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Effects of different nitrogen content on growth and development and yield in high -yield dry land rice

HE Zhong-cheng, Yang Zong-xin, Zhao Yong-hou, Yuying Wang, Yan Shi

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Abstract

The effects of different nitrogen on growth and development and yield in high-yield dry land rice had been studied,the results showed: with the increasing of nitrogen application,tiller No.,panicle No.,plant height,panicle length,the rate of root and shoot,the dry matter of root and shoot and the filling rate increased,but the panicle-setting rate of middle nitrogen is the best one in 4 treatment.From all of these,we know that increasing the nitrogen application will get high yield in dry land rice.

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What this paper is about

The effects of different nitrogen on growth and development and yield in high-yield dry land rice had been studied,the results showed: with the increasing of nitrogen application,tiller No.,panicle No.,plant height,panicle length,the rate of root and shoot,the dry matter of root and shoot and the filling rate increased,but the panicle-setting rate of middle nitrogen is the best one in 4 treatment.From all of these,we know that increasing the nitrogen application will get high yield in dry land rice.

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Available abstract

The effects of different nitrogen on growth and development and yield in high-yield dry land rice had been studied,the results showed: with the increasing of nitrogen application,tiller No.,panicle No.,plant height,panicle length,the rate of root and shoot,the dry matter of root and shoot and the filling rate increased,but the panicle-setting rate of middle nitrogen is the best one in 4 treatment.From all of these,we know that increasing the nitrogen application will get high yield in dry land rice.

Key concepts: Panicle, Tiller (botany), Nitrogen, Dry matter, Yield (engineering), Agronomy, Dry land, Shoot

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