1) economic and reasonable fertilization
经济合理施肥
1.
By analyzing the present situation of agricultural production in Huang-Huai-Hai area(Beijing,Tianjin cities,and Shandong,Hebei and Henan provinces),production and consumption status,consumption problems of fertilizer in above-mentioned three provinces and two cities are discussed,which will make some suggestions for the regulation on market and the economic and reasonable fertilization.
通过对黄淮海地区北京、天津、山东、河北、河南三省两市农业生产现状分析,从区域化肥消费与生产角度探讨三省两市化肥生产、消费现状及存在问题,以期为黄淮海地区市场供需调控和经济合理施肥提供参考。
2) economical fertilization
经济施肥
1.
A related mathematical model was established and the most appropriate plan for economical fertilization was posed.
采用三因素二次通用旋转组合回归设计,定量研究了无土育苗条件下矮牵牛苗期需肥规律,建立了肥料效应函数模型,并提出最佳经济施肥方案。
4) economic application amount
经济合理施用量
1.
0kg ha~(-1) and economic application amount of nitrogen was 106.
0kg hm-2,氮肥经济合理施用量为N106。
5) proper fertilization
合理施肥
1.
Improper fertilization or fertilizer abuse will result in nutrients imbalance in soil for plants growth, affect the yield and quality, the more important is that, the fertilizers remained in soil after crop uptake will be runoff, leaching by irrigation or rain water, accumulatively pollute ground and underground waters, the stability of .
文中论述了合理施肥对提高作物产量、改善品质以及净化与保护生态环境、实现农业可持续性发展的重要性与不可替代性,而施肥不当或滥用肥料不仅对土壤、植物养分平衡失调,作物产量与品质构成威胁,而且更重要的是作物吸收后所残留的肥料随着灌水或降水而产生径流、淋溶或侧渗,其累积效应对土壤和地表水、地下水易于造成污染,从而影响土壤环境与农业生态系统的稳定性、可持续性发展。
6) Fertilization
[英][,fə:tilai'zeiʃən] [美][,fɝtḷə'zeʃən]
合理施肥
1.
Moving dynamics of soil nitrate and its fertilization controlling in summer maize field;
北方褐土区土壤硝态氮运移动态及合理施肥调控
补充资料:合理施肥
分子式:
CAS号:
性质:根据作物的营养特性(不同作物,同种作物在不同的生育时期均需不同养分),土壤特性(土壤肥力水平、保肥性、供肥性、酸碱性),肥料性质(水溶性、酸碱性、养分种类和含量、剂型等),以及地理、气候条件(光照、温度、降水等)科学地确定施用肥料的种类、数量、时期以及施用方法。合理施肥能全面地达到增加作物产量、改善农产品品质、保持和提高土壤肥力、避免土壤污染和获取较大经济效益的施肥目的。
CAS号:
性质:根据作物的营养特性(不同作物,同种作物在不同的生育时期均需不同养分),土壤特性(土壤肥力水平、保肥性、供肥性、酸碱性),肥料性质(水溶性、酸碱性、养分种类和含量、剂型等),以及地理、气候条件(光照、温度、降水等)科学地确定施用肥料的种类、数量、时期以及施用方法。合理施肥能全面地达到增加作物产量、改善农产品品质、保持和提高土壤肥力、避免土壤污染和获取较大经济效益的施肥目的。
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参考词条