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- NPK fertilizer experiment 氮磷钾肥料试验
- The experimental results showed that base NPK fertilizer has double effect to increase resources and to expand sink. 结果表明,关中棉区抗虫棉施K及K与np配施具有增源扩库的双重效应,促进早熟,增产显著。
- The analysis to pollution criterion of NPK fertilizer plant shows that the current standards cannot cover all the limitation of pollutant discharges. 对NPK复合肥工厂污染物排放标准的分析表明:现行的有关标准不能涵盖其污染物排放的限制。
- The wheat fertilizer recommendation technology system for the agriculture production on Loess Plateau is advanced by the fertilizer experiment data. 利用肥料定位试验资料,提出了适合黄土高原农业生产的冬小麦施肥推荐技术体系。
- Fan J, Hao M D, Dang T H.Distribution and accumulation of nitrate in soil profile of long-term located fertilizer experiment[J].Soil and Envir., 2000, 9(1): 23-26. [6]樊军;郝明德;党廷辉.;旱地长期定位施肥对土壤剖面硝态氮分布与累积的影响[J]
- The results show that no significant difference was observed in composition of weed communities between plots receiving balanced NPK fertilization of organic manure or chemical fertilizer. 结果表明:N、P、K平衡施用时,无论是施用有机肥,或是施用无机化肥,田间杂草的种群组成相似;
- In addition, the structure of ammoniatorgranulator and the operation condition for MAP, DAP and NPK fertilizers production are explained. 同时阐述了转鼓氨化造粒机的构造以及用于生产MAP、DAP和NPK复合肥的条件。
- It would appear (Table 2.) that the 1995 predicted needs could be met immediately by applying the known technology of balanced NPK fertilization. 从表2看来,应用已知的平衡施肥(NPK)技术现在就可达到1995年的需求量。
- Crop yield was remarkably increased under NP or NPK fertilization,but N surplus still remain at a lower level even though N uptake improved. 硝态氮累积量高且大部分集中在根区外土壤,硝态氮淋失风险大。
- Balanced NPK fertilization offers a well known and relatively easy technology for increasing crop production rapidly in China. However, this is not the only technology available. 氮磷钾平衡施肥为中国尽快增加粮食产量提供了一项人所共识、相对易行的技术。当然,这不是唯一可行的技术。
- long-term stationary fertilizer experiment 长期肥料定位试验
- It is important, however, to focus more attention upon balanced NPK fertilization for China because this offers one of the quickest and most economical ways of increasing yields. 更加重视氮磷钾平衡施肥对中国至关重要,因为这可为增产提供一条迅速而经济的捷径。
- Results showed that long term application of NPK fertilizers or manure could increase soil biomass-N, especially the effect of manure on biomass-N was obvious. 结果表明,长期施用有机肥或化肥均能增加土壤生物量氮数量,尤以有机肥的作用明显。
- "3414 "partly fertilizer experiment “3414”部分实施肥效试验
- "3414" fertilizer experiment design “3414”试验
- Discussion on pollution criterion of NPK fertilizer plant 对复合肥厂污染物排放标准的探讨
- Factors impacting the granulation of sulfur-based NPK fertilizer 影响硫基NPK成粒的因素
- In order to accelerate close canopy of new plantation Phyllostachys nuda forest,fertilization experiment on new growing bamboo was carried. 为了促进新造林的郁闭,对新造石竹林进行施肥研究试验。
- The stalks will rot and make good fertilizer. 杆儿腐烂后会成为很好的肥料。
- Market prospect and production technology of nitro-based NPK fertilizer 硝基NPK复合肥的生产技术与市场前景