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Single application of total nitrogen fertilizer with controlled-release coated urea on non-tilled rice culture (LP-plot) was compared with a conventional application method using easily released nitro...
In Hokuriku area, the field converted from heavy clay paddy is often wet, but most of soybean is cultivated in such fields. Soybean differentiates flower buds in the rainy season, which is from late ...
The absorption and translocation of urea applied to the foliage of satsuma mandarin at the sprouting stage was monitored for two years using the 15N-tracer method in potted and field-planted trees. Ur...
In this research, the utilization of urea by New Zealand White, California and Chinchilla breed rabbits were examined using high protein level (20 % crude protein), low protein level (16% crude protei...
It seems that urea fertilizers have advantages over ammonium nitrate fertilizers in terms of leaching losses when they are applied in February. On the other hand, the losses from the urea fertilizers ...

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