Effects of climate and price on soybean production: Empirical analysis based on panel data of 116 prefecture-level Chinese cities

Abstract

This paper uses panel data from 116 prefecture-level cities in China from 2003 to 2019 to study the impact of price and climate factors on soybean planting area and yield per unit area in China. We adopt the panel instrumental variable method to control the endogeneity of the price in the regression and allow possible spatial autocorrelation errors. According to the research results, price is the primary factor affecting soybean production. For every 1% increase in soybean prices, the soybean planting area increases by 1.650%, and the per unit yield decreases by 0.898%. As for fertilizer prices, for every 1% increase in fertilizer prices, the soybean planting area will decrease by 2.616%, and the yield per unit area will increase by 0.819%. At the same time, climate change will also significantly affect soybean production. For every 1 cm increase in precipitation in April and May, the soybean planting area will increase by 0.233% and decrease by 0.172%, respectively. The precipitation increase in June and July can also significantly promote soybean yield. The results demonstrate that because soybean is a shade-loving crop, the increase of growing degree days will hinder the progress of soybean yield.

Advantages of early-maturity soybean varieties as a farmer adaptation effort to climate change in Grobogan Regency

“…Based on [4] "Soybean production in Indonesia can only be sufficient 30-35%, while 65-70% is imported". Soybean production in Indonesia is getting lower, the reasons includes: soybean farming is less attractive for farmers because it cannot compete with rice and maize [5,6], output prices are relatively low, so the benefit value is still less than other commodities [7], and vulnerability to the impacts of climate change. Soybeans are commodities that are sensitive to drought and flood.…”

“…That condition requires soybean farmers to have proper adaptation and mitigation strategies. Climate change will decrease soybean production, especially due to rising temperatures in future climates, changing rainfall patterns, and unpredictable droughts/floods [8,9,10,11,6]. One of the ways for farmers to adapt to the impacts of climate change is by introducing new high-yielding, early maturing varieties, and drought-tolerant varieties [12].…”

Optimizing Soybean Crop Performance through the Integrated Application of Organic and Chemical Fertilizers: A Study on Alkaline Soil in Afghanistan

“…The widespread cultivation of soybean is driven by its importance in agribusiness and the food industry and by its contribution to enhancing food security and soil fertility [3,4]. This growth trend is observed across diverse climate conditions in various regions worldwide [5]. Given the context of population growth and the challenges of food insecurity, especially in undeveloped countries, enhancing soybean productivity emerges as a viable strategy to attain food security, promote agricultural sustainability, and conserve the environment [6][7][8].…”