常見例句雙語例句This paper studied the effects of no fertilization on soil nutrients and crop yield in meadow cinnamon soil in Tangyin County.以褐土類潮褐土亞類潮罏土土屬黑底潮砂泥土土種爲研究對象,探討長期定點不施肥對土壤養(yǎng)分含量及作物産量的影響。The level of available silicon is higher in Black soil and Cinnamon soil, but lower in Albic soil, Meadow soil and Brown earth.大部分黑土和褐土屬於較高水平,而白漿土、草甸土和棕壤偏低。The results shows that contracted taproot and developed lateral root of alfalfa adapted soil moisture changes on eluviated cinnamon soil which is great depth and drains well.結(jié)果表明:在土層深厚、排水良好的淋溶褐土上,紫花苜蓿主根收縮,側(cè)根發(fā)達,適應(yīng)土壤上下層水分的變化。 返回 cinnamon soil