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半干旱地区垄沟集雨种植对老芒麦(Elymus sibiricus L.)生长和产量的影响
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摘要
干旱半干旱地区气候干旱,降水稀少,生态环境比较脆弱,水资源短缺是制约该地区经济发展和生态环境改善的主要因素。垄沟集雨种植是干旱半干旱地区挖掘水资源潜力、促进生态环境改善和发展集雨型的农牧业生产方式具有重要意义。本文为解决半干旱地区地下水匮缺、降水稀少,季节性分布不均对牧草生长的限制,采用垄沟集雨种植模式,垄作为径流区,沟作为种植带,使有限降雨在沟内(种植带)产生富集累加,改善种植带内土壤水分状况,提高牧草总体产量(文中的MR60指垄宽:沟宽为60cm:30cm; MR30垄宽:沟宽为30cm:30cm; CK即平作)。通过水分频域反射仪(PR2)观测降雨后种植带内水分运移情况,并结合老芒麦生长季内生长发育指标,研究结果如下:
     1.垄沟集雨种植改善了种植带内0-50cm土壤水分状况,在秋季至次年非生长季提高种植带内土壤蓄水保墒能力;生长季内,种植带随着土壤深度的增加(0-50cm),土壤含水量呈现出先增加、后降低的趋势,同一土壤深度,MR60处理内含水量最高;MR30次之,CK最低。对于MR60和MR30,降雨在种植带内富集后水分发生垂向下渗和垄下侧渗,湿润锋面变宽变深。
     2.垄沟集雨种植对老芒麦(Elymus sibirlcus L.)的营养生长产生积极影响。垄沟集雨种植显著提高老芒麦株高,促进老芒麦分蘖,增加了老芒麦密度。在一定程度上增加了叶片数目,叶长、叶宽均增加。08年密度变化不明显,09年进入抽穗期以前,MR60和MR30密度稳定在3500株/m2左右,CK密度稳定在2300株/m2左右,相对提高52%
     3.垄沟集雨种植提高单位面积草产量(按照全面积计算),09年第一茬MR60、MR30和CK干草产量分别是4.11t/hm2、3.86t/hm2和1.37t/hm2; MR60和CK相比,产量提高约3倍;MR30和CK相比,提高约2.8倍;09年再生草MR60. MR30和CK干草产量分别是1.13t/hm2、1.01t/hm2和0.25t/hm2; MR60和CK相比,产量提高约4倍以上;MR30和CK相比,提高约3.9倍。
     4.垄沟集雨种植对老芒麦的生殖生长产生重要影响。第一,垄沟集雨种植提高生殖枝密度(按照全面积计算),MR30、MR60和CK生殖枝的平均密度分别为576株/m2、411株/m2和284株/m2;第二,垄沟集雨种植提高了老芒麦每生殖枝上的小穗数,MR60、MR30和CK每生殖枝上的平均小穗数目分别是58、54和46个。第三,垄沟集雨种植提高花序中、下部小穗上的种子数,对花序上部的小穗上的种子数影响不大。在花序下部(1-10节),MR60、MR30和CK处理内大部分小穗依次有3粒、2粒、1粒种子;在花序中部(10-20节),MR60、MR30和CK处理大部分小穗内有3粒、3粒、2粒种子。在花序上部(>20节),各处理内每小穗上基本上都是1粒种子或没有。第四,垄沟集雨种植提高老芒麦种子千粒重,MR60、MR30和CK的千粒重分别为3.51g、3.09g和2.99g。第五,垄沟集雨种植提高老芒麦种子产量,MR60、MR30和CK的种子产量分别达到1.11 t/hm2,0.82 t/hm2和0.44 t/hm2; MR60和MR30与CK相比,种子产量分别提高2.5倍和1.8倍。
In arid and semi arid region, the climate was drought, the precipitation was scarce and the ecological environment was weak. Water shortage is the main factor restricting the region's economic development and ecological improvement. Ridge-furrow collecting rainwater planting is important for exploring the potential of rainwater resourse, promoting ecological environment improvement and developing agriculture and animal husbandry based on rainwater-collected in arid and semi-arid region. In order to resolve the restriction of deficient ground water, rare precipitation, and uneven distribution among growing season on forage growth and development, ridge-furrow collecting water planting system, composed of mulched ridge served as runoff collected zone and furrow served as planting zone, was utilized in semi-arid region. It gathered limited rainwater within the planting zone, improved the soil moisture and enhanced the total forage yield (MR60 refers to the width of ridge and furrow is 60cm and 30cm; MR30 refers to the width of ridge and furrow is 30cm and 30cm; CK refers to flat planting). Through examine the soil water transportation and indexes of Elymus (Elymus sibirlcus L.) growth and development, the following are the preliminary results
     1. Ridge-furrow collecting water planting system improved the soil moisture between soil layer of 0-50 cm. In non-growing season from autumn to next spring, it enhanced the soil water storage and retention in planting zone. In growing season, soil moisture content formerly increased and later decreased with the soil layer deepened, with the same soil layer, the soil moisture content in MR60 was higher than that in MR30, and the MR30 was higher than that in CK. The rainfall gathered in the planting zone vertically infiltrated and lateral seeped to the ridge, wetting front growed deeper and broadened.
