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- The content of total N,NH + 4 N and NO - 3 N varied widely with different organs because of the effects of soil water,nutrient content, atmospheric temperature,vegetable feature and selective absorption to nitrogen,etc. 受土壤水分、养分、气温和植物本身特点及其对N素选择吸收作用等多种因素影响 ,小叶樟、毛果苔草和漂筏苔草 3种植物不同器官中‘三氮’含量变化较大 ,NO-3 N比NH+4 N含量稳定且NH+4 N/NO-3 N >1;
- Effect of treatment in EM on available nutrient content of soil 处理对土壤速效养分含量的影响
- Effects of Sod Culture on Nutrient Content of Soil and Apple Tree in Orchard 生草栽培对苹果园土壤及树体养分的影响
- A Study on the Interrelationship among Nutrient Content of the Steppe Soil and Meteorological Factors. 草原土壤养分含量与气象因子相互关系的研究。
- nutrient content of soil 土壤养分含量
- The correlation among soil microorganism quantity, enzyme activity and soil nutrient content is the significant, it can be used as evaluation index of soil fertility. 土壤微生物数量、酶活性与土壤养分间呈显著相关关系,可作为评价土壤肥力的指标。
- THE SEASONAL VARIATION IN NUTRIENT CONTENTS OF SOIL AND TREE LEAVES OF MANCHURIAN ASH-DAHURIAN LARCH MIXED PLANTATION 水曲柳落叶松混交林土壤和叶的养分季节动态
- In order to find out the variations of soil nutrient content infarmlan ds of Guizhou, a survey of soil and fertilizer was conducted again in 1998, base d on the survey results of 1985. 为了解近年来化肥施用量倍增后,贵州农田土壤养分含量的变化,在1985年土壤调查的基础上,1998年再次进行了土壤和肥料调查。
- Abstract: In order to find out the variations of soil nutrient content infarmlan ds of Guizhou, a survey of soil and fertilizer was conducted again in 1998, base d on the survey results of 1985. 文摘:为了解近年来化肥施用量倍增后,贵州农田土壤养分含量的变化,在1985年土壤调查的基础上,1998年再次进行了土壤和肥料调查。
- Through the synthesis analysis of the field,spike characters and leaves nutrient content of N,P and K in maize,the treatment of N2K2 was the best and its maize yield was at 11 183.3 kg/hm2 while soil P content was at 35.3 mg/kg. 综合玉米产量、穗部性状、叶片以及土壤氮磷钾养分含量分析;在土壤含磷量为35.;3 mg/kg时;以N2K2配施效果最好;玉米产量高达11 183
- The major characteristics of soils are texture, acidity, nutrient content, gaseous content, and moisture content. 土壤的主要特性有质地、酸度、养分含量、气体含量和含水量。
- Manure not only provide many nutrient element that boost growth of cropbut also raise content of soil organic material, mend farming construction of soil. 有机肥不仅提供了庄稼生长所需要的多种营养元素,而且增加了土壤中有机物的含量,改进了土壤的耕作结构。
- One of the most recognized disadvantages is the reduction in nutrient content of the product due to the thermal process. 最大的缺点之一就是热处理会使产品的营养成分减少。
- But the condition of acid hydrolysis was rigor, the nutrient content of product was destroyed mostly, and the sensory properties was bad. 但酸水解条件苛刻,水解产物营养破坏严重,感观性状不佳。
- A comparative study was conducted to analyze the changes of soil nutrient contents in Eucalyptus forestland and in shrubland after three years of prescribed burning. 摘要采用对比分析方法,研究了广东鹤山桉林和灌草坡火烧迹地植被恢复后土壤养分含量的变化。
- Vegetable oil adulteration not only affects the nutrient hygienic quality and nutrient content of edible oil,but also harms the health of consumers. 食用油掺假不但影响其卫生品质和营养成分,而且危害消费者的健康。
- There are some clods of soil on the mat. 垫子上有些土块。
- Wild pigeons licensing Gefen, Gefen of Hechuan wild plant has produced a very high nutrient content of the crude fiber-natural green food. 野鸽牌葛粉,系合川野生葛粉厂出品的一种有着极高营养成份的粗纤维纯天然绿色食品。
- This kind of soil contains much alkali. 这种土壤含碱丰富。
- It's rich there because of the fertility of soil. 因为土地肥沃,那儿很富裕。
