水肥耦合对香山不同品种欧李影响研究
发布时间：2019-05-16 20:50
【摘要】：本文针对宁夏中部旱区气候特点及硒砂瓜重茬种植导致老压砂地生产力较低的问题,在宁夏中卫市兴仁镇拓寨村引入抗旱经济作物欧李,采用对比试验和正交试验,进行了压砂地欧李品种筛选试验和压砂地水肥耦合对不同品种欧李在压砂地的生长变化规律试验。主要研究成果如下:1.通过压砂地欧李品种筛选对比试验,得出不同灌水量对十个品种欧李株高、茎粗、产量、品质的影响规律及欧李水分生产效率,并通过对比分析表明,农大S-D欧李各种指标优于其他品种,适宜在当地推广种植。2.采用三因素两水平正交试验,进行了老压砂地条件下欧李品种、灌水定额和施肥定额对欧李生长发育和产量的影响试验。经极差分析和方差分析,三因素对欧李株高增长作用顺序为:欧李品种施肥定额灌水定额,对欧李茎粗增长作用顺序为:欧李品种灌水定额施肥定额,欧李株高、茎粗指标的因素最优水平组合为A2B2C1,即选种农大5号,灌水定额5 m3/667m2,施肥定额10 kg/667m2。三因素对土壤中各养分含量影响作用顺序为.:欧李品种施肥定额灌水定额,最优组合为A2B2C1,即选种农大5号,灌水定额为5m3/667m2,施肥定额为10kg/667m2。三因素增产作用大小依次为:欧李品种灌水定额施肥定额,最优组合为A2B2C1,即选种农大5号,灌水定额为5m3/667m2,施肥定额为10kg/667m2。三因素对欧李品质影响作用顺序为:欧李品种灌水定额施肥定额,最优组合为A2B2C1,即选种农大5号,灌水定额为5 m3/667m2,施肥定额为10 kg/667m2。三因素对欧李叶片净光合速率影响作用顺序为:灌水定额欧李品种施肥定额,最优组合为A2B2C1,即选种农大5号,灌水定额为5 m3/667m2,施肥定额为10 kg/667m2。从高产、优质、节水等方面考虑,最优组合为A2B2C1,与参考组合(处理4)一致,即选种农大5号,灌水定额5m3/667m2,施肥定额10kg/667m2为压砂地欧李适宜的水肥组合。
[Abstract]:In order to solve the problem of low productivity of old sand pressing field caused by repeated planting of selenium sand melon in arid area of central Ningxia, the drought resistant cash crop ou Li was introduced into Tuozhai Village, Xingren Town, Zhongwei City, Ningxia, and comparative experiment and orthogonal experiment were used. The selection test of Euphorbia pulcherrima varieties in sand pressing field and the effect of water and fertilizer coupling on the growth and change of different varieties of Eupatorium adenophorum in sand pressing field were carried out. The main research results are as follows: 1. The effects of different irrigation amount on plant height, stem diameter, yield and quality of ten varieties and the water production efficiency of plum were obtained through the screening and comparative experiment of plum varieties in sand pressing field, and the results showed that the effect of different irrigation amount on plant height, stem diameter, yield and quality of ten varieties and the water production efficiency of Prunus mandshurica were obtained. All kinds of indexes of Nongda S / D plum are better than those of other varieties, and it is suitable for local promotion and planting. 2. The effects of irrigation quota and fertilizer quota on the growth and yield of Euphorbia pulcherrima under the condition of old sand pressing field were tested by orthogonal experiment with three factors and two levels. Through extreme difference analysis and variance analysis, the order of the effect of the three factors on the growth of plum plant height was as follows: the fertilizer quota irrigation quota of European plum varieties, and the order of effect on stem diameter growth of European plum varieties was: the irrigation quota fertilizer quota, the plant height of European plum varieties, The optimal level combination of stem diameter index was A2B2C1, that is, Nongda No. 5, irrigation quota 5m3 鈮，
本文编号：2478553
[Abstract]:In order to solve the problem of low productivity of old sand pressing field caused by repeated planting of selenium sand melon in arid area of central Ningxia, the drought resistant cash crop ou Li was introduced into Tuozhai Village, Xingren Town, Zhongwei City, Ningxia, and comparative experiment and orthogonal experiment were used. The selection test of Euphorbia pulcherrima varieties in sand pressing field and the effect of water and fertilizer coupling on the growth and change of different varieties of Eupatorium adenophorum in sand pressing field were carried out. The main research results are as follows: 1. The effects of different irrigation amount on plant height, stem diameter, yield and quality of ten varieties and the water production efficiency of plum were obtained through the screening and comparative experiment of plum varieties in sand pressing field, and the results showed that the effect of different irrigation amount on plant height, stem diameter, yield and quality of ten varieties and the water production efficiency of Prunus mandshurica were obtained. All kinds of indexes of Nongda S / D plum are better than those of other varieties, and it is suitable for local promotion and planting. 2. The effects of irrigation quota and fertilizer quota on the growth and yield of Euphorbia pulcherrima under the condition of old sand pressing field were tested by orthogonal experiment with three factors and two levels. Through extreme difference analysis and variance analysis, the order of the effect of the three factors on the growth of plum plant height was as follows: the fertilizer quota irrigation quota of European plum varieties, and the order of effect on stem diameter growth of European plum varieties was: the irrigation quota fertilizer quota, the plant height of European plum varieties, The optimal level combination of stem diameter index was A2B2C1, that is, Nongda No. 5, irrigation quota 5m3 鈮，
本文编号：2478553
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