     2. Ridge-furrow collecting water planting system played vital part in vegetative growth of Elymus. The system significantly enhanced lent height, promoted tillering, increased density of Elymus, the number of leave, the length and width of Elymus increased to some degree. The density between treatments in 2008 didn't vary significantly, the density of MR60 and MR30 were about 3500 tiller/m2, while that of CK was 2300 tiller/m2, the density between MR60 and MR30 were improved relatively by 52%.
     3. Ridge-furrow collecting water planting system improved forage yield per unit area. The yield of MR60, MR30 and CK of first cutting in 2009 were separately 4.11t/hm2,3.86t/hm2 and 1.37t/hm2. The yield of MR60 was enhanced by 3 times with CK, and that of MR30 was enhanced by 2.8 times with CK. The yield of MR60, MR30 and CK of second cutting were 1.13t/hm2,1.01t/hm2and 0.25t/hm2. The yield of MR60 was improved by 4 times with CK, and that of MR30 was improved by 3.9 times with CK.
     4. Ridge-furrow collecting water planting system played important role in reproductive growth of Elymus. Firstly, the system, enhanced fertile tillers density, the average fertile tillers density of MR30, MR60 and CK were 576 tiller/m2、411 tiller/m2 and 284 tiller/m2. Secondly, the system increased spikelets per fertile, the average spikelets per fertile of MR60, MR30 and CK were 58,54 and 46. Thirdly, the system enhanced the lower and middle seeds number of spikelet, and it didn't matter for the upper seed number. In the lower part of inflorescence (1-10item), the seed number of spikelet of MR60, MR30 and CK were 3,2 and 1; In the middle of inflorescence (10-20 item), the seed number of spikelet of MR60, MR30 and CK were 3,3 and 2; In the upper part of inflorescence (>20 item), the seed number between treatments was either 1 or 0. Fourthly, the system improved thousand seed weight of Elymus, the thousand seed weight of MR60, MR30 and CK were respectively 3.51,3.09 and 2.99g. Lastly, the system enhanced seed yield of Elymus, the seed yield of MR60, MR30 and CK were separately 1.11 t/hm2,0.82 t/hm2 and 0.44 t/hm2, the seed yield of MR60 and MR30 was 2.5 and 1.8 times higher than that of CK.
引文
1 阿拉木萨,蒋德明,李雪华等.科尔沁沙地典型人工植被区土壤水分动态研究[J].干旱区研究,2007,24(5):604-609.
    2 陈宝书.牧草饲料作物栽培学[M].北京:中国农业出版社,2001
    3 陈功,贺兰芳.高寒地区两种老芒麦生态适应性和生产性能评价[J].草业科学,2004,21(9):39-42.
    4 陈默君,贾慎修.中国饲用植物[M].北京:中国农业出版社,2002
    5 党坤良.秦岭火地塘林区不同林地土壤水分动态特征的研究[J].西北林学院学报,1995,10(1):1-8.
    6 党占平,刘文国,周济铭等.谓北旱地冬小麦不同覆盖模式增温效应研究[J].西北农业学报,2007,1 6(2):24-27.
    7 丁瑞霞,贾志宽,韩清芳等.宁南旱区沟垄微型集水种植谷子最优沟垄宽度的确定[J].干旱地区农业研究,2007,25(2):12-16.
    8 段喜明,冯浩,吴普特.中国节水农业发展战略研究与实践--中国节水农业科技发展论坛文集[M].北京:中国农业科学技术出版社,2002
    9 樊廷录.旱地农田微集水种植的水分生产潜力增进机理研究[J].水土保持研究,2003,10(1):98-100.
