CAJ | 학술논문

对福建省永安市不同年龄毛竹营养器官N、P、K、Ca、Mg元素分布进行了研究.结果表明,毛竹不同部位的营养元素含量不同,N、P、Ca、Mg元素平均含量顺序为叶>枝>秆>根;K元素含量的排列顺序为叶>根>枝>秆.叶、枝、秆中主要营养元素的排列顺序为N>K>Mg>Ca>P;根中主要营养元素的排列顺序为K>N>Mg>Ca> P.不同营养器官养分元素含量随年龄增长的变化趋势不同,N、P、Ca、Mg在竹秆与竹根中呈先上升后下降的趋势,竹枝中呈降-升-降的趋势,竹叶中呈"W"型变化,K元素除2年生竹秆中含量较高外,在竹秆、竹根、竹枝中呈下降的趋势.毛竹各器官中有14对元素的相关性达到显著或极显著水平,其中与N元素相关的有8对,与K元素相关的有8对,P元素相关的9对.土壤中有机质、N、P、K的含量对竹秆、竹枝、竹叶中N素含量有重要影响,毛竹营养器官中P、K元素浓度与土壤的主要化学指标之间的相关性未达到显著水平.在土壤养分充足的条件下,竹叶器官中的养分浓度主要由其本身的生理特性决定,与土壤养分浓度相关性不显著.竹叶N、P含量与磷酸酶活性显著相关,与过氧化氢酶极显著相关,土壤酶对土壤中所进行的生物及生物化学过程起着重要的作用,土壤中N、P、K等元素在转化为毛竹可吸收过程中有多种酶的参与.竹秆N与土壤毛管孔隙度和总孔隙度极显著相关,与其他的土壤物理指标相关性不明显.
대복건성영안시불동년령모죽영양기관N、P、K、Ca、Mg원소분포진행료연구.결과표명,모죽불동부위적영양원소함량불동,N、P、Ca、Mg원소평균함량순서위협>지>간>근;K원소함량적배렬순서위협>근>지>간.협、지、간중주요영양원소적배렬순서위N>K>Mg>Ca>P;근중주요영양원소적배렬순서위K>N>Mg>Ca> P.불동영양기관양분원소함량수년령증장적변화추세불동,N、P、Ca、Mg재죽간여죽근중정선상승후하강적추세,죽지중정강-승-강적추세,죽협중정"W"형변화,K원소제2년생죽간중함량교고외,재죽간、죽근、죽지중정하강적추세.모죽각기관중유14대원소적상관성체도현저혹겁현저수평,기중여N원소상관적유8대,여K원소상관적유8대,P원소상관적9대.토양중유궤질、N、P、K적함량대죽간、죽지、죽협중N소함량유중요영향,모죽영양기관중P、K원소농도여토양적주요화학지표지간적상관성미체도현저수평.재토양양분충족적조건하,죽협기관중적양분농도주요유기본신적생리특성결정,여토양양분농도상관성불현저.죽협N、P함량여린산매활성현저상관,여과양화경매겁현저상관,토양매대토양중소진행적생물급생물화학과정기착중요적작용,토양중N、P、K등원소재전화위모죽가흡수과정중유다충매적삼여.죽간N여토양모관공극도화총공극도겁현저상관,여기타적토양물리지표상관성불명현.
The concentrations of nitrogen,phosphorus,potassium in different organs of Phyllostachys edulis with various ages and the amount of soil Province.The results showed that the contents of two nutrition elements(nitrogen,phosphorus,calcium, magnesium)in different organs were in the order as:leaf>branch>stem>root;while for potassium:leaf>root >stem >branch.The abundance of different elements in leaf, in branch and in stem respectively ranged as:nitrogen>potassium >magnesium >calcium >phosphorus,while for root ranged as: potassium >nitrogen >magnesium>calcium>phosphorus.The nutrients element of bamboo organs varied with different ages. The nitrogen, phosphorus, calcium, and magnesium of bamboo culms and roots increased firstly, and then decreased with ages. The nitrogen, phosphorus, calcium, and magnesium of branches decreased-increased-decreased with ages. The nitrogen, phosphorus, calcium, and magnesium of leaves changed in the shape of "W". The potassium in bamboo organs decreased with ages besides the maximum contents in bamboo culms with two years. The nutrition elements in various organs of Phyllostachys edulis were interrelated one another at some extent, significant(P<0.05) or great significant correlation (P<0.01) existed between fourteen pairs nutrient elements contents.There were eight pairs with significant correlation between the nitrogen element and the other elements, eight pairs with significant correlation between the potassium element and the other elements, and nine pairs with significant correlation between the phosphorus element and the other elements. The organic matters, nitrogen, phosphorus, and potassium in soil had significant effects on the nitrogen contents of bamboo culms, branches, and leaves. There was no significant correlation between the phosphorus, potassium in bamboo and the mainly chemical indexes on soil. The nutrient concentrations of bamboo leaf were determined by physiological characteristics of themselves if the bamboo vegetated in a soil with abundance nutrients.There was significant correlation between the nitrogen, phosphorus elements in leaves of Phylbstachys edulis and the phosphates in the soil, and great significant correlation between the nitrogen, phosphorus elements in leaves of Phylbstachys edulis and the catalase in the soil. The biochemical process was affected by the soil enzyme, and the degradation process of nitrogen, potassium, and phosphorus needed the activity of soil enzyme. A great significant correlation existed between soil capillary and the nitrogen elements in stems, while significant correlation between other index of physics and other index of chemistry.