摘要
以自然资源"水冬瓜果油"为包膜材料,生产包膜肥料。采用盆栽试验,共设7个肥料处理,对包膜尿素与普通尿素混施效应进行研究。包膜尿素养分的测定采用"质量法"进行。结果表明:包膜尿素在1d的养分溶出率为12.2%,比普通尿素养分溶出率低67.9%。施包膜尿素能增加甘蔗叶绿素含量。处理5比CK甘蔗单茎质量增加量为0.31g,比单施包膜尿素单茎质量增加量为0.21g,比单施普通尿素单茎质量增加量为0.25g。处理5比CK株高增加量为50.5cm,比单施普通尿素株高增加量为27.8cm。处理5(包膜尿素70%+普通尿素30%)混施效果最好。
The oil of Idesia polycarpa var.vestita of the nature resources extracted from the fruit of tree used as controlled material for producing the Coated urea fertilizer was studied.The soil incubation experiment was carried out and the fertilizer treatment was seven.The coupling Coated urea and urea was studied.The 'weight method' was adopted to measure the coated urea nutrient.the result showed the preliminary solubility rate of nitrogen coated urea was 12.2% and in comparison with applying urea,the preliminary solubility rate of nitrogen decreased 67.9%.The effect of Coated urea was to increase SPAD in the sugarcane.The Stalk weight in treatment 5 was more 0.31g than that of CK and was more 0.21 g than that of Coated urea of one way and was 0.25 g more than that of urea of one way.Plant height in treatment 5 was 50.5 cm more than that of CK and was 27.8 cm more than that of urea of one way.The treatment 5(Coated urea 70%+ urea 30%) was the best treatment.
出处
《土壤与作物》
CSCD
2012年第3期143-147,共5页
Soils and Crops
基金
云南省科技厅基金项目 "包膜肥料与水耦合对甘蔗产量的影响"(2011FB032)
关键词
包膜尿素
混合配施
甘蔗单茎质量
Coated urea
mixed fertilizer
stalk weight of sugarcane