    10冯起,高前兆,苏培玺.半湿润地区植被影响下的沙地水分布动态[J].干旱区研究,1994,11(4):58-63.
    11 傅卫平,郑和祥,柴建华等.锡林郭勒草原水-草-畜生态系统可持续发展模式研究[J].内蒙古水利,2006,(3):43-44.
    12郭连云,公保才让,张旭萍.不同密度、不同刈割高度下老芒麦种群生物量的变化[J].牧草科学,2007,136:16-20.
    13 郭文韬.再论中国古代的垄作耕法[J].中国农史,1992,(2):77-88.
    14郭孝,陈二秋.中原地区多年生禾草物候期特点与分蘖动态的研究[J].草业科学,2002,19(6):35-38.
    15郭孝,陈理盾,陈小改.多年生禾草物候特征与分蘖动态的研究[J].家畜生态,2002,23(4):]7-19.
    16韩建国.牧草种子学[M].北京:中国农业大学出版社,2002
    17韩清芳,李向拓,王俊鹏等.微集水种植技术的农田水分调控效果模拟研究[J].农业工程学报,2004,20(2):78-82.
    18韩思明,史俊通,杨春峰.黄土台塬阶地区冬闲地聚水保墒耕作技术的研究[J].干旱地区农业研究,1993,11卷增刊:52-57.
    19贺晓,李青丰.老芒麦花序分化过程的观察[J].内蒙古农业大学学报,2004,(4):26-29.
    20贺晓,李青丰,陆海平.老芒麦、诺丹冰草结实特性的研究[J].草业科学,2004,21(7):37-39.
    21 黄乾,赵蛟,谭媛媛等.北方农业雨水利用实践与发展前景展望[J].节水灌溉,2006,4
    22黄占斌.第八届雨水收集利用国际学术会议概要[J].水土保持通报,1997,17(4):43-45.
    23姬万忠.高寒地区燕麦与箭筈豌豆混播增产效应的研究[J].中国草地学报,2008,30(5):106-109.
    24贾慎修.中国饲用植物志[M].北京:中国农业出版社,1987
    25贾宇,徐炳成,王晓凌等.半干旱黄土丘陵区垄沟集雨对紫花苜蓿人工草地土壤水分和产草量的影响[J].植物生态学报,2007,31(3):470-475.
    26蒋俊明,费世民,王鹏等.干热河谷阴坡和阳坡土壤水分动态研究[J].四川林业科技,2005,26(5):30-35.
    27蒋文兰,李琪,于应文.白三叶种子大面积生产试验初报[J].草业科学,1995,12(4):47-49.
    28蒋文兰,潘元吉.磷肥和行距对两种草坪草种子产量和品质的影响[J].草业科学,1995,12(3):30-32.
    29寇志强.内蒙古中西部黄土区旱作农田土壤水分动态研究[J].作物栽培,2005:46-48.
    30李锋瑞.干旱农业生态系统研究[M].西安:陕西科学技术出版社,1998
    31 李凤民,王静,赵松龄.半干旱黄土高原集水高效旱地农业的发展[J].生态学报,1999,19(2):259-264.
    32李军,王立祥,杜世平.宁南半干旱偏旱区旱作糜子田水分动态与平衡研究[J].中国农业气象,2002,23(2):22-26.
    33 李军,王龙昌,孙小文等.宁南半干旱偏旱区旱作农田沟垄径流集水蓄墒效果与增产效应研究[J].干旱地区农业研究,1997,15(1):16-20.
    34李培英,阿不来提,石定燧.灌水次数对新疆狗牙根种子生产性能的影响[J].草原与草坪,2002,(3):38-39.
    35李绍良,陈有君.锡林河流域栗钙土及其物理性状与水分动态的研究[J].中国草地学报,1999,(3):71-76.
    36李晓雁,龚家栋,高前兆.人工集水面临界产流降雨量确定试验研究[J].水科学进展,2001,12(4):516-522.
    37 李晓雁,张瑞玲.旱作农区沟垄微型集雨结合覆盖玉米种植试验研究[J].水土保持通报,2005,19(2):45-52.
    38李新平,李素俭.黄土高原干旱地区土壤水分动态和水分利用效率研究[J].土壤侵蚀与水土保持学报,1997,3(1):75-79.
