Geotextile-mats constructed from Borassus aethiopum (Borassus Palm) and Mauritia flexuosa (Buriti Palm) leaves have the potential to decrease soil erosion. In the U.K., field experiments are being conducted on the effectiveness of palm-mats to reduce soil erosion at Hilton, east Shropshire. Twelve plots (each plot measuring 1.0 x 1.0 m; 6 plots were completely covered with Borassus mats, and the other 6 plots were bare) were established to study the effects of geotextile-mats on splash erosion. Eight runoff plots (10 x 1 m on a 15o slope) were used, with duplicate treatments: (i) bare soil; (ii) grassed, (iii) bare soil with 1 m Borassus-mat buffer zones and (iv) completely covered with Borassus mats. Runoff volume and sediment yield were measured after each substantial storm from 25/03/02-10/05/04 (total precipitation = 1320 mm). Results indicate that palm-mats on bare soil significantly reduced total soil splash erosion by ~50% compared with bare soil (34.2 g m-2; during 10/06/02-09/02/04, total precipitation = 1038 mm). Total runoff from bare plots was 3.58 litres m-2 and total sediment yield was 8.58 g m-2. Borassus mats as buffer strips reduced runoff by ~36% and soil erosion by ~57%. Total soil loss from the completely covered plots was only ~16% less than the buffer zone plots.udTo confirm the results, another set of runoff experiments are in progress at Hilton, with one additional treatment (bare soil with 1 m Buriti-mat buffer zones) compared with the earlier experiment. Results (08/01/07-24/08/07; total precipitation = 702 mm) indicate that total runoff from bare plots was 21.2 litres m-2 and total sediment yield was 2302 g m-2. Borassus and Buriti mats as 1 m buffer strips reduced runoff by ~86 and 61%, respectively, and soil erosion by ~93 and 98%, respectively. Buffer strips of Borassus mats are as effective as complete cover of the same mats and are more effective in reducing runoff water than the buffer strips of Buriti mats. Combined results from both sets of runoff experiments (total precipitation = 2022 mm) suggest that application of Borassus mats as 1 m protective buffer strips on bare soil reduced runoff by ~77% and soil erosion by ~93%. Thus, Borassus-mat (buffer strips) cover on vulnerable segments of the soilscape is highly effective for soil and water conservation on temperate loamy sand soils.
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机译：由棉叶草（Borasus aethiopum）（Borassus Palm）和柔毛（Mauritia flexuosa）（Buriti Palm）的叶子制成的土工布具有减少土壤侵蚀的潜力。在英国，正在东什罗普郡的希尔顿进行手掌垫减少土壤侵蚀的有效性的野外实验。建立了十二个样地（每个样地尺寸为1.0 x 1.0 m；六个样地完全被Borassus垫覆盖，另外六个样地是裸露的），以研究土工织物垫对飞溅侵蚀的影响。使用八个径流图（在15o坡度上为10 x 1 m），并重复处理：（i）裸土； （ii）草地，（iii）具有1 m的Borassus-mat缓冲区的裸露土壤，以及（iv）完全覆盖有Borassus垫子。在每次暴风雨之后的25/03 / 02-10 / 05/04（总降水量= 1320 mm）之后，测量径流量和沉积物产量。结果表明，与裸土（34.2 g m-2；在10/06 / 02-09 / 02/04期间，总降水量= 1038 mm）相比，裸土上的棕垫可将总土壤飞溅侵蚀显着降低约50％。裸地的总径流为3.58升m-2，总沉积物产量为8.58 g m-2。用作缓冲带的硼砂席将径流减少了约36％，将土壤侵蚀减少了约57％。完全覆盖的样地的总土壤流失仅比缓冲区样地少约16％。 ud为证实结果，希尔顿正在进行另一组径流实验，并进行了另外的处理（裸土和1 m Buriti-mat土壤）缓冲区）与之前的实验进行比较。结果（08/01 / 07-24 / 08/07；总降水量= 702 mm）表明，裸地的总径流为21.2升m-2，总沉积物产量为2302 g m-2。作为1 m缓冲带的Borassus和Buriti垫分别使径流减少了约86％和61％，土壤侵蚀分别减少了约93％和98％。 Borassus垫子的缓冲带与相同垫子的完全覆盖一样有效，并且比Buriti垫子的缓冲带更有效地减少了径流水。两组径流实验的合并结果（总降水量= 2022 mm）表明，在裸露的土壤上应用Borassus垫作为1 m保护性缓冲带，径流减少了约77％，土壤侵蚀减少了约93％。因此，土壤景观脆弱部分的Borassus-mat（缓冲带）覆盖层对于温带质壤土砂土的水土保持非常有效。
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