Wheat is the most widely distributed and cultivated crop in the world, and also has the highest output and trade volume. Its nutritional value is high. Food security of human depends on the wheat production to a great extent.

High homogeneity of cultivated crop varieties can lower transaction and communication costs among fanners on the use of irrigation water. ( 3) A water user group with high social capital tends not to form a sub-group.

而村民组种植农作物的高同质性，将减少农户间协调水分配的交易成本。（3）具有高社会资本的村民组倾向不形成农户联合小组。

Wild relatives of cultivated crop are important germplasm for improving yield, quality, resistance to biotic and abiotic stresses of modern cultivars.

野生亲缘物种是作物遗传改良的重要种质资源，对提高作物产量、改善品质、提高对生物和非生物逆境的抗性具有重要作用。

Application of Super Water Absorbent Resin to Cultivated Crop in Droughty Conditions

保水剂在作物抗旱栽培中的应用

It is widely cultivated as a pasture and hay crop.

它作为牧草和干草而被广泛种植。

Stout erect perennial grass of northern parts of Old World having silky flowering spikes; widely cultivated for pasture and hay; naturalized in North America.

旧大陆北部多年生粗壮直立草本植物，绢状花穗；广泛培植，用作牧草和干草；已在北美落户。

European perennial grass widely cultivated for pasture and hay and as a lawn grass.

欧洲多年生草，广泛栽培用作牧草、干草和草坪草。

Goose faeces and inorganic fertilizer ( nitrogen, phosphorous and potassium) were applied to Medicago sativa and Lolium multiflorum cultivated pasture swards to compare their effects on the yield and nutrient components of two forage types.

在苜蓿Medicago Sativa和黑麦草Lolium multiflorum人工草地上分别施用鹅粪、化肥进行比较试验，探讨不同肥料种类对牧草产量及其营养成分的影响。

The yield and crude protein content of cultivated pasture can be improved by applying goose faeces, improving the pasture's nutritive value.

在人工草地上施用鹅粪能显著提高牧草产量和粗蛋白含量，改善其营养。

With the increasing of years, soil organic nutrients and the three enzymatic activity are highest in permanent grassland and lowest in cultivated pasture.

随着草地利用时间的增长，土壤有机质等养分和三种酶活性含量增高，活性增强。

Difference to the two grassland types above, Desert Grassland converted to cultivated pasture would increase SOC and TN contents significantly.

与以上两种草地类型开垦结果不同，西段荒漠草原开垦种植人工草地（沙打旺、苜蓿），则表现为可以明显提高土壤有机碳、氮含量。

Study on Urease Activity of Main Cultivated Soil in Guizhou

贵州主要耕作土壤的脲酶活性研究

The Result of Fixed Position Test of Irrigated-cultivated Soil

灌漠土定位试验结果

Evaluation on Available Trace Elements in Cultivated Soil in Liaoning Province

辽宁省耕地有效态微量元素含量评价

Investigation of Available Silicon Content in Cultivated Soil in Jiangxi Province

江西省耕地土壤有效硅含量调查研究

Some Problems in Current Cultivated Soil Pollution Survey and Assessment in China

关于耕地土壤污染调查与评价的若干问题探讨

Characteristics and sustainable utilization of Vegetable Cultivated Soil Resources in China

我国菜园土壤的资源特点与持续利用

Image analysis of development of cultivated soil structures under non-tillage system

免耕制度下耕作土壤结构演化的数字图像分析

With productivity of cultivated grassland maintained at a high level on river land, soil water in the soil layer below 260 cm, which is usually maintained at 5.0% yearly, could not be renewed after rainy and fallow seasons.

川地人工草地在维持高生产力的情况下，260cm以下土壤层出现雨季期间及休闲期后均不能够得到水分补偿而稳定在低湿层。

The current situation of cultivated grassland and the profit analysis of replacing cropland with pasture in Tongliao district

通辽地区已垦草原现状与退耕还草效果分析

Studies on the Energy and Material Use Efficiency of Cultivated Grassland and Farmland Ecosystem in the Hilly Regions of Southern China

南方丘陵地区人工草地和旱作农田能量物质利用率