期刊
COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS
卷 44, 期 17, 页码 2571-2586出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/00103624.2013.803568
关键词
Ammonical nitrogen; carbofuran; inorganic fertilizers; nitrate nitrogen; phosphorus; potassium; soil; vermicompost
The effects of lower field rate (LFR), field rate (FR), and higher field rate (HFR) applications of carbofuran on ammonium (NH4)-nitrogen (N), nitrate (NO3)-N, available phosphorus (P), and available potassium (K) contents in natural soils and those amended with inorganic fertilizers and vermicompost on the growth of tomato plants were studied. The NH4-N, NO3-N, available P, and available K contents increased up to FR but the most significant increase in was observed at LFR of carbofuran application. At HFR there was a significant reduction in nutrient availability. With passage of time all these parameters increase up to 30 days; thereafter, a decrease was observed up to the end of the experiment in both unamended and amended soils. The greater plant growth was observed at LFR of carbofuran application and at HFR the plants exhibited phytotoxicity in the form of marginal leaf scorching in both systems. The morphological growth parameters of tomato plants were positively correlated with nutrients availability.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据