It was stated that breeding for zinc dense crop varieties with agronomic advantages was just as important for plant nutrition as for human nutrition.
评述了富锌植物的农业优势及改善人类锌营养的潜力。
Chemical weed killers or natural treatments like corn gluten can suppress weed growth. Dense planting of a crop can also act as a natural control.
化学除草剂或类似玉米麸等自然手段可以抑制杂草的生长。作物密集种植也能作为一种自然控制手段。
He says a dense, competitive crop that quickly shades the soil will help suppress many weeds.
密集种植也是控制杂草的一种自然方法。
He says a dense, competitive crop that quickly shades the soil will help suppress many weeds.
他说，经过密植的具有竞争力的作物会很快遮蔽土地，这将有助于抑制杂草生长。
Dense planting of a crop can also act as a natural control.
对作物进行密植也是控制杂草生长的自然方法。
Global warming and the "atmospheric brown cloud" — a dense smog that permanently hangs over much of India from burning diesel, wood, and dung — negatively impacts crop yields already.
全球变暖以及“大气棕色云”已经对印度的农业产量产生了负面影响。所谓“大气棕色云”，是指常年漂浮在印度大部分地区上空的一层密集的烟雾，它主要是由于燃烧柴油、木材和牛粪所生的。
Global warming and the "atmospheric brown cloud" — a dense smog that permanently hangs over much of India from burning diesel, wood, and dung — negatively impacts crop yields already.
全球变暖以及“大气棕色云”已经对印度的农业产量产生了负面影响。所谓“大气棕色云”，是指常年漂浮在印度大部分地区上空的一层密集的烟雾，它主要是由于燃烧柴油、木材和牛粪所生的。
应用推荐