    39李永平,贾志宽,刘世新.宁南山区旱地苜蓿垄沟集水种植生物群体生长特征及其水分利用效率[J].水土保持研究,2006,13(5):199-204.
    40李勇,王超,朱亮.雨水积蓄利用的环境效应及研究展望[J].水土保持研究,2002,9(4):78
    41 李玉霖,张铜会,崔建垣.科尔沁沙地农田玉米耗水规律研究[J].中国沙漠,2002,22(4):354-358.
    42 李政海,仲延凯.人工草地土壤水分动态规律的研究[J].内蒙古大学学报(自然科学版),1996,27(2):237-241.
    43李子忠,黄顶,王忠彦.灌溉制度对老芒麦(Elymus sibiricus)生长的影响[J].中国农业科学,2005,38(8):1621-1628.
    44刘昌明,牟海省.我国水资源可持续开发中的雨水利用.中国雨水利用研究文集[C].中国矿业大学出版社,1998
    45刘目兴,王静爱,刘连友.沙区旱作农田作物垄沟种植下土壤水分动态观测--太仆寺旗油菜种植试验结果[J].干旱区资源与环境,2005,19(3):120-125.
    46刘目兴,王静爱,严平等.沙区旱垄作对油菜生长环境的影响[J].土壤学报,2005,42
    47(6):985-992.
    48刘士余,左长清,朱金兆.地被物对土壤水分动态和水量平衡的影响研究[J].自然资源学报, 2007,22(3):424-433.
    49刘文国,张建昌,曹卫贤等.旱地小麦不同栽培条件对土壤水分利用效率的影响[J].西北农业学报,2006,15(5):47-51.
    50刘文清,陈凤林.老芒麦需水特性及灌溉效果的研究[J].草地学报,2004,12(1):57-65.
    51 刘小勇,吴普特.雨水资源集蓄利用研究综述.http://www.irrigate.com.cn.
    52刘巽浩.对我国西北半干旱地区农业若干规律性问题的探讨[J].干旱地区农业研究,2000,18(1):2-8.
    53 吕殿青,邵明安,王全九.垄沟耕作条件下的土壤水分分布试验研究[J].土壤学报,2003,40(1):147-150.
    54马金宝,毕建杰,张兴强等.宽垄沟灌覆膜条件下土壤水分侧向入渗特性[J].灌溉排水学报,2006,25(6):27-29.
    55 马金宝,毕建杰,张兴强等.宽垄沟灌覆膜条件下土壤水分运移初探[J].节水灌溉,2007,(2):10-13.
    56买买提.阿不来提,萨拉姆,肉孜.阿基.老芒麦牧草生长的气候条件分析[J].新疆农业科学,2008,45(SI):222-224.
    57毛培胜,韩建国,王培.施肥对无芒雀麦和老芒麦种子产量的影响[J].草地学报,2000,8(4):273-278.
    58毛培胜,韩建国,吴喜才.收获时间对老芒麦种子产量的影响[J].草地学报,2003,11(1):33-37.
    59梅旭荣,严昌荣,牛西午.北方旱作区节水高效型农牧业综合发展研究[M].北京:中国农业科学技术出版社,2005
    60苗果园,张云亭,尹钧.黄土高原旱地冬小麦根系生长规律的研究[J].作物学报,1989,15(2):104-115.
    61 强秦,曹卫贤,刘文国等.早地小麦不同栽培模式对土壤水分和水分生产效率的影响[J].西北植物学报,2004,24(6):1066-1071.
    62任中兴,刘克长,张继祥.不同沟麦种植方式热量平衡及气象效应[J].山东农业大学学报,1999,30(3):236-240.
    63 阮伏水,周伏建.花岗岩不同土地利用类型坡地产流和入渗特征[J].土壤侵蚀与水土保持学报,1996,2(3):1-7.
    64孙强,韩建国,刘帅等.草地早熟禾草坪土壤水分动态与根系生长分布[J].生态学报,2005,25(6):1306-1311.
    65王海亮.太仆寺旗志[M].海拉尔:内蒙古文化出版社.2000
    66王静,丁其涛,伍光和.黄土高原半干旱区集水农业的自然基础及最适宜集水类型的划分[J].中国沙漠,1999,19(4):384-389.
