1.
Changes of Soil Organic Carbon and Total Nitrogen of Croplands in China and the Net Carbon Effiency of Rice and Wheat Crops Determined by Nitrogen;
中国农田土壤碳氮变化及氮素对稻麦作物固碳效益的影响
2.
Simulating Net Primary Production of Agricultureal Vegetation--Rice and Wheat;
农业植被净初级生产力模型研究——以稻麦作物为例
3.
grass whose starchy grains are used as food: wheat; rice; rye; oats; maize; buckwheat; millet.
淀粉谷粒用作食物的草；小麦；水稻；黑麦；燕麦；玉米；荞麦；小米。
4.
Agriculture: rice, corn, root crops, citrus; dairy products.
农业:稻,小麦,块根作物,柑橘,乳制品.
5.
Effects of Different Rice Cultivationmodes on Crop Yield, Nitrogen Use Efficiency and Soil Fertility in Rice-Barely Rotation System;
种稻方式对稻麦轮作系统中作物产量、氮肥利用和土壤肥力的影响
6.
The Speciation and Bioavailability Study of Heavy Metals in Paddy Soils under the Rice-wheat Cultivation Rotation;
稻麦轮作下水稻土重金属形态特征及其生物有效性研究
7.
Model: The gain crops are : soybean , wheat , maize, rice and potatoes and so on .
答：粮食作物有：大豆、小麦、玉米、水稻、马铃薯等。
8.
RE-UTILIZATION OF RICE AND WHEAT STRAW RESOURCES;
稻草、麦秆等农作物秸秆资源再利用研究
9.
Effect of Nitrogen Application on Accumulation and Transportation of Matter and Nitrogen in Above-ground Organs of Wheat in Rice-wheat Rotation Area
施氮对稻麦轮作区小麦地上器官干物质及氮素累积运转的影响
10.
In Pakistan rice is the second most important crop after wheat,
在巴基斯坦，水稻是继小麦之后的第二种最重要的作物
11.
The Effect of Different Clipping Treatments on the Dry Matter Yield and in vitro DM Digestibility of Lolium multiflorum Lam. in Italian Ryegrass-Rice Rotation
不同刈割处理对稻草轮作黑麦草干物质产量和体外消化量的影响
12.
Italian ryegrass-rice" rotation system Ⅶ Decomposition of ryegrass residue and the accompanying nutrient release in paddy fields
“黑麦草—水稻”草田轮作系统研究 Ⅶ黑麦草残留物的田间分解及营养元素的释放动态
13.
Effects of Tillage and Cultivation on Wheat-Rice Productivity in a Wheat-Rice Double Cropping System;
稻麦两熟制不同耕作栽培方式对稻麦生产力的影响
14.
Effect of Wheat Residue Retention on Grain Yield and Main Quality Characters of Rice in Rice-wheat Cropping System
稻麦轮作区麦秸还田对水稻产量及主要品质性状的影响
15.
Effects of Earthworms on Soil Nitrogen and Phosphorus in Upland Rice-Wheat Rotation Agroecosystem;
蚯蚓活动对稻麦轮作土壤氮、磷的影响
16.
A Study on Growth and Nitrogen Nutrition of Barley-rice Cultivated in Different Water Management Systems in Long Term Field Experiment;
不同水分管理条件下长期稻麦轮作系统中作物生长与氮素营养特征研究
17.
Effects of Fertilizer N Application Rate on Yields and Use Efficiencies in Rice-Wheat Rotation System in Tai Lake Region
太湖地区稻麦轮作系统下施氮量对作物产量及氮肥利用率影响的研究
18.
The best-known grain crops are wheat, oats and maize.
人们最熟知的粮食作物是小麦、小麦、燕麦和麦子。