fallow land造句
例句与造句
- The content of soil aggregation ( > 2 . 0mm ) in 0 - 20cm profile is higher than fallow land ' s and carag
而土壤容重值仍然较大，稳定入渗速率ki 。也远远小于撂荒地及柠条地。 - The department promotes the return of fallow land not earmarked for development to cultivation by helping farmers arrange land tenancy , improving soil conditions , and providing marketing facilities and farm road access
渔护署协助农民安排租地、改良土壤，以及提供批销设施及农场通道，从而令未拨作发展用途的休耕地可以恢复耕作。 - Results showed that available k and ( no3 ) ^ ( - 1 ) content were higher in surface runoff in slope cropland and intercrop land between crop and forestry than those in fallow land , intercrop land between forest and grass and afforestation land
研究结果表明： ( 1 )坡耕地及农林间作下地表径流中的有效钾和硝态氮含量高于撂荒荒坡、林草间作和造林林地。 - Refers to farmland which is plowed constantly for growing crops , including cultivated land , newly cultivated land in the current year , farmland left without cultivation for less than three years and fallow land in the current year , rotation land , rotation land of grass and crops , farmland with some fruit trees , mulberry trees and other trees and cultivated seashore land , lake land , and etc
指年初可以用来种植农作物、经常进行耕锄的田地，除包括熟地、当年新开荒地、连续撂荒未满三年的耕地和当年的休闲地（轮歇地） ，还包括以种植农作物为主并附带种植桑树、茶树、果树和其他林木的土地，以及沿海、沿湖地区已围垦利用的“海涂” 、 “湖田”等面积。 - In light of current using situation and drawing on the experience of many scholars researched methods and viewpoints , this thesis made com land , fallow land , orchard , grass land as experimental field in black soil region jlau , which carried out experiment by applying different amounts of n and p fertilization in corn field . by means of collecting the samples of rainfall runoff , erosion silt and surface layer soil before and after rainfall for one year nature precipitation in field , we study the effect of surface runoff on n and p nutrient and fertility degeneration . the results showed : ( l ) there are lots of factors which affect soil erosion and losses of n and p , in which rainfall and rainfall intensity were more important , while rainfall intensity is the most important meteorological phenomena factor
针对当前黑土利用现状，本文借鉴众多学者的研究方法和观点，在吉林农大黑土区选择利用方式不同的玉米地、休闲地、果园、草地，在玉米区进行了不同数量的施肥，通过野外试验，采集一年自然降雨产流及泥沙样品，同时采集降雨前后的耕层土壤样品，研究了黑土区地表径流对氮磷养分特征及肥力退化的影响，结果表明：土壤侵蚀和氮磷的流失受诸多因素的影响，降雨量、降雨强度是重要因子，而降雨强度是影响农田地表径流养分流失的最重要的气象因子，特别是暴雨，暴雨径流中氮磷浓度较平时高得多；随作物生长，覆盖度逐渐增加以及不同利用方式下表现的覆盖度差异，氮磷流失都表现为显著的差异。 - It's difficult to find fallow land in a sentence. 用fallow land造句挺难的
- This paper systematkally researched the characteristics of growth and physiology of sophora viciifolia hance ( a kind of natural shrub ) and its effects on the content of soil water , soil nutrieftt and soil physical property . the paper applied some methods and theory of plant ecology , plant physiology , physics of soil and soil chemistry etc . three different age s . viciifolia hance in the different plot were selected , caraganar land and fallow land as a comparison
本文以陕北黄土区安塞纸坊沟流域内在植被演替中占有重要地位的天然灌木种( 6 、 14 、 17龄)狼牙刺( sopharaviciifoliahance )为对象，以15龄柠条( caraganar )和撂荒地为对照，系统研究了狼牙刺的生长特征、生理特性，及其生长对土壤水分、土壤养分、土壤物理性状的影响。 - Cultivated area ( area under cultivation ) ： refers to farmland which is plowed constantly for growing crops , including cultivated land , newly cultivated land in the current year , farmland left without cultivation for less th an three years and fallow land in the current year , rotation land , rotation land of grass and crops , farmland with some fruit trees , mulberry trees and other trees and cultivated seashore land , lake land , and etc
耕地面积：指年初可以用来种植农作物、经常进行耕锄的田地，除包括熟地、当年新开荒地、连续撂荒未满三年的耕地和当年的休闲地（轮歇地）外，还包括以种植农作物为主并附带种植桑树、茶树、果树和其他林木的土地，以及沿海、沿湖地区已围垦利用的“海涂” 、 “湖田”等面积。