    67王军,傅伯杰,蒋小平.土壤水分异质性的研究综述[J].应用生态学报,2004,15(5):35-39
    68王俊鹏,韩清芳,王龙昌等.宁南半干旱区农田微集水种植技术效果研究[J].西北农业大学学报,2000,28(4):16-20.
    69王琦,张恩和,李凤民.半干旱地区膜垄和土垄的集雨效率和不同集水时期土壤水分比较[J].生态学报,2004,24(8):1820-1823.
    70王琦,张恩和,李凤民等.半干旱黄土高原沟垄微型集雨产流特征与马铃薯种植技术[J].生态学杂志,2005,24(11):1283-1286.
    71 王琦,张恩和,李凤民等.半干旱地区垄沟微型集雨种植马铃薯最优沟垄比例的确定[J].农业工程学报,2005,21(1):38-41.
    72王同朝,王燕,卫丽等.作物垄作栽培法研究进展[J].河南农业大学学报,2005,39(4):377-382.
    73 王晓凌,陈明灿,李凤民等.垄沟覆膜集雨系统膜垄保墒增温对马铃薯产量的影响[J].干旱地区农业研究,2007,25(3):11-16.
    74王晓凌,董普辉,李凤民等.垄沟覆膜集雨对马铃薯产量及水分和氮肥利用的影响[J].河南农业科学,2007,(10):83-87.
    75 王新平,康尔泗,张景光.草原化荒漠带人工固沙植丛区土壤水分动态[J].水科学进展,2004,15(2):216-222.
    76韦慧兰,百建明,杨小通.黄土高原半干旱区集水农业效益分析[J].干旱区资源与环境,1998,12(3):41-47.
    77吴巍,陈雨海,李全起等.垄沟耕作条件下滴灌冬小麦田间土壤水分的动态变化[J].土壤学报,2004,43(6):1011-1017.
    78 肖国举,王静.黄土高原集水农业研究进展[J].生态学报,2003,23(5):1003-1010.
    79杨开宝,刘国彬,李景林等.陕北丘陵区农田蒸散规律及对土壤水环境的影响与防治对策[J].西北农林科技大学学报(自然科学版),2005,33(4):91-96.
    80游明鸿,张昌兵,刘金平.行距和肥力对川草2号老芒麦生产性能的作用[J].草业科学,2008,25(2):69-71.
    81 余新晓,赵玉涛,张志强.长江上游亚高山暗针叶林土壤水分入渗特征研究[J].应用生态学报,2003,14(1):15-19:
    82 张德奇,廖允成,贾志宽等.宁南早区谷子地膜覆盖的土壤水温效应[J].中国农业科学,2005,38(10):2069-2075.
    83 张慧莉,汪有科,徐福利等.保墒灌溉技术研究战略.中国节水农业发展战略研究与实践--中国节水农业科技发展论坛文集[C].北京:中国农业科学技术出版社,2000
    84张建平.元谋干热河谷区蒸发量减少原因的关联分析[J].云南地理环境研究,1994,6(2):52-58
    85张建新,郑大玮.国内外集雨农业研究进展与展望[J].干旱地区农业研究2005,23(2):223-229.
    86张锦华,李青丰,李显利.旱作老芒麦种子产量构成因子的研究[J].中国草地学报,2000,(6):34-37.
    87张锦华,李青丰,李显利.氮、磷肥对旱作老芒麦种子生产性能作用的研究[J].中国草地学报,2001,(2):38-41.
    88张雷.旱地双垄面集水全膜不同时期覆盖对玉米生长的影响[J].作物杂志,2007,(3):67-68.
    89张维云,周青平,徐成体.共和地区施肥对多叶老芒麦生产性能的影响[J].青海草业,2005,(2):2-6.
    90张云杰,王秉山.山地草原早作老芒麦研究[J].草业科学,1994,11(2):55-58.
    91 张众,吴渠来.农牧老芒麦的选育推广及栽培利用[J].中国草地学报,1995,(4):29-32.
    92赵松龄.集水农业引论[M].西安:陕西科学技术出版社,1996
    93中国科学院自然区划工作委员会中国综合自然区划(初稿).中国综合自然区划(初稿)[C].中国科学院自然区划工作委员会.北京:北京科学出版社,1959
    94仲延凯,包青海,孙维.人工羊草草地产量动态的研究[J].内蒙古大学学报(自然科学版), 1990,21(3):401-408.
    95朱国庆,史学贵,李巧珍.定西半干旱地区春小麦农田微集水种植技术研究[J].中国农业气象,2001,22(3):6-9.
