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The nitrogen content of leaves in rice plants at various planting densities in the field and under high and low levels of nitrogen in pots were comparatively examined, and thereby the effect of the ni...
The objective of this study was to evaluate grain yield and yield components of popcorn with different nitrogen rates and plant densities. Field studies were conducted in 1995 and 1996 at Kazova Plain...
In China, a cultivation system that uses low plant densities and the retention of vegetative branches is currently referred to as the cost-saving cotton production system, which contrasts with the con...

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