A top dressing of fertilizer should be added to improve growth as mint impoverishes the soil quickly.

应施顶肥以促进生长，因为薄荷会使土壤迅速变得贫瘠。

《柯林斯英汉双解大词典》

Soda residues can favorable improve acidity soil, and have obvious increase in production of lichee, kidney bean, tomato and sweet potato.

碱渣对酸性土壤有良好的改良作用，对荔枝、芸豆、番茄、番薯产量有明显提高。

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Crop rotation is a simple and effective technique used in organic agriculture to reduce the need for pesticides and improve soil fertility.

轮作是应用于有机农业上的一种简单而有效的技术，能减少农药的使用和提高土壤肥力。

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If possible, in the year before you plant potatoes, plant a cover crop to improve the soil and the potato production.

VOA: special.2009.03.10

To improve clay soils, mix in garden waste or other organic matter and turn the soil deeply in the fall.

VOA: special.2009.03.10

Corn harvests remain small. The researchers say farming methods in Sub-Saharan Africa need to improve or else poor quality soil will increase rural poverty.

VOA: special.2009.07.28

The adoption of herbicide-resistant crops could help improve water and soil quality by reducing the need for tilling.

FORBES: Magazine Article

The scheme is an agri-environment scheme, which provides funding for farmers to manage their land in a way designed to benefit biodiversity and landscape features and improve the quality of water and soil.

BBC: Environment and Sustainability Committee

Zoning laws would be rewritten so that, over time, large parcels of abandoned land would be converted into landscaped open space networks that would capture and clean storm water, improve air quality, and clean contaminated soil as well as provide new recreational opportunities like bike paths and hiking trails and create habitats for local wildlife and migrating birds.

FORBES: Detroit's Innovative Survival Plan Is A Model For The World - But Will It Work?