Sri Lanka has a long history of planting rubber, the quality is accepted by all the world. In 1978 the area of rubber plantation reaches 0.202 million ha.

斯里蘭卡的有著悠久的種膠歷史国产看片无码精品看片，是最早種植天然橡膠的東南亞國家之一，其橡膠質(zhì)量上乘中文字幕永久在线12页，為世界所公認一级伦奷视频97人人模。

Actually became a world-renowned bankers, with a considerable amount of forests in Southeast Asia, rubber plantation and the banks.

弟弟呢？居然成了一位享譽世界的銀行家视频在线看一区二区，擁有東南亞相當分量的山林超频碰97观看公开视频、橡膠園和銀行。

The fine-root biomass of rubber plantation was positively correlated with the density of P. corethrurus.

相關(guān)分析表明影音先锋欧美精品，橡膠林的細根生物量與無圍海蚓的密度呈顯著正相關(guān)人人操人人莫人人vA。

It has been observed that in Malaysian virgin forest the presence of several tree storeys, as well as dense undergrowth, results in a larger interception of precipitation than in a cultivated rubber plantation.

它已發(fā)現(xiàn)在馬來西亞的原始森林中存在的幾個樹層之間的關(guān)系，以及密集欧美快一级，結(jié)果在一個更大的截留降水比在一個有教養(yǎng)的橡膠種植園国产高清自拍一区。

It exists in almost every rubber plantation country and causes serious damage to natural rubber production.

目前仍無有效措施防治死皮發(fā)生，而橡膠樹死皮發(fā)生分子機制是制定有效防治措施的前提中文字幕黄色福利视频。

The date of earthworm population showed that there was highest quantity of earthworm in rubber plantation 182.22 ind.

三林地蚯蚓的分布狀況顯示91精品啪，橡膠林因外來種種群數(shù)量較大而具有最高的個體數(shù)182.22 ind。

While rubber plantation was lowest 0.19 g ind.

1国产图片大全综合视频，橡膠林最低0.19 g ind一级做a爰片久久毛片A片高潮。

This paper has studied the impacts of rubber plantation on the fragmentation of tropical forests and its substitution for natural forests.

研究表明：西雙版納橡膠種植既有明顯的地域分布和地帶分布差異特征，也有很高的時空動態(tài)度308AV.COM；橡膠種植對土壤侵蝕作用不明顯亚洲色AⅤ性色在线观看，但是使周邊環(huán)境破碎度加大，熱帶森林異質(zhì)性自然景觀向單一人工斑塊化景觀發(fā)展成人黄色在线播放；西雙版納橡膠種植獲得了巨大的社會效益和經(jīng)濟效益很污的毛片视频网址一区，也對熱帶森林的穩(wěn)定性和多樣性造成威脅。

The rubber plantation extends as far as the river.

com 橡膠種植園一直延伸到河邊九九视频这里都是精品免费线看线看。

On the way passing plantation of North Sumatera as Rubber, Palm Oil, Cocoa.

一路上看見種植的北蘇門答臘橡膠日韩毛片基地在线高清观看，棕櫚油，可可一级做a爰片性色刺激。