“paddy soil”造句,怎麼用paddy soil造句
The contents and profile distributions of total Mn and available Mn of the dryland soil and paddy soil derived from the identical parent material were remarkably different.
Among them the paddy soil developed from the weathering product of limestone has much higher nutrient contents than the paddy soils developed from river alluvium and Quaternary Red Clay does.
It is necessary to study the adherence between farming paper mulch and paddy soil in order to ensure the mulch quality.
By using advantageous natural resource in autumn, potatoes are planted in paddy soils and covered by rice haulms without plowing up the soil after the harvest of rice.
On the basis of a field investigation to a reclaimed mining area in northeast Guangxi, the assessment on the heavy metal pollution state of the paddy soil has been con - ducted.
Effect and economical benefit of controlled-release nitrogen fertilizer application on late rice in different basic fertility of paddy soils was studied.
The seawater flowing backward can result in serious salinity of paddy soil.
This paper describes in detail the design of an indoor paddy soil bin suitable both for paddy-wheel test and for floating boat test.
Cold spring paddy soils are the low yielded soils with puddling soil layer formed under strongly reducing condition induced by persistent submergence.
When the density of transplant is 14.3 holes per centare, applying fertilizing of super wide spacing planting will have advantages of increasing rice yield on cold water paddy soil.
Into the soil in the paddy soil, saline soil, soil and tidal marsh soil four major categories. 102.44 million mu of paddy soil, to plant rice, wheat, and other three;
The present study has investigated biological effects of arsenic on clay pan yellow cinnamon soil, red soils (with high fertility and low fertility) and paddy soil.
It seems that the amorphous iron oxide may be used as an indirect index for the evaluation of high yield paddy soils with good structure.
There was a very rapid decline in paddy soil phosphorus and potassium with no fertilization contrast to the decline under fertilization conditions.
Potassium fertilizer should be applied to red-brown-purple soil especially paddy soil to supplement and maintain the K level in soil.
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