旱地耕作法指一种在干旱或半干旱土地上不使用灌溉方法生产作物的耕作制度。常常采用一年休耕、一年种植的方法。
Dry farming; dryland farming a system of producing crops in arid and semiarid regions without the use of irrigation. Frequently alternate years of fallow and cropping are practiced.
前茬作物、播种方式、耕作制度和气候条件等都通过影响玉米的播期或灰飞虱的发生数量来间接影响当地或当年病害发生的轻重。
The others such as previous crops, sowing way for maize, cropping system and the climate were indirect factors, which affected the sowing date or amount of planthopper.
导致这一演替的主要原因为作物布局、耕作制度、栽培方法、管理技术的变化和农药化肥的过量施用。
The main reason for this succession might be the changes in crops distribution, cultivation type, planting method, management technique and over-use of chemical pesticides and fertilizers.
旱地耕作法：指一种在干旱或半干旱土地上不使用灌溉方法生产作物的耕作制度。
Dry farming; dryland farming: a system of producing crops in arid and semiarid regions without the use of irrigation.
认为热量是限制作物分布和耕作制度的决定因素，在同样热量条件下，降水又成为决定因素。
It is thought that heat is the determinant which affects the distribution of crops and farming systems. Under the same condition of heat, precipitation will become the decisive fac...
土壤耕作制度是农作制度中不可缺少的一环，其是与一个地区的作物种植制度紧密相关的。
The soil cultivation system is an essential link of the farm crops system, which has close relation with crops planter system.
土壤耕作制度是农作制度中不可缺少的一环，其是与一个地区的作物种植制度紧密相关的。
The soil cultivation system is an essential link of the farm crops system, which has close relation with crops planter system.
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