Apart from years where bad weather led to crop shortages, it has been a net exporter, shipping surplus output to Asia and Africa.

The new legislation expands programs that protect farmers from bad weather or low crop prices.

这项新的立法扩展保护农民不受坏天气和低粮价影响的项目。

The degree of water deficit can reach 45%~ 50% of field capacity, which has no bad effect on crop yield and can increase crop water use efficiency obviously.

陕西长武和甘肃民勤小麦和棉花的试验结果表明，其水分亏缺程度可达到田间持水量的45%～50%，而对作物的产量没有不利影响，但可明显提高作物水分利用效率。

Export taxes on cash crops have also been used to encourage the production of domestic food crops in order to attain self-sufficiency.

还使用经济作物征收出口税以鼓励国内粮食作物的生产，从而达到自给自足。

The investment plans are, nonetheless, of a different nature from those of countries such as South Korea and Saudi Arabia, which are investing in farmland in order to export back the crops to feed their own population.

然而，这一投资计划的性质不同于韩国和沙特阿拉伯等国的举措。这些国家投资于农田，是为了将农产品再出口至本国市场，满足本国人口的需要。

It was more profitable to export the crops.

出口农作物更为有利可图。

The formation of planting industry of African export cash crops

非洲出口经济作物种植业的形成

Export crops include coffee, palm products, tea, rubber, and cotton.

出口产品包括咖啡、棕榈、茶叶、橡胶和棉花。

Brill says it goes back to the 1980s and 90s, when the United States, the World Bank and the International Monetary Fund encouraged developing countries to import grain produced cheaply in the U.S. and elsewhere and to focus their farming on export crops.

布里尔说，这要从1980和1990年代说起。美国、世界银行和国际货币基金组织当时都鼓励发展中国家进口美国和其他国家的廉价小麦，本国农业只要集中耕种出口作物就行。

The undisturbed soil of the saline-alkaline grassland had the characteristics of hard soil, poor permeability, weak preserving water capacity, and the inhibition for the growth of the grass and the crop, so the produced potentiality of the crop did not adequately play.

盐碱化草原的原状土土壤坚硬而密实，土壤通透性差，涵养水分能力弱，对牧草和作物的生长发育具有抑制作用，作物的产出潜能也不能得到充分发挥。

The relation between fading cropland and returning forest ( grass) and crop production in north of Shaanxi

陕北退耕还林还草与粮食生产的思考

Grass and crop rotation could increase the quantity of soil microorganism, intensify its activation, improve soil enzyme activity, enhance biological activity of soil and establish better soil environment condition.

草田轮作可以增加土壤微生物的数量，增强微生物的总体活性，也可以增加土壤的酶活性，进而提高土壤的生物活性，改善土壤的环境条件。

Nutritive evaluation of common grass forage crop for dairy cattle in Heilongjiang

黑龙江省主要栽培的禾本科牧草对奶牛的营养价值评价

The Ecological Effect of Grass and Crop Rotation on Ridge Chernozem

岗平地黑土草田轮作的生态效应

The effect of grass-crop rotation on crop yield increase

草田轮作对粮食作物的增产效应

Sugarcane is an important sugar and energy crop. In sugarcane production, nitrogen fertilizer and water are two most important factors.

甘蔗是重要的糖料作物和能源作物，在甘蔗栽培中，氮肥和水分是两个最重要的因子。

Though China has comparative advantages in the sugar crop ( sugarcane and beet) production, but it is confronted with enormous impact of importing sugar at the same time.

中国虽然在糖料（甘蔗和甜菜）作物生产上具有比较优势，但同时却面临进口食糖的巨大冲击。

Because of the enterprise and sugar crop farms are separately management, bargaining cost is high, the market risk is great, special assets under-capitalize.

对制糖企业与糖料农户人为地分隔开来进行多头管理，交易成本高、市场风险大、专用性资产投资不足。

Local agricultural producers report that standing water could destroy up to half of next year's sugar crop.

地方农业生产者的报告，站在水可以破坏到明年的食糖产量的一半。

Local agricultural producers report that standing water could half of next year's sugar crop.

当地农业生产者报道称，不断上升的水位将会摧毁明年超过一半的糖类作物。

Sugarcane is the most important sugar crop worldwide, breeding of new varieties is essential for the development of sugar industry.

甘蔗是世界主要糖料作物，甘蔗新品种选育对蔗糖业发展具有重要意义。