Polyculture is the dominant farming system in many areas of the tropics, where the degree of mechanization and the use of agricultural chemicals remain low.

混養(yǎng)是許多熱帶地區(qū)主要的耕作制度亚洲欧美黑人性暴力猛交群，在這些地方国产美女一级a作爱片香蕉，機械化程度低日韩无网站，并且很少使用農(nóng)藥白白在线播放免费视频。

They extend the primitive farming methods of slash and burn, planting opium poppy, corn and valleys…They only know the poppy brings money to them but don't know the diamorphine made from the opium poppy has done harm to the whole world.

他們延續(xù)著祖上留傳的刀耕火種耕作方式国产一级A片爽视频，播種著罌粟在线视频538、玉米和谷子。他們只知道大煙可以換成錢亚洲综合专区，卻不知道用其煉制的海洛因在全世界造成了多大的危害日韩一区二区三区无码乱码。

The company mainly produces a variety of machines with disk plow, disc harrow, agricultural disc, tillage spade, hoe teeth, and other farming machinery and accessories.

公司主要生產(chǎn)各種規(guī)格的機引圓盤犁、圓盤耙、農(nóng)用圓盤激情偷乱人伦视频在线观看免费、松土鏟日本色色色色色电影网站、鋤齒等耕作機械及配件。

On base of investigating and analyzing,the species,occuring ruleand disserve characteristics of alfalfa field weeds in Beijing area were discussed.And put forward weed control methods of alfalfa seedlings were put forward.

本文在調(diào)研黄色视频在线观看视频免费网站、分析北京地區(qū)大田苜蓿地雜草種類免费无码黄片视频、發(fā)生規(guī)律及危害特性基礎(chǔ)上，采用土壤耕作国产一级a爱大片免费视频、刈割和化學(xué)藥劑相結(jié)合的措施久久国产超碰女女AV，對苜蓿幼苗地和大田雜草進行綜合防治，取得良好效果欧美老妇午夜福利视频。

Base facilities greatly augment, new build steel tube big canopy 200 mus, establishment of installation sprinkling irrigation 500 mus, added apply to the small-sized agricultural machinery and implement such as machine of the rotary tillage machine that plows inside vegetable big canopy, ditcher, mist, built the vegetable workshop that pack and detect room acquired pesticide incomplete

基地設(shè)施大大擴充婷婷亚洲图片AV在线动漫，新搭建鋼管大棚200畝，安裝噴灌設(shè)施500畝国产精品自拍欧美一区，增添了適用于在蔬菜大棚內(nèi)耕作的旋耕機99这里都是精品、開溝機、彌霧機等小型農(nóng)機具性色一区，新建了蔬菜包裝車間和檢測室并添置了農(nóng)藥殘

Masanobu Fukuoka is one of the revolutionary natural farmers, who uses the "no-till","do-nothing" method of farming.

政福岡是一個革命性的自然農(nóng)民jizz有基视频色欲，誰使用"免耕"，"無為"的方法耕作最新免费在线黄色网址。

Lalou-Bize and Domaine Leroy, for example, take a different approach using biodynamic farming methods.

lalou--石林的Leroy和教育領(lǐng)域1024免费手机视频，例如，以不同的方式利用生物耕作方式www免费黄色网。

The change of soil quality in the water~irrigated farm, dry farm and vegetable plots is mainly depended on the mans management and input level. And in the good tillage and high input farmlands the soil fertility quality is obviously increased.

水澆地美女搞逼黄色视频免费的、旱地和菜地土壤肥力質(zhì)培的變化主要取決于人為管理和投入水平，耕作精細国产亚洲欧美视频、投入較高的土地www.hp黄片免费A片，其土壤肥力質(zhì)量有明顯的提高。

Results There were 8 rodent species in Yuqing county. RatLus norvegicus was the dominant species among domestic rodents, with 83.97 percent; Apodemus agrariuswas the dominant species in rice field and dry farm land, with 95.16 percent.

結(jié)果： 余慶縣家柄鼠和農(nóng)田鼠種有8種亚洲欧美日韩本在线视频，褐家鼠為家棲鼠優(yōu)勢種久久综合视频永久，占總捕鼠數(shù)的83.97％；黑線姬鼠為稻田色偷偷色噜噜狠狠网站老女肥、旱地耕作區(qū)優(yōu)勢種国产精品4huWWW，占總捕鼠數(shù)的95.16％免费A片黄片。

This revolution was primarily a dry farming operation with springs and shallow hand-dug wells supplying domestic needs.

這次革命主要是旱田耕作而以泉水和人工開挖淺井提供生活用水人妻偷拍有码中文。