n nutrition 氮素营养
Human n Nutrition 人类营养 ; 人类营养学 ; 营养学
p and n nutrition 磷氮营养
efficiency of n nutrition n素营养效率
nutrition n 营养
The results showed that N fertilizer could improve the nutrition quality of wheat, increase paste strength and flexibility, but decrease paste ductibility.
试验结果表明：施用氮素化肥能明显改良小麦品质，提高小麦营养品质，增强面团强度和筋力，降低面团的延展性；
Results from sterile experiment for rice organic N nutrition showed that amino acid could be directly taken up by plants.
用此无菌培养试验法进行的水稻有机氮营养试验证明，水稻能直接吸收根际营养液中的氨基酸。
The effect of different N fertilizer forms on plant iron nutrition and the role of iron in plant N metabolism were studied under nutrient condition.
水培条件下研究了不同形态氮素对植物铁素营养的影响，以及铁对植物氮素代谢的影响。
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