权威例句
Analysis on the Changes of Ploughland of YU TIAN CountyProgress in tillage and pre-sowing ploughland preparation[Crop rotation sowing as a reserve of ploughland productivity increase]The Changing of Ploughland and Analysis of Problem of DUO LUN County on Agriculture-Animal Husbandry Ecotone[Comparative efficiency of different techniques of ploughland intensive use]Changing in ammonifiers of virgin land and black-earth ploughland to Central CiscaucasiaInput-output budgets for nitrogen in a typical purple soil sloping ploughland in Three Gorges areasInput-output budget of nitrogen under typical planting pattern in a purple soil sloping ploughland in the Three Gorges areasIntroducing of purslane (Portulaca oleracea) as weed plant in family of cultivated plants on ploughland of Bosnia and Herzegovina.Introducing of purslane (Portulaca oleracea) as weed plant in family of cultivated plants on ploughland of Bosnia and Herzegovina.
