1) silicon-deficient soil
缺硅土壤
2) 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。
3) potassium deficient soil
缺钾土壤
4) 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。
5) silicic soil
硅质土壤
6) soil moisture deficiency
土壤缺水量
1.
This drought model is introduced with precipitation,evaporation as input and with soil moisture deficiency Ps as output,which can express drought clearly.
本模型以降水、蒸发为输入，以土壤缺水量Ｐｓ为输出，Ｐｓ可较清楚地表述干旱。
补充资料：缺缺
1.疏薄诈伪貌。
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参考词条