    96 Ben-Asher, Boers TM.A review of rainwater harvesting[J]. Agricultural Water Management, 1982, (5):145-158.
    97 C. Reiz, Maulder P, Begemann L. Water Harvesting for Plant Production[M]. World Bank. Washington:1988
    98 C.Y. Zhao, Z.D. Feng, G.D. Chen. Soil water balance simulation of alfalfa(medicago sativa L.)in the semi-arid Chinese loess plateau[J]. Agriculture water manage,2004,69:101-114.
    99 D. Hampton J. Temperate herbage seed production:a overview [J]. Journal of Applied Seed Production,1991,9:2-13.
    100 DH. Fink, Frasier G W. Evaluating weathering characteristics of water-harvesting catchments from rainfall-runoff analysis[J]. Soil Sci Soe Am J,1977,41:618-622.
    101 EvenariM, Shanan L, N. Tadmor. Ancient agriculture in the Negev[J]. Science,1961, 133:979-996.
    102 Fmsier. G W. Water harvesting:a sources of livestock water[J]. Range Manager,1975,28: 429-434.
    103 H. Fink D, Frasier G W., Myers L E.Water harvesting treatment evaluation at granite reef[J]. Water Resources bull,1979,15:861-873.
    104 Jia Yu, Feng-Min Li, Xiao-Ling Wang. Soil quality responses to alfalfa watered with a field micro-catchment technique in the Loess Plateau of China[J]. Field Crops Research,2006,95 (3):64-74.
    105 Jia Yu, Feng-Min Li, Xiao-Ling Wang et al. Soil water and alfalfa yields as affected by alternating ridges and furrows in rainfall harvest in a semi-arid environment[J]. Field crops research,2006,97:167-175.
    106 Li F.R., C. Y. Gao, H. L. Zhao et al.Soil conversation effectiveness and energy efficiency of alternative rotations and continuous wheat cropping in the loess plateau of northwest china[J]. Agriculture Ecosys. Environment,2002,(91):101-111.
    107 Li Xianglin, Su Derong, Yuan Qinghua. Ridge-furrow planting of alfalfa(Medicago sativa L.) for improved rainwater harvest in rained semiarid areas in Northwest China[J]. Soil & Tillage Research 2007,93:117-125.
    108 Li Xiao-Yan, Gong Jia-Dong, Gao Qian-zhao et al.Incorporation of ridge and furrow method of rainfall harvesting with mulching for crop production under semiarid conditions[J]. Agric Water Manage,2001,50(3):173-183.
    109 Li Xiao-Yan, Gong Jia-Dong. Effects of different ridge:furrow rations and supplemental irrigation on crop production in ridge and furrow rainfall harvesting system with mulches[J]. agricultural water management,2002,54(8):243-254.
    110 Myers. L E. Recent advances in water harvesting[J]. Journal of Soil Water Conservation,1967, 22:95-97.
    111 Ren Xiaolong, Jia Zhikuan, Chen Xiaoli et al. Effects of a rainwater-harvesting furrow/ridge system on spring corn productivity under simulated rainfalls[J]. Acta Ecologica Sinica,2008, 28(3):1006-1015.
    112 Tian Yuan, Su Derong, Li Fengmin et al. Effect of rainwater harvesting with ridge and furrow on yield of potato in semiarid areas[J]. Field Crops Research,2003,(84):385-391.
    113 V. Wesemael B. Collection and storage of ruuoff from hillslopes in a semi-arid environment: geomorphic and hydrologic aspects of the aljibe system in Almeria Province, Spain[J]. Journal of Arid Environments,1998,40:1-14.
    114 Wang Qi, Zhang Enhe, Li Fengmin et al. Runoff Efficiency and the Technique of Micro-water Harvesting with Ridges and Furrows for Potato Production in Semi-arid Areas [J]. Water resource manage,2007,28:321-328
    115 Wiyo. K.A., Z.M. Kasomekera, J. Feyen. Variability in ridge and furrow size and shape and maize population density on small subsistence farms in Malawi[J]. Soil and Tillage Research 1999,(51):113-119.
    116 Ren Xiaolong., Jia Zhikuan, Chen Xiaoli et al. Effects of a rainwater-harvesting furrow/ridge system on spring corn productivity under simulated rainfalls[J]. Acta Ecologica Sinica,2008, 28(3):1006-1015.

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