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水分是花生获得高产的重要条件,但自然降雨与花生不同生育阶段需水常发生矛盾,表现为年际间不同生育阶段经常有旱象出现,对花生生长和荚果发育影响很大。七十年代以来国外对花生需水规律和灌溉技术已有较深入研究。国内对花生需水规律和灌溉等方面也开展了研究,取得了一定的成果。但对花生不同生育期临界水分、水分敏感期以及浅土层条件下土壤水分亏缺对植株生育和产量影响等方面至今未见报道。为此我们于1979—1984年借助于全控池栽法在不同生育阶段人为造成不同干旱条件,研究其对花生植株生长和荚果发育的影响,并初步摸索出不同生育阶段临界水分、水分敏感期以及影响主要性状的一些土壤水分指标。为花生生产经济合理用水提供科学依据。
Moisture is an important condition for peanut to obtain high yield. However, there is often contradiction between natural rainfall and water requirement at different growth stages of peanut. The results show that there are often drought phenomena at different growth stages during inter-annual period, which have a great impact on peanut growth and pod development. Since the seventies foreign demand for peanut water and irrigation techniques have been more in-depth study. Domestic research on peanut water requirement and irrigation has also been carried out and some achievements have been made. However, no reports have been reported yet on the effects of critical moisture and water sensitivity during different growth stages on soil peanut growth and yield under shallow soil conditions. Therefore, in 1979-1984, we studied the effects of different drought conditions on peanut plant growth and pod development with the help of full-controlled pond cultivation at different stages of growth, and initially explored the critical moisture and moisture sensitive stages at different stages of growth And some soil moisture indicators that affect the main traits. Provide a scientific basis for peanut economical and reasonable water use.