1) Mn application period
缺锰土壤
1.
A field experiment was conducted to study the effect of Mn application periods on Mn deficient symptoms, grain yield and Mn uptake of different wheat genotypes.
结果表明 ,在水旱轮作缺锰土壤上 ,施用锰肥可以显著改善小麦缺锰症状提高小麦籽粒产量和吸锰量 ,其效果以全生育期施锰处理优于单个生育期施锰 (分蘖期、拔节期和孕穗期 ) ;不同基因型小麦比较 ,无论缺锰症状或小麦产量对锰肥的反应 ,均以 80 8最耐缺锰 ,85 4 1次之 ,绵阳 2 6和32 95对缺锰最为敏感。
2) Mn Zn lack soil
锰锌俱缺土壤
1.
Method of the field and pot experiment and chemical analysiss were adopted to study the effects of Mn Zn fertilizer application on winter wheat in Mn Zn lack soil,and the changes of Mn Zn content in soil and plant.
采用田间、盆栽试验及室内化验分析相结合的方法 ,探讨锰锌俱缺土壤上 ,施锰锌肥的作用效果及施肥后土壤中锰锌变化和小麦对锰锌的吸收利用反应。
4) potassium deficient soil
缺钾土壤
5) silicon-deficient soil
缺硅土壤
6) deficiency P soil
缺磷土壤
1.
The percentage of increasing yield was in the order: severe P deficiency soil> moderate deficiency P soil; early rice>late rice; phosphorus fertilizer with rice straw > phosphorus fertilizer alone.
在不同缺磷土壤上进行定位试验,研究磷肥效应和土壤磷素的供应状况。
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参考词条