1.
After having occupied previously the high fertility soils, sugarcane is now moving toward low fertility soils.
以前甘蔗占用高肥力土壤，现已转向低肥力土壤。
2.
Effects of Nitrogen Application on Dry Matter Accumulation,Nitrogen Uptake,Yield,and Quality of Flue-cured Tobacco in Low Fertilility Soil
低肥力土壤施氮对烤烟干物质积累、氮素吸收及产质量的影响
3.
Since these soils are poor soils, ample inputs of fertilizers are needed, beside conservation measures, the use of organic manures and possibly liming of acidic soils.
由于这些土壤肥力低，所以除保护土壤，施用有机肥料，降低酸度外，增施化肥是必需的。
4.
As regards fertility status, almost all soils are deficient in N and about 90% are low to medium in P.
至于肥力状况，几乎所有土壤缺氮，约90%土壤低磷或中磷。
5.
Soil fertility in tea plantations in different slope positions and elevation regions
低山丘陵区不同坡位茶园土壤肥力特征研究
6.
Among them, t he human activity destroyed the layers and structures of soil, and made soil ero sion become severe.
酸度高、肥力低、土质较好是园内土壤的一个共同特征。
7.
Tropical Soil Biology and Fertility
热带土壤生物学和肥力网(土肥网)
8.
Organic fertilizers seemed very effective on improving soil fertility as well as soil properties.
有机肥似乎对改善土壤肥力和土壤性状很有效。
9.
Spatial Variability of the Main Fertility Fcators in Hilly Tea Plantation Soils with Different Sampling Scales;
不同尺度下低山茶园土壤主要肥力因子空间变异性特征研究
10.
Studies on Nitrogen Absorption, Distribution and Utilization in Flue-cured Tobacco under Higher and Lower Fertility Conditions
高低土壤肥力条件下烤烟对氮素吸收、分配和利用的研究
11.
Study on Soil Biological Fertility of Different Fertilization Systems;
不同施肥制度土壤生物肥力特征研究
12.
Analysis of Soil Fertility and Fertility Betterment Measures for Paddy Field in Kaiyuan City
开原市水田土壤肥力分析及培肥措施
13.
Farmers enrich the soil with organic and inorganic manures.
农民用有机肥料和无机肥料来提高土壤的肥力。
14.
STUDY ON THE ESSENCE OF SOIL FERTILITY--Ⅳ. PADDY SOIL
土壤肥力实质的研究——Ⅳ.水稻土
15.
a fertile land [ soil ]
肥沃的土地[土壤]
16.
Effects of Soil Organic Matter on Soil Fertility and Anti-erodibility in Karst Area;
岩溶区土壤有机质对土壤肥力和抗蚀性的影响
17.
The Influence of Soil Erosion and Soil Fertility on Planting Coptis Chinensis;
黄连种植对土壤侵蚀及土壤肥力的影响研究
18.
Effect of different farming methods on soil microbial biomass and soil fertility
耕作方式对土壤微生物和土壤肥力的影响