辣椒的矿物质肥、氮肥、磷肥优化施肥方案及经济效益分析 - xzbu.com 中国论文网 关键词：辣椒；矿物质肥；产量；优化施肥 [gap=1592]Key words Pepper； Mineral fertilizer； Yield； Optimized fertilization
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...72 kg/hm2、35.75 kg/hm2和44.20 kg/hm2、65.92 kg/hm2,其它各处理的0-90 cm土壤硝态氮含量均低于农民习惯施肥;与优化施肥(Nopt)相比,缓控释肥处理的0-90 cm土壤硝态氮含量并没有降低;缓控释肥处理之间相比,土壤硝态氮含量差别不明显。
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结果表明，优化施肥能明显降低稻-麦轮作系统中的氨挥发损失，提高稻麦对氮素的利用率。
The results showed that ammonia volatilization losing could be obviously reduced in rice-wheat rotation system with optimization method, and nitrogen efficiency was also improved.
要使冷季型混合草坪产生良好的景观效果，首先要对草种进行优化组合，其次浇水、施肥、修剪、打药等要讲科学。
To attain good landscaping of cold season admixed lawn, firstly the grass seeds must be fit together optimized; watering, pruning and pesticide spraying must be managed scientifically.
以小麦生物学特性和土壤植物营养学为依据，在小麦生育模拟基础上，建立了小麦生育优化动态模式和最佳经济效益施肥模型。
Based on simulation of wheat growth phase, a computer simulation model for wheat growth optimization and fertilizer application with optimum economic performance was set up.
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