摘要
近20多年来,我国化肥用量持续高速增长,粮食产量却始终增加缓慢。而且,农田盲目施肥造成的资源浪费和水质、空气、土壤的污染问题已引起社会的普遍关注。缓/控释肥是一种根据作物的需要缓慢释放养分的新型肥料,它为解决传统化肥带来的一系列问题提出了新的思路和途径。我国缓/控释的研究还处初级发展阶段,基础研究滞后,目前还没有真正的控释肥料推广应用于水稻等大田作物上。本文介绍了缓/控释肥的定义,阐述了我国缓/控释肥的研究与应用现状;综述了水稻专用缓/控释肥的作用机制及其对水稻生长及产量的影响;简要介绍了新型缓/控释肥-种子包衣肥;指出了缓/控释肥的发展趋势。
In recent 20 years,the dosage of fertilizers in our country grows rapidly.Instead,grain output increases slowly.And the waste of resources and the water,air,soil pollution caused by blind fertilization,has caused widespread concern of society.Slowly/controlled releasing fertilizer is a new kind of fertilizer,slow releasing according to the need of crop nutrient.It provides new ideas and ways to solve the problems of traditional fertilizer.The research of slowly/controlled releasing fertilizer in China is still at primary stage of development,the basic re-search lags behind,and there is no real controlled release fertilizer applied on rice or other field crops,such as rice.This article introduced slowly/controlled releasing fertilizer's definition and its research progress and application status in our country;expounded rice slowly/controlled releasing fertilizer's mechanism and its impact on the growth and yield of rice;briefly introduced the new slowly/controlled releasing fertilizer-seed coating fertilizer;and pointed our the development trend of slowly/controlled releasing fertilizer.
出处
《化学工程师》
CAS
2013年第11期30-34,共5页
Chemical Engineer
基金
农业部公益性行业(农业)科研专项经费资助(201303103)
湖南省科技厅计划项目(S2013F1023)
关键词
肥料
缓/控释肥
种子包衣肥
水稻
研究现状
发展趋势
fertilizer
slowly/controlled release fertilizer
seed coated fertilizer
rice
present status
development trend
