treatments except for foliar nitrogen concentration, which was higher with alfalfa mulch. Trees grafted on Supporter 4 were the most vigorous. There was a

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Makhan S. Bhullar, Simerjeet Kaur, Tarundeep Kaur, and Amit J. Jhala

( Khurana et al., 1993 ). Properly timed straw mulch can suppress early germinating annual broadleaf and grass weeds and will be sustainable for a long period of time. Mulch, whether living or dead, inhibits the light necessary for weed shoot emergence and

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Christian A. Wyenandt, Joseph R. Heckman, and Nancy L. Maxwell

, 2000a , 2000b ). Another advantage of leaf mulch is that it may serve as an effective barrier to prevent or reduce annual weeds. Leaf mulch residue that persists season-long for crops such as pumpkin may also provide a natural, physical barrier by

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Mathieu Ngouajio, Rafael Auras, R. Thomas Fernandez, Maria Rubino, James W. Counts Jr, and Thitisilp Kijchavengkul

beds covered with plastic mulch and drip irrigated has become a standard for most growers worldwide. In 1999, for example, over 30 million acres of agricultural land (over 185,000 acres in the United States) were covered with plastic mulch and the