• The 202 soil samples were analyzed and diagnosed by using the systematic research method of soil nutrient condition .

    应用土壤养分状况系统研究法”对吉林省202个土壤样品化验分析生物诊断

    dict.cnki.net

  • The effects of soil nutrient factors on potato yield and commodity rate were studied in different ecological conditions.

    研究不同生态条件下,土壤养分因子马铃薯产量商品作用效果

    www.dictall.com

  • It is necessary to study the rapid soil nutrient measuring methods and apparatus for the development of precise agriculture.

    快速测定土壤养分含量方法检测仪器研制,已成为精确农业发展必需

    danci.911cha.com

  • Soil nutrient, salinity study is increasingly a hotspot in agriculture and environment domain of all countries because employing too much fertilizer series environment problems caused by.

    过量施肥造成一系列环境问题使得土壤养分盐分研究世界范围日益成为农业环境领域研究热点

    dict.cnki.net

  • The variation of soil nutrient and microbe on different erosion position of hilly Slope in the latosolic red soil region were studied.

    对华南赤红丘陵坡地不同侵蚀部位土壤养分微生物特性变异性进行对比分析

    lib.cqvip.com

  • Fertilization is one of the efficient measures to increase the soil nutrient content, improve the soil capacity to supply nutrient.

    合理和适量施肥提高河沙泥红黄泥土壤养分含量增强土壤能力有效措施

    dict.cnki.net

  • A layer loss in soil profile is a sign of soil nutrient loss.

    土壤剖面a流失土壤养分流失标志

    dict.cnki.net

  • It is considered that active soil organic matter had influence on soil nutrient, plant growth, environment, atmosphere and human kind.

    土壤有机物质的活性成分土壤养分植物生长乃至环境大气人类影响的有效物质。

    dict.cnki.net

  • The problem of soil nutrient condition and applying fertilizer in agriculture production have been discussed in this article.

    本文论述新疆土壤养分状况农业生产施肥存在问题

    dict.cnki.net

  • The tropical mountain rain forest located at mid-high altitude with slight anthropogenic disturbance had the highest soil nutrient-holding capacity and integrated soil quality index.

    位于中、高海拔人为干扰最轻的山地雨林原始林具有最好土壤养分保持能力土壤综合质量指数最高

    dict.cnki.net

  • CULTURE is the memory of life hidden in the blood, the soil nutrient for ART to burgeon.

    文化潜藏血液中的生命记忆艺术发芽土壤养分

    www.weixinrensheng.com

  • The designing principle, construction and realizing method of a portable and high accurate soil nutrient photoelectric colorimeter are described.

    介绍了一种便携式高精度土壤养分光电比色仪结构、工作原理实现方法

    dict.cnki.net

  • The soil nutrient losses were connected with soil texture, water content and fertilizer quantity, and lands utilize way.

    土壤养分流失程度土壤质地、雨前含水量施肥量以及土地利用方式有关。

    dict.cnki.net

  • Through soil fertility determination, soil nutrient distribution characteristics under different land use were studied in Daijiagou small watershed of Changshou district of Chongqing.

    通过土壤养分测定研究了重庆市长寿代家小流域不同土地利用方式下坡面土壤养分分布特征

    www.dictall.com

  • Based on outdoor investigation and indoor analysis for the soil nutrient situation in Ansai experimental area, the results show, the fertility of soil is very poor.

    黄土丘陵沟壑区安塞例,通过野外调查室内分析,对小流域土壤养分状况进行研究

    www.dictall.com

  • Man made accelerated erosion is a key reason for soil nutrient loss after forestlands were disturbed by human being.

    林地人为开垦破坏加速侵蚀导致坡面土壤养分流失根本原因

    www.dictall.com

  • According as the systematic approach for soil nutrient status, the nutrients limiting factors of the young oil-tea soil in Yichun of Jiangxi were studied.

    利用土壤养分状况系统研究法,对江西宜春油茶幼林土壤进行养分限制因子研究

    www.dictall.com

  • The results showed that biological organic-inorganic compound fertilizer expressed quite important effects on yield, quality of tomato and soil nutrient.

    结果表明生物有机无机复混肥番茄产量品质土壤养分重要作用

    dict.cnki.net

  • The balance analysis results of soil nutrient indicated that the fertilization methods of cropland management in Chengdu Plain were firming nitrogen, controlling phosphorus and increasing potassium.

    土壤养分平衡分析结果表明成都平原耕地土壤管理宜采取“施肥方法严格控制各种点源非点源污染物进入土壤

    dict.cnki.net

  • In early days of converting lands into forests, the changes of soil nutrient under the patterns was unstable.

    退耕还林初期模式土壤养分变化处于不稳定状态。

    dict.cnki.net

  • By using soil nutrient state system study method, balancing soil fertilization have been adopted after the soil nutrient limitation factors had been made clear.

    采用土壤养分状况系统研究法。摸清土壤养分限制因子前提下,平衡施肥

    dict.cnki.net

  • It shows that the yield improvement is mainly due to the soil nutrient amelioration (especially nitrogen nutrient) and the interaction of mutual supplement of N and P nutrient.

    指出杨树刺槐混交林生产力提高主要是因为林地土壤养分特别是N素养分)极大改善树种间NP养分互补

    dict.cnki.net

  • Based on the balance equation of soil nutrient and the law of the minimum limiting factor, some general principles are proposed for making fertilizer application tactics.

    土壤养分平衡方程最小限制因子定律,讨论了因时因地制定施肥策略必要性。

    dict.cnki.net

  • Through the classic year's analysis, it is proved that the soil nutrient situation be the main factor for effecting on soil productivity of hillside fields.

    通过典型样本分析证明土壤养分状况影响坡耕地生产能力主要因素

    dict.cnki.net

  • According to the principle of maximal subordination degree soil nutrient conditions of 7 types of forests at Huoditang forest region were evaluated by means of establishing subordination function.

    本文通过建立隶属函数按最大隶属原则,对火地林区7主要不同林分土壤营养状况进行了评价

    dict.cnki.net

  • According to the classification criterion of soil nutrient, the soil fertility in this area is at a middle level.

    按照土壤养分含量分级标准土壤肥力中等水平

    dict.cnki.net

  • The environment factors, such as gradient, aspect and position of the slope, had effect to some extent on soil nutrient.

    坡度向、环境因子土壤养分一定影响

    www.plantnutrifert.org

  • The fine-roots of Betula platyphylla forest have quick decomposition rate, so it plays an important role in soil nutrient return.

    白桦林分解较快土壤养分归还方面发挥重要作用

    zuci.chaziwang.com

  • The increase of amount of fertilizer application was the main reason for the result of soil nutrient increase from the planting structure changes.

    施肥量提高种植结构变化导致土壤养分提高主要原因

    dict.cnki.net

  • The increase of amount of fertilizer application was the main reason for the result of soil nutrient increase from the planting structure changes.

    施肥量提高种植结构变化导致土壤养分提高主要原因

    dict.cnki.net

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