we have studied the change law of soil moisture and evapotranspiration in irrigated farmland of corn which is the principal crop of dry farmland in liaoning province.
以辽宁省主要旱地作物玉米为研究对象,研究了其灌溉田土壤水分变化及其耗水规律。
consequently, the control of soil and water loss on sloping dry farmland is the bey to the sustainable agriculture development in sichuan province.
因此,坡土的水土流失治理是我省持续农业发展的重要基础。
the senescence metabolism of wheat flag leaves were investigated with three culture varieties(zhenghan no. 1, yumai no. 2 and no. 41)under dry farmland conditions.
对旱地条件下冬小麦品种郑旱1号、豫麦2号和豫麦41号的旗叶衰老代谢进行了比较研究。
from 2002 to 2004, we sampled soil and vegetable from dry farmland and 1 year greenhouse watermelon soil, leakage and spot runoff experiments at vegetable soil open in the air in shanghai suburbs.
the utility model provides a dry farmland transplanting and sowing dual function machine which not only can transplant dry crop shoot but also can sow dry crop.
本实用新型提供了对旱田作物既能进行秧苗移栽,又能进行播种的旱田移栽播种两用机。
aimed at this condition, explored new type mechanized protective tillage system to prevent dry farmland in yunnan hot area from desert, in order to reach agricultural sustainable development.