Habanero pepper production was assessed with drip irrigation and plastic mulch, based on two transplanting dates. The objectives of the study were: (i) to evaluate the effect of two transplanting dates and the use of plastic mulch on water productivity and habanero pepper fruit yield under drip irrigation conditions; and (ii) to determine the profitability and economic viability of the product in the regional market. The work was conducted in the municipality of Huimanguillo, state of Tabasco, Mexico, in loam soils classified as Eutric Fluvisol. The Jaguar variety of habanero pepper, developed by INIFAP and possessing better genetic and productive characteristics, was used. Two transplanting dates were studied, (i) 30 January 2013 and (ii) 15 February 2013, with and without plastic mulch. The conclusions were: (i) application of irrigation depths based on crop evapotranspiration (ETc) and plastic mulch transplanted on 30 January increased the fruit yield of the crop and improved the benefit–cost ratio of the production system; and (ii) water use efficiency based on the 30 January transplanting date was 8.68 kg m−3 of water applied with plastic mulch, 6.51 kg m−3 without plastic mulch, and 3.65 kg m−3 for the 15 February transplanting date with plastic mulch.
This experimental study investigates the anaerobic digestion of waste water from hydrothermal carbonisation of fine mulch (wood chips) in combination with a co-substrate for the first time. Two anaerobic reactors, an anaerobic filter (AF) and an anaerobic moving bed bioreactor (AnMBBR), were operated over a period of 131 days at mesophilic conditions. The organic loading rate was increased to a maximum of 8.5 g L−l d−1 in the AF and the AnMBBR. Both reactors achieved similarly efficient chemical oxygen demand...
Hydroseeding is a method that can be used for planting grass for purposes of erosion control, or to grow new lawns entirely; it has been around since the 1950s. It is also an efficient, inexpensive alternative to laying sod in an area where grass or a lawn is desired. Hydroseeding can also be referred to as hydraulic mulch seeding, hydromulching, or hydroseeding.
How does it work?
The machine that actually does all the work for you is called a hydroseeder. Machines come in two main types: jet agitated and...
Waste stabilization ponds (WSPs), as part of municipal wastewater treatment strategies, can exhibit variability in performance due to climatic conditions. Under elevated temperature and strong solar radiation, algal blooms and subsequent high pH effluents have often been observed. In this study, four substrates (gravel, peat, organic mulch, and topsoil) were evaluated for their ability to attenuate high pH effluents from a WSP. Synthetic wastewater with pH > 9.5, and low organic and nutrient loadings, was used...
Coal Gob Fire Quenching – Wellston, Ohio
Removal of a dead lake from a former coal mine in Southern Ohio. While working on removal of a dead lake we uncovered a burning gob fire. We moved 45,000 cubic yards of cut to fill and cut to waste, installed 36" reinforced concrete pipe to relieve the dam, and dewatered over 100 million gallons. We moved over 16,000 cubic yards of earth to expose the gob fire, we extinguished,quenched, and then capped the site. To complete the project we seeded and mulched, returning...
Golf course associations and golf clubs around the world are looking at ways to improve the sport’s environmental criteria. Sustainable developments and low carbon footprint operations are the name of the game. As golf courses use fertiliser for the courses, power for the maintenance machinery, and power for the golf carts, there are many areas where sustainability of the sport can be addressed. In addition, most golf courses have clubhouses associated with them. These clubhouses, in turn, serve food...
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